diff --git a/mysql-test/include/binlog_start_pos.inc b/mysql-test/include/binlog_start_pos.inc
index a187e18b3a4cb..942a124d639aa 100644
--- a/mysql-test/include/binlog_start_pos.inc
+++ b/mysql-test/include/binlog_start_pos.inc
@@ -10,19 +10,19 @@
 #
 #   Format_description_log_event length = 
 #                      19 /* event common header */ +
-#                      58 /* misc stuff in the Format description header */ +
+#                      57 /* misc stuff in the Format description header */ +
 #                      number of events +
 #                      1 /* Checksum algorithm */ +
 #                      4 /* CRC32 length */
 # 
-# With current number of events = 164,
+# With current number of events = 171,
 #
-#   binlog_start_pos = 4 + 19 + 57 + 163 + 1 + 4 = 249.
+#   binlog_start_pos = 4 + 19 + 57 + 171 + 1 + 4 = 256.
 #
 ##############################################################################
 
-let $binlog_start_pos=249;
+let $binlog_start_pos=256;
 --disable_query_log
-SET @binlog_start_pos=249;
+SET @binlog_start_pos=256;
 --enable_query_log
 
diff --git a/mysql-test/include/show_binlog_events2.inc b/mysql-test/include/show_binlog_events2.inc
index eefefe4bfbe09..84c62cced6641 100644
--- a/mysql-test/include/show_binlog_events2.inc
+++ b/mysql-test/include/show_binlog_events2.inc
@@ -4,7 +4,7 @@ if ($binlog_start)
 }
 if (!$binlog_start)
 {
-  --let $_binlog_start=249
+  --let $_binlog_start=256
 }
 if ($binlog_file)
 {
diff --git a/mysql-test/r/flush2.result b/mysql-test/r/flush2.result
index ff5d8755f0169..a66b0d5c68884 100644
--- a/mysql-test/r/flush2.result
+++ b/mysql-test/r/flush2.result
@@ -4,6 +4,8 @@ show variables like 'log_bin%';
 Variable_name	Value
 log_bin	OFF
 log_bin_basename	
+log_bin_compress	OFF
+log_bin_compress_min_len	256
 log_bin_index	
 log_bin_trust_function_creators	ON
 show variables like 'relay_log%';
@@ -20,6 +22,8 @@ show variables like 'log_bin%';
 Variable_name	Value
 log_bin	OFF
 log_bin_basename	
+log_bin_compress	OFF
+log_bin_compress_min_len	256
 log_bin_index	
 log_bin_trust_function_creators	ON
 show variables like 'relay_log%';
diff --git a/mysql-test/r/mysqlbinlog_row_compressed.result b/mysql-test/r/mysqlbinlog_row_compressed.result
new file mode 100644
index 0000000000000..c5d8c2b163b72
--- /dev/null
+++ b/mysql-test/r/mysqlbinlog_row_compressed.result
@@ -0,0 +1,413 @@
+SET GLOBAL log_bin_compress=on;
+SET GLOBAL log_bin_compress_min_len=10;
+CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1));
+CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1));
+INSERT INTO t1 VALUES (10, 1, 2, 3, 4, 5, 6, 7, "");
+INSERT INTO t1 VALUES (11, 1, 2, 3, 4, 5, 6, 7, NULL);
+INSERT INTO t1 VALUES (12, 1, 2, 3, NULL, 5, 6, 7, "A");
+INSERT INTO t1 VALUES (13, 1, 2, 3, 0, 5, 6, 7, "A");
+INSERT INTO t2 SELECT * FROM t1;
+UPDATE t2 SET f4=5 WHERE f4>0 or f4 is NULL;
+DELETE FROM t1;
+DELETE FROM t2;
+FLUSH BINARY LOGS;
+/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/;
+/*!40019 SET @@session.max_insert_delayed_threads=0*/;
+/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
+DELIMITER /*!*/;
+# at 4
+#<date> server id 1  end_log_pos 256 CRC32 XXX 	Start: xxx
+ROLLBACK/*!*/;
+# at 256
+#<date> server id 1  end_log_pos 285 CRC32 XXX 	Gtid list []
+# at 285
+#<date> server id 1  end_log_pos 329 CRC32 XXX 	Binlog checkpoint master-bin.000001
+# at 329
+#<date> server id 1  end_log_pos 371 CRC32 XXX 	GTID 0-1-1 ddl
+/*!100101 SET @@session.skip_parallel_replication=0*//*!*/;
+/*!100001 SET @@session.gtid_domain_id=0*//*!*/;
+/*!100001 SET @@session.server_id=1*//*!*/;
+/*!100001 SET @@session.gtid_seq_no=1*//*!*/;
+# at 371
+#<date> server id 1  end_log_pos 533 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+use `test`/*!*/;
+SET TIMESTAMP=X/*!*/;
+SET @@session.pseudo_thread_id=4/*!*/;
+SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1, @@session.check_constraint_checks=1/*!*/;
+SET @@session.sql_mode=1342177280/*!*/;
+SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
+/*!\C latin1 *//*!*/;
+SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
+SET @@session.lc_time_names=0/*!*/;
+SET @@session.collation_database=DEFAULT/*!*/;
+CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1))
+/*!*/;
+# at 533
+#<date> server id 1  end_log_pos 575 CRC32 XXX 	GTID 0-1-2 ddl
+/*!100001 SET @@session.gtid_seq_no=2*//*!*/;
+# at 575
+#<date> server id 1  end_log_pos 727 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1))
+/*!*/;
+# at 727
+#<date> server id 1  end_log_pos 769 CRC32 XXX 	GTID 0-1-3
+/*!100001 SET @@session.gtid_seq_no=3*//*!*/;
+BEGIN
+/*!*/;
+# at 769
+#<date> server id 1  end_log_pos 825 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 825
+#<date> server id 1  end_log_pos 893 CRC32 XXX 	Write_compressed_rows: table id 30 flags: STMT_END_F
+### INSERT INTO `test`.`t1`
+### SET
+###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 893
+#<date> server id 1  end_log_pos 966 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 966
+#<date> server id 1  end_log_pos 1008 CRC32 XXX 	GTID 0-1-4
+/*!100001 SET @@session.gtid_seq_no=4*//*!*/;
+BEGIN
+/*!*/;
+# at 1008
+#<date> server id 1  end_log_pos 1064 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 1064
+#<date> server id 1  end_log_pos 1131 CRC32 XXX 	Write_compressed_rows: table id 30 flags: STMT_END_F
+### INSERT INTO `test`.`t1`
+### SET
+###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
+# at 1131
+#<date> server id 1  end_log_pos 1204 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1204
+#<date> server id 1  end_log_pos 1246 CRC32 XXX 	GTID 0-1-5
+/*!100001 SET @@session.gtid_seq_no=5*//*!*/;
+BEGIN
+/*!*/;
+# at 1246
+#<date> server id 1  end_log_pos 1302 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 1302
+#<date> server id 1  end_log_pos 1368 CRC32 XXX 	Write_compressed_rows: table id 30 flags: STMT_END_F
+### INSERT INTO `test`.`t1`
+### SET
+###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=NULL /* MEDIUMINT meta=0 nullable=1 is_null=1 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 1368
+#<date> server id 1  end_log_pos 1441 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1441
+#<date> server id 1  end_log_pos 1483 CRC32 XXX 	GTID 0-1-6
+/*!100001 SET @@session.gtid_seq_no=6*//*!*/;
+BEGIN
+/*!*/;
+# at 1483
+#<date> server id 1  end_log_pos 1539 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 1539
+#<date> server id 1  end_log_pos 1606 CRC32 XXX 	Write_compressed_rows: table id 30 flags: STMT_END_F
+### INSERT INTO `test`.`t1`
+### SET
+###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=0 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 1606
+#<date> server id 1  end_log_pos 1679 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1679
+#<date> server id 1  end_log_pos 1721 CRC32 XXX 	GTID 0-1-7
+/*!100001 SET @@session.gtid_seq_no=7*//*!*/;
+BEGIN
+/*!*/;
+# at 1721
+#<date> server id 1  end_log_pos 1777 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
+# at 1777
+#<date> server id 1  end_log_pos 1868 CRC32 XXX 	Write_compressed_rows: table id 31 flags: STMT_END_F
+### INSERT INTO `test`.`t2`
+### SET
+###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### INSERT INTO `test`.`t2`
+### SET
+###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
+### INSERT INTO `test`.`t2`
+### SET
+###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=NULL /* INT meta=0 nullable=1 is_null=1 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### INSERT INTO `test`.`t2`
+### SET
+###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=0 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 1868
+#<date> server id 1  end_log_pos 1941 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1941
+#<date> server id 1  end_log_pos 1983 CRC32 XXX 	GTID 0-1-8
+/*!100001 SET @@session.gtid_seq_no=8*//*!*/;
+BEGIN
+/*!*/;
+# at 1983
+#<date> server id 1  end_log_pos 2039 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
+# at 2039
+#<date> server id 1  end_log_pos 2138 CRC32 XXX 	Update_compressed_rows: table id 31 flags: STMT_END_F
+### UPDATE `test`.`t2`
+### WHERE
+###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### SET
+###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### UPDATE `test`.`t2`
+### WHERE
+###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
+### SET
+###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
+### UPDATE `test`.`t2`
+### WHERE
+###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=NULL /* INT meta=0 nullable=1 is_null=1 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### SET
+###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 2138
+#<date> server id 1  end_log_pos 2211 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 2211
+#<date> server id 1  end_log_pos 2253 CRC32 XXX 	GTID 0-1-9
+/*!100001 SET @@session.gtid_seq_no=9*//*!*/;
+BEGIN
+/*!*/;
+# at 2253
+#<date> server id 1  end_log_pos 2309 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 2309
+#<date> server id 1  end_log_pos 2401 CRC32 XXX 	Delete_compressed_rows: table id 30 flags: STMT_END_F
+### DELETE FROM `test`.`t1`
+### WHERE
+###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### DELETE FROM `test`.`t1`
+### WHERE
+###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=4 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
+### DELETE FROM `test`.`t1`
+### WHERE
+###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=NULL /* MEDIUMINT meta=0 nullable=1 is_null=1 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### DELETE FROM `test`.`t1`
+### WHERE
+###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* TINYINT meta=0 nullable=1 is_null=0 */
+###   @5=0 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* LONGINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 2401
+#<date> server id 1  end_log_pos 2474 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 2474
+#<date> server id 1  end_log_pos 2516 CRC32 XXX 	GTID 0-1-10
+/*!100001 SET @@session.gtid_seq_no=10*//*!*/;
+BEGIN
+/*!*/;
+# at 2516
+#<date> server id 1  end_log_pos 2572 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
+# at 2572
+#<date> server id 1  end_log_pos 2657 CRC32 XXX 	Delete_compressed_rows: table id 31 flags: STMT_END_F
+### DELETE FROM `test`.`t2`
+### WHERE
+###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### DELETE FROM `test`.`t2`
+### WHERE
+###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
+### DELETE FROM `test`.`t2`
+### WHERE
+###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+### DELETE FROM `test`.`t2`
+### WHERE
+###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
+###   @2=1 /* INT meta=0 nullable=1 is_null=0 */
+###   @3=2 /* INT meta=0 nullable=1 is_null=0 */
+###   @4=3 /* INT meta=0 nullable=1 is_null=0 */
+###   @5=0 /* INT meta=0 nullable=1 is_null=0 */
+###   @6=5 /* MEDIUMINT meta=0 nullable=1 is_null=0 */
+###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
+###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
+###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
+# at 2657
+#<date> server id 1  end_log_pos 2730 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 2730
+#<date> server id 1  end_log_pos 2778 CRC32 XXX 	Rotate to master-bin.000002  pos: 4
+DELIMITER ;
+# End of log file
+ROLLBACK /* added by mysqlbinlog */;
+/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
+/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;
+DROP TABLE t1,t2;
+SET GLOBAL log_bin_compress=off;
+SET GLOBAL log_bin_compress_min_len=256;
diff --git a/mysql-test/r/mysqlbinlog_row_minimal.result b/mysql-test/r/mysqlbinlog_row_minimal.result
index 2737d61eca4ab..2fb721d41033f 100644
--- a/mysql-test/r/mysqlbinlog_row_minimal.result
+++ b/mysql-test/r/mysqlbinlog_row_minimal.result
@@ -14,20 +14,20 @@ FLUSH BINARY LOGS;
 /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
 DELIMITER /*!*/;
 # at 4
-#<date> server id 1  end_log_pos 249 CRC32 XXX 	Start: xxx
+#<date> server id 1  end_log_pos 256 CRC32 XXX 	Start: xxx
 ROLLBACK/*!*/;
-# at 249
-#<date> server id 1  end_log_pos 278 CRC32 XXX 	Gtid list []
-# at 278
-#<date> server id 1  end_log_pos 322 CRC32 XXX 	Binlog checkpoint master-bin.000001
-# at 322
-#<date> server id 1  end_log_pos 364 CRC32 XXX 	GTID 0-1-1 ddl
+# at 256
+#<date> server id 1  end_log_pos 285 CRC32 XXX 	Gtid list []
+# at 285
+#<date> server id 1  end_log_pos 329 CRC32 XXX 	Binlog checkpoint master-bin.000001
+# at 329
+#<date> server id 1  end_log_pos 371 CRC32 XXX 	GTID 0-1-1 ddl
 /*!100101 SET @@session.skip_parallel_replication=0*//*!*/;
 /*!100001 SET @@session.gtid_domain_id=0*//*!*/;
 /*!100001 SET @@session.server_id=1*//*!*/;
 /*!100001 SET @@session.gtid_seq_no=1*//*!*/;
-# at 364
-#<date> server id 1  end_log_pos 548 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 371
+#<date> server id 1  end_log_pos 555 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 use `test`/*!*/;
 SET TIMESTAMP=X/*!*/;
 SET @@session.pseudo_thread_id=4/*!*/;
@@ -40,23 +40,23 @@ SET @@session.lc_time_names=0/*!*/;
 SET @@session.collation_database=DEFAULT/*!*/;
 CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1))
 /*!*/;
-# at 548
-#<date> server id 1  end_log_pos 590 CRC32 XXX 	GTID 0-1-2 ddl
+# at 555
+#<date> server id 1  end_log_pos 597 CRC32 XXX 	GTID 0-1-2 ddl
 /*!100001 SET @@session.gtid_seq_no=2*//*!*/;
-# at 590
-#<date> server id 1  end_log_pos 767 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 597
+#<date> server id 1  end_log_pos 774 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1))
 /*!*/;
-# at 767
-#<date> server id 1  end_log_pos 809 CRC32 XXX 	GTID 0-1-3
+# at 774
+#<date> server id 1  end_log_pos 816 CRC32 XXX 	GTID 0-1-3
 /*!100001 SET @@session.gtid_seq_no=3*//*!*/;
 BEGIN
 /*!*/;
-# at 809
-#<date> server id 1  end_log_pos 865 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
-# at 865
-#<date> server id 1  end_log_pos 934 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
+# at 816
+#<date> server id 1  end_log_pos 872 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 872
+#<date> server id 1  end_log_pos 941 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
 ### INSERT INTO `test`.`t1`
 ### SET
 ###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
@@ -68,20 +68,20 @@ BEGIN
 ###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
 ###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
 ###   @9='' /* STRING(1) meta=65025 nullable=1 is_null=0 */
-# at 934
-#<date> server id 1  end_log_pos 1007 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 941
+#<date> server id 1  end_log_pos 1014 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 1007
-#<date> server id 1  end_log_pos 1049 CRC32 XXX 	GTID 0-1-4
+# at 1014
+#<date> server id 1  end_log_pos 1056 CRC32 XXX 	GTID 0-1-4
 /*!100001 SET @@session.gtid_seq_no=4*//*!*/;
 BEGIN
 /*!*/;
-# at 1049
-#<date> server id 1  end_log_pos 1105 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
-# at 1105
-#<date> server id 1  end_log_pos 1173 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
+# at 1056
+#<date> server id 1  end_log_pos 1112 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 1112
+#<date> server id 1  end_log_pos 1180 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
 ### INSERT INTO `test`.`t1`
 ### SET
 ###   @1=11 /* INT meta=0 nullable=0 is_null=0 */
@@ -93,20 +93,20 @@ BEGIN
 ###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
 ###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
 ###   @9=NULL /* STRING(1) meta=65025 nullable=1 is_null=1 */
-# at 1173
-#<date> server id 1  end_log_pos 1246 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 1180
+#<date> server id 1  end_log_pos 1253 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 1246
-#<date> server id 1  end_log_pos 1288 CRC32 XXX 	GTID 0-1-5
+# at 1253
+#<date> server id 1  end_log_pos 1295 CRC32 XXX 	GTID 0-1-5
 /*!100001 SET @@session.gtid_seq_no=5*//*!*/;
 BEGIN
 /*!*/;
-# at 1288
-#<date> server id 1  end_log_pos 1344 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
-# at 1344
-#<date> server id 1  end_log_pos 1411 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
+# at 1295
+#<date> server id 1  end_log_pos 1351 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 1351
+#<date> server id 1  end_log_pos 1418 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
 ### INSERT INTO `test`.`t1`
 ### SET
 ###   @1=12 /* INT meta=0 nullable=0 is_null=0 */
@@ -118,20 +118,20 @@ BEGIN
 ###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
 ###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
 ###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
-# at 1411
-#<date> server id 1  end_log_pos 1484 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 1418
+#<date> server id 1  end_log_pos 1491 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 1484
-#<date> server id 1  end_log_pos 1526 CRC32 XXX 	GTID 0-1-6
+# at 1491
+#<date> server id 1  end_log_pos 1533 CRC32 XXX 	GTID 0-1-6
 /*!100001 SET @@session.gtid_seq_no=6*//*!*/;
 BEGIN
 /*!*/;
-# at 1526
-#<date> server id 1  end_log_pos 1582 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
-# at 1582
-#<date> server id 1  end_log_pos 1652 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
+# at 1533
+#<date> server id 1  end_log_pos 1589 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 1589
+#<date> server id 1  end_log_pos 1659 CRC32 XXX 	Write_rows: table id 30 flags: STMT_END_F
 ### INSERT INTO `test`.`t1`
 ### SET
 ###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
@@ -143,20 +143,20 @@ BEGIN
 ###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
 ###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
 ###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
-# at 1652
-#<date> server id 1  end_log_pos 1725 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 1659
+#<date> server id 1  end_log_pos 1732 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 1725
-#<date> server id 1  end_log_pos 1767 CRC32 XXX 	GTID 0-1-7
+# at 1732
+#<date> server id 1  end_log_pos 1774 CRC32 XXX 	GTID 0-1-7
 /*!100001 SET @@session.gtid_seq_no=7*//*!*/;
 BEGIN
 /*!*/;
-# at 1767
-#<date> server id 1  end_log_pos 1823 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
-# at 1823
-#<date> server id 1  end_log_pos 1990 CRC32 XXX 	Write_rows: table id 31 flags: STMT_END_F
+# at 1774
+#<date> server id 1  end_log_pos 1830 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
+# at 1830
+#<date> server id 1  end_log_pos 1997 CRC32 XXX 	Write_rows: table id 31 flags: STMT_END_F
 ### INSERT INTO `test`.`t2`
 ### SET
 ###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
@@ -201,20 +201,20 @@ BEGIN
 ###   @7=6 /* INT meta=0 nullable=1 is_null=0 */
 ###   @8=7 /* INT meta=0 nullable=1 is_null=0 */
 ###   @9='A' /* STRING(1) meta=65025 nullable=1 is_null=0 */
-# at 1990
-#<date> server id 1  end_log_pos 2063 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 1997
+#<date> server id 1  end_log_pos 2070 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 2063
-#<date> server id 1  end_log_pos 2105 CRC32 XXX 	GTID 0-1-8
+# at 2070
+#<date> server id 1  end_log_pos 2112 CRC32 XXX 	GTID 0-1-8
 /*!100001 SET @@session.gtid_seq_no=8*//*!*/;
 BEGIN
 /*!*/;
-# at 2105
-#<date> server id 1  end_log_pos 2161 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
-# at 2161
-#<date> server id 1  end_log_pos 2235 CRC32 XXX 	Update_rows: table id 31 flags: STMT_END_F
+# at 2112
+#<date> server id 1  end_log_pos 2168 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
+# at 2168
+#<date> server id 1  end_log_pos 2242 CRC32 XXX 	Update_rows: table id 31 flags: STMT_END_F
 ### UPDATE `test`.`t2`
 ### WHERE
 ###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
@@ -233,20 +233,20 @@ BEGIN
 ###   @5=NULL /* INT meta=0 nullable=1 is_null=1 */
 ### SET
 ###   @5=5 /* INT meta=0 nullable=1 is_null=0 */
-# at 2235
-#<date> server id 1  end_log_pos 2308 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 2242
+#<date> server id 1  end_log_pos 2315 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 2308
-#<date> server id 1  end_log_pos 2350 CRC32 XXX 	GTID 0-1-9
+# at 2315
+#<date> server id 1  end_log_pos 2357 CRC32 XXX 	GTID 0-1-9
 /*!100001 SET @@session.gtid_seq_no=9*//*!*/;
 BEGIN
 /*!*/;
-# at 2350
-#<date> server id 1  end_log_pos 2406 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
-# at 2406
-#<date> server id 1  end_log_pos 2460 CRC32 XXX 	Delete_rows: table id 30 flags: STMT_END_F
+# at 2357
+#<date> server id 1  end_log_pos 2413 CRC32 XXX 	Table_map: `test`.`t1` mapped to number num
+# at 2413
+#<date> server id 1  end_log_pos 2467 CRC32 XXX 	Delete_rows: table id 30 flags: STMT_END_F
 ### DELETE FROM `test`.`t1`
 ### WHERE
 ###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
@@ -259,20 +259,20 @@ BEGIN
 ### DELETE FROM `test`.`t1`
 ### WHERE
 ###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
-# at 2460
-#<date> server id 1  end_log_pos 2533 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 2467
+#<date> server id 1  end_log_pos 2540 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 2533
-#<date> server id 1  end_log_pos 2575 CRC32 XXX 	GTID 0-1-10
+# at 2540
+#<date> server id 1  end_log_pos 2582 CRC32 XXX 	GTID 0-1-10
 /*!100001 SET @@session.gtid_seq_no=10*//*!*/;
 BEGIN
 /*!*/;
-# at 2575
-#<date> server id 1  end_log_pos 2631 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
-# at 2631
-#<date> server id 1  end_log_pos 2685 CRC32 XXX 	Delete_rows: table id 31 flags: STMT_END_F
+# at 2582
+#<date> server id 1  end_log_pos 2638 CRC32 XXX 	Table_map: `test`.`t2` mapped to number num
+# at 2638
+#<date> server id 1  end_log_pos 2692 CRC32 XXX 	Delete_rows: table id 31 flags: STMT_END_F
 ### DELETE FROM `test`.`t2`
 ### WHERE
 ###   @1=10 /* INT meta=0 nullable=0 is_null=0 */
@@ -285,13 +285,13 @@ BEGIN
 ### DELETE FROM `test`.`t2`
 ### WHERE
 ###   @1=13 /* INT meta=0 nullable=0 is_null=0 */
-# at 2685
-#<date> server id 1  end_log_pos 2758 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+# at 2692
+#<date> server id 1  end_log_pos 2765 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
 SET TIMESTAMP=X/*!*/;
 COMMIT
 /*!*/;
-# at 2758
-#<date> server id 1  end_log_pos 2806 CRC32 XXX 	Rotate to master-bin.000002  pos: 4
+# at 2765
+#<date> server id 1  end_log_pos 2813 CRC32 XXX 	Rotate to master-bin.000002  pos: 4
 DELIMITER ;
 # End of log file
 ROLLBACK /* added by mysqlbinlog */;
diff --git a/mysql-test/r/mysqlbinlog_stmt_compressed.result b/mysql-test/r/mysqlbinlog_stmt_compressed.result
new file mode 100644
index 0000000000000..6bff2649b0245
--- /dev/null
+++ b/mysql-test/r/mysqlbinlog_stmt_compressed.result
@@ -0,0 +1,182 @@
+SET GLOBAL log_bin_compress=on;
+SET GLOBAL log_bin_compress_min_len=10;
+CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1));
+CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1));
+INSERT INTO t1 VALUES (10, 1, 2, 3, 4, 5, 6, 7, "");
+INSERT INTO t1 VALUES (11, 1, 2, 3, 4, 5, 6, 7, NULL);
+INSERT INTO t1 VALUES (12, 1, 2, 3, NULL, 5, 6, 7, "A");
+INSERT INTO t1 VALUES (13, 1, 2, 3, 0, 5, 6, 7, "A");
+INSERT INTO t2 SELECT * FROM t1;
+UPDATE t2 SET f4=5 WHERE f4>0 or f4 is NULL;
+DELETE FROM t1;
+DELETE FROM t2;
+FLUSH BINARY LOGS;
+/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/;
+/*!40019 SET @@session.max_insert_delayed_threads=0*/;
+/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
+DELIMITER /*!*/;
+# at 4
+#<date> server id 1  end_log_pos 256 CRC32 XXX 	Start: xxx
+ROLLBACK/*!*/;
+# at 256
+#<date> server id 1  end_log_pos 285 CRC32 XXX 	Gtid list []
+# at 285
+#<date> server id 1  end_log_pos 329 CRC32 XXX 	Binlog checkpoint master-bin.000001
+# at 329
+#<date> server id 1  end_log_pos 371 CRC32 XXX 	GTID 0-1-1 ddl
+/*!100101 SET @@session.skip_parallel_replication=0*//*!*/;
+/*!100001 SET @@session.gtid_domain_id=0*//*!*/;
+/*!100001 SET @@session.server_id=1*//*!*/;
+/*!100001 SET @@session.gtid_seq_no=1*//*!*/;
+# at 371
+#<date> server id 1  end_log_pos 533 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+use `test`/*!*/;
+SET TIMESTAMP=X/*!*/;
+SET @@session.pseudo_thread_id=4/*!*/;
+SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1, @@session.check_constraint_checks=1/*!*/;
+SET @@session.sql_mode=1342177280/*!*/;
+SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
+/*!\C latin1 *//*!*/;
+SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
+SET @@session.lc_time_names=0/*!*/;
+SET @@session.collation_database=DEFAULT/*!*/;
+CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1))
+/*!*/;
+# at 533
+#<date> server id 1  end_log_pos 575 CRC32 XXX 	GTID 0-1-2 ddl
+/*!100001 SET @@session.gtid_seq_no=2*//*!*/;
+# at 575
+#<date> server id 1  end_log_pos 727 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1))
+/*!*/;
+# at 727
+#<date> server id 1  end_log_pos 769 CRC32 XXX 	GTID 0-1-3
+/*!100001 SET @@session.gtid_seq_no=3*//*!*/;
+BEGIN
+/*!*/;
+# at 769
+#<date> server id 1  end_log_pos 897 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+INSERT INTO t1 VALUES (10, 1, 2, 3, 4, 5, 6, 7, "")
+/*!*/;
+# at 897
+#<date> server id 1  end_log_pos 970 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 970
+#<date> server id 1  end_log_pos 1012 CRC32 XXX 	GTID 0-1-4
+/*!100001 SET @@session.gtid_seq_no=4*//*!*/;
+BEGIN
+/*!*/;
+# at 1012
+#<date> server id 1  end_log_pos 1140 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+INSERT INTO t1 VALUES (11, 1, 2, 3, 4, 5, 6, 7, NULL)
+/*!*/;
+# at 1140
+#<date> server id 1  end_log_pos 1213 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1213
+#<date> server id 1  end_log_pos 1255 CRC32 XXX 	GTID 0-1-5
+/*!100001 SET @@session.gtid_seq_no=5*//*!*/;
+BEGIN
+/*!*/;
+# at 1255
+#<date> server id 1  end_log_pos 1385 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+INSERT INTO t1 VALUES (12, 1, 2, 3, NULL, 5, 6, 7, "A")
+/*!*/;
+# at 1385
+#<date> server id 1  end_log_pos 1458 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1458
+#<date> server id 1  end_log_pos 1500 CRC32 XXX 	GTID 0-1-6
+/*!100001 SET @@session.gtid_seq_no=6*//*!*/;
+BEGIN
+/*!*/;
+# at 1500
+#<date> server id 1  end_log_pos 1627 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+INSERT INTO t1 VALUES (13, 1, 2, 3, 0, 5, 6, 7, "A")
+/*!*/;
+# at 1627
+#<date> server id 1  end_log_pos 1700 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1700
+#<date> server id 1  end_log_pos 1742 CRC32 XXX 	GTID 0-1-7
+/*!100001 SET @@session.gtid_seq_no=7*//*!*/;
+BEGIN
+/*!*/;
+# at 1742
+#<date> server id 1  end_log_pos 1850 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+INSERT INTO t2 SELECT * FROM t1
+/*!*/;
+# at 1850
+#<date> server id 1  end_log_pos 1923 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 1923
+#<date> server id 1  end_log_pos 1965 CRC32 XXX 	GTID 0-1-8
+/*!100001 SET @@session.gtid_seq_no=8*//*!*/;
+BEGIN
+/*!*/;
+# at 1965
+#<date> server id 1  end_log_pos 2082 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+UPDATE t2 SET f4=5 WHERE f4>0 or f4 is NULL
+/*!*/;
+# at 2082
+#<date> server id 1  end_log_pos 2155 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 2155
+#<date> server id 1  end_log_pos 2197 CRC32 XXX 	GTID 0-1-9
+/*!100001 SET @@session.gtid_seq_no=9*//*!*/;
+BEGIN
+/*!*/;
+# at 2197
+#<date> server id 1  end_log_pos 2288 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+DELETE FROM t1
+/*!*/;
+# at 2288
+#<date> server id 1  end_log_pos 2361 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 2361
+#<date> server id 1  end_log_pos 2403 CRC32 XXX 	GTID 0-1-10
+/*!100001 SET @@session.gtid_seq_no=10*//*!*/;
+BEGIN
+/*!*/;
+# at 2403
+#<date> server id 1  end_log_pos 2494 CRC32 XXX 	Query_compressed	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+DELETE FROM t2
+/*!*/;
+# at 2494
+#<date> server id 1  end_log_pos 2567 CRC32 XXX 	Query	thread_id=4	exec_time=x	error_code=0
+SET TIMESTAMP=X/*!*/;
+COMMIT
+/*!*/;
+# at 2567
+#<date> server id 1  end_log_pos 2615 CRC32 XXX 	Rotate to master-bin.000002  pos: 4
+DELIMITER ;
+# End of log file
+ROLLBACK /* added by mysqlbinlog */;
+/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
+/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;
+DROP TABLE t1,t2;
+SET GLOBAL log_bin_compress=off;
+SET GLOBAL log_bin_compress_min_len=256;
diff --git a/mysql-test/r/mysqld--help.result b/mysql-test/r/mysqld--help.result
index 862113c224a41..52f526d912447 100644
--- a/mysql-test/r/mysqld--help.result
+++ b/mysql-test/r/mysqld--help.result
@@ -344,6 +344,10 @@ The following options may be given as the first argument:
  We strongly recommend to use either --log-basename or
  specify a filename to ensure that replication doesn't
  stop if the real hostname of the computer changes.
+ --log-bin-compress  Whether the binary log can be compressed
+ --log-bin-compress-min-len[=#] 
+ Minimum length of sql statement(in statement mode) or
+ record(in row mode)that can be compressed.
  --log-bin-index=name 
  File that holds the names for last binary log files.
  --log-bin-trust-function-creators 
@@ -1264,6 +1268,8 @@ lc-time-names en_US
 local-infile TRUE
 lock-wait-timeout 31536000
 log-bin (No default value)
+log-bin-compress FALSE
+log-bin-compress-min-len 256
 log-bin-index (No default value)
 log-bin-trust-function-creators FALSE
 log-error 
diff --git a/mysql-test/suite/binlog/r/binlog_variables_log_bin.result b/mysql-test/suite/binlog/r/binlog_variables_log_bin.result
index 215e14f97dfb5..d05a28847b481 100644
--- a/mysql-test/suite/binlog/r/binlog_variables_log_bin.result
+++ b/mysql-test/suite/binlog/r/binlog_variables_log_bin.result
@@ -3,6 +3,10 @@ Variable_name	log_bin
 Value	ON
 Variable_name	log_bin_basename
 Value	MYSQLTEST_VARDIR/mysqld.1/data/other
+Variable_name	log_bin_compress
+Value	OFF
+Variable_name	log_bin_compress_min_len
+Value	256
 Variable_name	log_bin_index
 Value	MYSQLTEST_VARDIR/mysqld.1/data/mysqld-bin.index
 Variable_name	log_bin_trust_function_creators
diff --git a/mysql-test/suite/binlog/r/binlog_variables_log_bin_index.result b/mysql-test/suite/binlog/r/binlog_variables_log_bin_index.result
index fb7324ced34a8..09f2feae9c285 100644
--- a/mysql-test/suite/binlog/r/binlog_variables_log_bin_index.result
+++ b/mysql-test/suite/binlog/r/binlog_variables_log_bin_index.result
@@ -3,6 +3,10 @@ Variable_name	log_bin
 Value	ON
 Variable_name	log_bin_basename
 Value	MYSQLTEST_VARDIR/mysqld.1/data/other
+Variable_name	log_bin_compress
+Value	OFF
+Variable_name	log_bin_compress_min_len
+Value	256
 Variable_name	log_bin_index
 Value	MYSQLTEST_VARDIR/tmp/something.index
 Variable_name	log_bin_trust_function_creators
diff --git a/mysql-test/suite/rpl/r/rpl_binlog_compress.result b/mysql-test/suite/rpl/r/rpl_binlog_compress.result
new file mode 100644
index 0000000000000..d729611e8852a
--- /dev/null
+++ b/mysql-test/suite/rpl/r/rpl_binlog_compress.result
@@ -0,0 +1,76 @@
+include/master-slave.inc
+[connection master]
+set @old_log_bin_compress=@@log_bin_compress;
+set @old_log_bin_compress_min_len=@@log_bin_compress_min_len;
+set @old_binlog_format=@@binlog_format;
+set @old_binlog_row_image=@@binlog_row_image;
+set global log_bin_compress=on;
+set global log_bin_compress_min_len=10;
+drop table if exists t1;
+Warnings:
+Note	1051	Unknown table 'test.t1'
+CREATE TABLE t1 (pr_id int(10) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY, pr_page int(11) NOT NULL, pr_type varbinary(60) NOT NULL, test int, UNIQUE KEY pr_pagetype (pr_page,pr_type)) ENGINE=myisam AUTO_INCREMENT=136;
+set binlog_format=statement;
+insert into t1 (pr_page, pr_type, test) values(1,"one",0),(2,"two",0);
+replace into t1 (pr_page, pr_type,test) values(1,"one",2);
+update t1 set test=test+1 where pr_page > 1;
+delete from t1 where test=1;
+select * from t1;
+pr_id	pr_page	pr_type	test
+138	1	one	2
+connection slave;
+connection slave;
+select * from t1;
+pr_id	pr_page	pr_type	test
+138	1	one	2
+connection master;
+set binlog_format=row;
+insert into t1 (pr_page, pr_type, test) values(3,"three",0),(4,"four",4),(5, "five", 0);
+replace into t1 (pr_page, pr_type,test) values(3,"one",2);
+update t1 set test=test+1 where pr_page > 3;
+delete from t1 where test=1;
+select * from t1;
+pr_id	pr_page	pr_type	test
+138	1	one	2
+140	4	four	5
+139	3	three	0
+142	3	one	2
+connection slave;
+connection slave;
+select * from t1;
+pr_id	pr_page	pr_type	test
+138	1	one	2
+140	4	four	5
+139	3	three	0
+142	3	one	2
+connection master;
+set binlog_row_image=minimal;
+insert into t1 (pr_page, pr_type, test) values(6,"six",0),(7,"seven",7),(8, "eight", 0);
+replace into t1 (pr_page, pr_type,test) values(6,"six",2);
+update t1 set test=test+1 where pr_page > 6;
+delete from t1 where test=1;
+select * from t1;
+pr_id	pr_page	pr_type	test
+138	1	one	2
+140	4	four	5
+139	3	three	0
+144	7	seven	8
+142	3	one	2
+146	6	six	2
+connection slave;
+connection slave;
+select * from t1;
+pr_id	pr_page	pr_type	test
+138	1	one	2
+140	4	four	5
+139	3	three	0
+144	7	seven	8
+142	3	one	2
+146	6	six	2
+connection master;
+drop table t1;
+set global log_bin_compress=@old_log_bin_compress;
+set global log_bin_compress_min_len=@old_log_bin_compress_min_len;
+set binlog_format=@old_binlog_format;
+set binlog_row_image=@old_binlog_row_image;
+include/rpl_end.inc
diff --git a/mysql-test/suite/rpl/t/rpl_binlog_compress.test b/mysql-test/suite/rpl/t/rpl_binlog_compress.test
new file mode 100644
index 0000000000000..ef1e45084b686
--- /dev/null
+++ b/mysql-test/suite/rpl/t/rpl_binlog_compress.test
@@ -0,0 +1,61 @@
+#
+# Test of compressed binlog with replication
+#
+
+source include/master-slave.inc;
+
+set @old_log_bin_compress=@@log_bin_compress;
+set @old_log_bin_compress_min_len=@@log_bin_compress_min_len;
+set @old_binlog_format=@@binlog_format;
+set @old_binlog_row_image=@@binlog_row_image;
+
+set global log_bin_compress=on;
+set global log_bin_compress_min_len=10;
+
+drop table if exists t1;
+CREATE TABLE t1 (pr_id int(10) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY, pr_page int(11) NOT NULL, pr_type varbinary(60) NOT NULL, test int, UNIQUE KEY pr_pagetype (pr_page,pr_type)) ENGINE=myisam AUTO_INCREMENT=136;
+
+set binlog_format=statement;
+insert into t1 (pr_page, pr_type, test) values(1,"one",0),(2,"two",0);
+replace into t1 (pr_page, pr_type,test) values(1,"one",2);
+update t1 set test=test+1 where pr_page > 1;
+delete from t1 where test=1;
+
+select * from t1;
+sync_slave_with_master;
+connection slave;
+select * from t1;
+connection master;
+
+
+set binlog_format=row;
+insert into t1 (pr_page, pr_type, test) values(3,"three",0),(4,"four",4),(5, "five", 0);
+replace into t1 (pr_page, pr_type,test) values(3,"one",2);
+update t1 set test=test+1 where pr_page > 3;
+delete from t1 where test=1;
+
+select * from t1;
+sync_slave_with_master;
+connection slave;
+select * from t1;
+connection master;
+
+
+set binlog_row_image=minimal;
+insert into t1 (pr_page, pr_type, test) values(6,"six",0),(7,"seven",7),(8, "eight", 0);
+replace into t1 (pr_page, pr_type,test) values(6,"six",2);
+update t1 set test=test+1 where pr_page > 6;
+delete from t1 where test=1;
+
+select * from t1;
+sync_slave_with_master;
+connection slave;
+select * from t1;
+connection master;
+drop table t1;
+
+set global log_bin_compress=@old_log_bin_compress;
+set global log_bin_compress_min_len=@old_log_bin_compress_min_len;
+set binlog_format=@old_binlog_format;
+set binlog_row_image=@old_binlog_row_image;
+--source include/rpl_end.inc
diff --git a/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result b/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
index 2a6c24653e175..d9bcb91760be6 100644
--- a/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
+++ b/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
@@ -1759,6 +1759,34 @@ NUMERIC_BLOCK_SIZE	NULL
 ENUM_VALUE_LIST	NULL
 READ_ONLY	YES
 COMMAND_LINE_ARGUMENT	NULL
+VARIABLE_NAME	LOG_BIN_COMPRESS
+SESSION_VALUE	NULL
+GLOBAL_VALUE	OFF
+GLOBAL_VALUE_ORIGIN	COMPILE-TIME
+DEFAULT_VALUE	OFF
+VARIABLE_SCOPE	GLOBAL
+VARIABLE_TYPE	BOOLEAN
+VARIABLE_COMMENT	Whether the binary log can be compressed
+NUMERIC_MIN_VALUE	NULL
+NUMERIC_MAX_VALUE	NULL
+NUMERIC_BLOCK_SIZE	NULL
+ENUM_VALUE_LIST	OFF,ON
+READ_ONLY	NO
+COMMAND_LINE_ARGUMENT	OPTIONAL
+VARIABLE_NAME	LOG_BIN_COMPRESS_MIN_LEN
+SESSION_VALUE	NULL
+GLOBAL_VALUE	256
+GLOBAL_VALUE_ORIGIN	COMPILE-TIME
+DEFAULT_VALUE	256
+VARIABLE_SCOPE	GLOBAL
+VARIABLE_TYPE	INT UNSIGNED
+VARIABLE_COMMENT	Minimum length of sql statement(in statement mode) or record(in row mode)that can be compressed.
+NUMERIC_MIN_VALUE	10
+NUMERIC_MAX_VALUE	1024
+NUMERIC_BLOCK_SIZE	1
+ENUM_VALUE_LIST	NULL
+READ_ONLY	NO
+COMMAND_LINE_ARGUMENT	OPTIONAL
 VARIABLE_NAME	LOG_BIN_INDEX
 SESSION_VALUE	NULL
 GLOBAL_VALUE	
diff --git a/mysql-test/t/mysqlbinlog_row_compressed.test b/mysql-test/t/mysqlbinlog_row_compressed.test
new file mode 100644
index 0000000000000..05edf7a9a7854
--- /dev/null
+++ b/mysql-test/t/mysqlbinlog_row_compressed.test
@@ -0,0 +1,37 @@
+#
+# Test for compressed row event 
+#
+
+--source include/have_log_bin.inc
+--source include/have_binlog_format_row.inc
+
+#
+#  
+# mysqlbinlog: comprssed row event 
+# 
+#
+
+SET GLOBAL log_bin_compress=on;
+SET GLOBAL log_bin_compress_min_len=10;
+CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1));
+CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1));
+INSERT INTO t1 VALUES (10, 1, 2, 3, 4, 5, 6, 7, "");
+INSERT INTO t1 VALUES (11, 1, 2, 3, 4, 5, 6, 7, NULL);
+INSERT INTO t1 VALUES (12, 1, 2, 3, NULL, 5, 6, 7, "A");
+INSERT INTO t1 VALUES (13, 1, 2, 3, 0, 5, 6, 7, "A");
+INSERT INTO t2 SELECT * FROM t1;
+UPDATE t2 SET f4=5 WHERE f4>0 or f4 is NULL;
+DELETE FROM t1;
+DELETE FROM t2;
+
+--let $binlog = query_get_value(SHOW MASTER STATUS, File, 1)
+--let $datadir = `SELECT @@datadir`
+
+FLUSH BINARY LOGS;
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_regex /\d{6} *\d*:\d\d:\d\d/<date>/ /Start:.*at startup/Start: xxx/ /SET TIMESTAMP=\d*/SET TIMESTAMP=X/ /exec_time=\d*/exec_time=x/ /mapped to number \d*/mapped to number num/ /CRC32 0x[0-9a-f]+/CRC32 XXX/
+--exec $MYSQL_BINLOG --verbose --verbose --base64-output=DECODE-ROWS $datadir/$binlog
+
+DROP TABLE t1,t2;
+SET GLOBAL log_bin_compress=off;
+SET GLOBAL log_bin_compress_min_len=256;
diff --git a/mysql-test/t/mysqlbinlog_stmt_compressed.test b/mysql-test/t/mysqlbinlog_stmt_compressed.test
new file mode 100644
index 0000000000000..da5e7f44696fc
--- /dev/null
+++ b/mysql-test/t/mysqlbinlog_stmt_compressed.test
@@ -0,0 +1,37 @@
+#
+# Test for compressed query event 
+#
+
+--source include/have_log_bin.inc
+--source include/have_binlog_format_statement.inc
+
+#
+#  
+# mysqlbinlog: comprssed query event 
+# 
+#
+
+SET GLOBAL log_bin_compress=on;
+SET GLOBAL log_bin_compress_min_len=10;
+CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 TINYINT, f4 MEDIUMINT, f5 BIGINT, f6 INT, f7 INT, f8 char(1));
+CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT, f2 INT, f3 INT, f4 INT, f5 MEDIUMINT, f6 INT, f7 INT, f8 char(1));
+INSERT INTO t1 VALUES (10, 1, 2, 3, 4, 5, 6, 7, "");
+INSERT INTO t1 VALUES (11, 1, 2, 3, 4, 5, 6, 7, NULL);
+INSERT INTO t1 VALUES (12, 1, 2, 3, NULL, 5, 6, 7, "A");
+INSERT INTO t1 VALUES (13, 1, 2, 3, 0, 5, 6, 7, "A");
+INSERT INTO t2 SELECT * FROM t1;
+UPDATE t2 SET f4=5 WHERE f4>0 or f4 is NULL;
+DELETE FROM t1;
+DELETE FROM t2;
+
+--let $binlog = query_get_value(SHOW MASTER STATUS, File, 1)
+--let $datadir = `SELECT @@datadir`
+
+FLUSH BINARY LOGS;
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_regex /\d{6} *\d*:\d\d:\d\d/<date>/ /Start:.*at startup/Start: xxx/ /SET TIMESTAMP=\d*/SET TIMESTAMP=X/ /exec_time=\d*/exec_time=x/ /mapped to number \d*/mapped to number num/ /CRC32 0x[0-9a-f]+/CRC32 XXX/
+--exec $MYSQL_BINLOG --verbose --verbose --base64-output=DECODE-ROWS $datadir/$binlog
+
+DROP TABLE t1,t2;
+SET GLOBAL log_bin_compress=off;
+SET GLOBAL log_bin_compress_min_len=256;