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dr-mdr-m
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Port the test innodb.doublewrite from MySQL 5.7.
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‎mysql-test/include/kill_mysqld.inc

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--let $_server_id= `SELECT @@server_id`
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--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect
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--echo # Kill the server
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--exec echo "wait" > $_expect_file_name
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--shutdown_server 0
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--source include/wait_until_disconnected.inc

‎mysql-test/suite/innodb/include/no_checkpoint_end.inc

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# Check that the latest checkpoint in the redo log files
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# is not newer than the checkpoint sampled by no_checkpoint_start.inc
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--source include/kill_mysqld.inc
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perl;
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my $cp = $ENV{CHECKPOINT_LSN};
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$cp =~ s/^InnoDB\t\t//;
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my $log = "$ENV{MYSQLD_DATADIR}ib_logfile0";
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open(LOG, "<$log") || die "Unable to open $log";
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seek(LOG, 512, 0) || die "Unable to seek $log";
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die unless read(LOG, $_, 16) == 16;
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my ($no1hi,$no1lo,$cp1hi,$cp1lo) = unpack("N*", $_);
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seek(LOG, 3 * 512, 0) || die "Unable to seek $log";
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die unless read(LOG, $_, 16) == 16;
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my ($no2hi,$no2lo,$cp2hi,$cp2lo) = unpack("N*", $_);
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close(LOG);
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my $cp1 = $cp1hi << 32 | $cp1lo;
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my $cp2 = $cp2hi << 32 | $cp2lo;
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open(OUT, ">$ENV{MYSQLTEST_VARDIR}/log/check.txt") || die;
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if ($cp1 > $cp || $cp2 > $cp) {
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print OUT "--source include/start_mysqld.inc\n";
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print OUT "$ENV{CLEANUP_IF_CHECKPOINT}\n";
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print OUT "--skip Extra checkpoint 1 after $cp";
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print OUT " ($no1hi:$no1lo=$cp1,$no2hi:$no2lo=$cp2)\n";
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}
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close(OUT);
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EOF
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--source $MYSQLTEST_VARDIR/log/check.txt
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--remove_file $MYSQLTEST_VARDIR/log/check.txt

‎mysql-test/suite/innodb/include/no_checkpoint_start.inc

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# Preparation for using no_checkpoint_end.inc
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let MYSQLD_DATADIR= `select @@datadir`;
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--replace_regex /.*Last checkpoint at[ ]*([0-9]+).*/\1/
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let CHECKPOINT_LSN=`SHOW ENGINE INNODB STATUS`;

‎mysql-test/suite/innodb/r/doublewrite.result

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#
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# Bug #17335427 INNODB CAN NOT USE THE DOUBLEWRITE BUFFER PROPERLY
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# Bug #18144349 INNODB CANNOT USE THE DOUBLEWRITE BUFFER FOR THE FIRST
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# PAGE OF SYSTEM TABLESPACE
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#
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SET GLOBAL innodb_fast_shutdown = 0;
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show variables like 'innodb_doublewrite';
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Variable_name Value
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innodb_doublewrite ON
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show variables like 'innodb_fil_make_page_dirty_debug';
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Variable_name Value
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innodb_fil_make_page_dirty_debug 0
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show variables like 'innodb_saved_page_number_debug';
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Variable_name Value
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innodb_saved_page_number_debug 0
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create table t1 (f1 int primary key, f2 blob) engine=innodb;
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start transaction;
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insert into t1 values(1, repeat('#',12));
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insert into t1 values(2, repeat('+',12));
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insert into t1 values(3, repeat('/',12));
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insert into t1 values(4, repeat('-',12));
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insert into t1 values(5, repeat('.',12));
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commit work;
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if first page of user
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# tablespace is full of zeroes.
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select space from information_schema.innodb_sys_tables
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where name = 'test/t1' into @space_id;
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# Ensure that dirty pages of table t1 is flushed.
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flush tables t1 for export;
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unlock tables;
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begin;
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insert into t1 values (6, repeat('%', 12));
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# Make the first page dirty for table t1
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set global innodb_saved_page_number_debug = 0;
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set global innodb_fil_make_page_dirty_debug = @space_id;
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# Ensure that dirty pages of table t1 are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Make the first page (page_no=0) of the user tablespace
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# full of zeroes.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if first page of user
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# tablespace is corrupted.
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select space from information_schema.innodb_sys_tables
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where name = 'test/t1' into @space_id;
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# Ensure that dirty pages of table t1 is flushed.
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flush tables t1 for export;
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unlock tables;
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begin;
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insert into t1 values (6, repeat('%', 12));
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# Make the first page dirty for table t1
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set global innodb_saved_page_number_debug = 0;
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set global innodb_fil_make_page_dirty_debug = @space_id;
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# Ensure that dirty pages of table t1 are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Corrupt the first page (page_no=0) of the user tablespace.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if 2nd page of user
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# tablespace is full of zeroes.
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select space from information_schema.innodb_sys_tables
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where name = 'test/t1' into @space_id;
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# Ensure that dirty pages of table t1 is flushed.
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flush tables t1 for export;
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unlock tables;
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begin;
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insert into t1 values (6, repeat('%', 400));
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# Make the 2nd page dirty for table t1
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set global innodb_saved_page_number_debug = 1;
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set global innodb_fil_make_page_dirty_debug = @space_id;
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# Ensure that dirty pages of table t1 are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Make the 2nd page (page_no=1) of the tablespace all zeroes.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if 2nd page of user
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# tablespace is corrupted.
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select space from information_schema.innodb_sys_tables
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where name = 'test/t1' into @space_id;
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# Ensure that dirty pages of table t1 is flushed.
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flush tables t1 for export;
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unlock tables;
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begin;
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insert into t1 values (6, repeat('%', 400));
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# Make the 2nd page dirty for table t1
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set global innodb_saved_page_number_debug = 1;
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set global innodb_fil_make_page_dirty_debug = @space_id;
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# Ensure that the dirty pages of table t1 are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Corrupt the 2nd page (page_no=1) of the user tablespace.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if first page of
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# system tablespace is full of zeroes.
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begin;
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insert into t1 values (6, repeat('%', 400));
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# Ensure that all dirty pages in the system are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Make the first page dirty for system tablespace
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set global innodb_saved_page_number_debug = 0;
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set global innodb_fil_make_page_dirty_debug = 0;
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# Ensure that the dirty page of system tablespace is also flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Make the first page (page_no=0) of the system tablespace
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# all zeroes.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if first page of
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# system tablespace is corrupted.
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begin;
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insert into t1 values (6, repeat('%', 400));
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# Ensure that all dirty pages in the system are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Make the first page dirty for system tablespace
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set global innodb_saved_page_number_debug = 0;
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set global innodb_fil_make_page_dirty_debug = 0;
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# Ensure that the dirty page of system tablespace is also flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Corrupt the first page (page_no=0) of the system tablespace.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if 2nd page of
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# system tablespace is full of zeroes.
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begin;
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insert into t1 values (6, repeat('%', 400));
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# Ensure that all dirty pages in the system are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Make the second page dirty for system tablespace
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set global innodb_saved_page_number_debug = 1;
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set global innodb_fil_make_page_dirty_debug = 0;
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# Ensure that the dirty page of system tablespace is also flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Make the 2nd page (page_no=1) of the system tablespace
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# all zeroes.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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# Test Begin: Test if recovery works if 2nd page of
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# system tablespace is corrupted.
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begin;
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insert into t1 values (6, repeat('%', 400));
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# Ensure that all dirty pages in the system are flushed.
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set global innodb_buf_flush_list_now = 1;
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# Make the second page dirty for system tablespace
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set global innodb_saved_page_number_debug = 1;
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set global innodb_fil_make_page_dirty_debug = 0;
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# Ensure that the dirty page of system tablespace is also flushed.
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set global innodb_buf_flush_list_now = 1;
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# Kill the server
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# Make the 2nd page (page_no=1) of the system tablespace
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# all zeroes.
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select f1, f2 from t1;
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f1 f2
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1 ############
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2 ++++++++++++
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3 ////////////
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4 ------------
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5 ............
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# Test End
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# ---------------------------------------------------------------
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drop table t1;

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