Remove unnecessary comments

Author: meeeejin

my-origin.cnf

@@ -46,7 +46,7 @@ innodb_page_size=4KB
 innodb_file_per_table=1
 
 #buffer settings
-innodb_buffer_pool_size=5000M
+innodb_buffer_pool_size=5G
 innodb_buffer_pool_instances=8
 innodb_max_dirty_pages_pct_lwm=0
 
@@ -64,7 +64,7 @@ innodb_log_buffer_size=32M
 innodb_flush_neighbors=0
 
 #doublewrite and flush method
-innodb_doublewrite=OFF
+innodb_doublewrite=ON
 innodb_flush_method=O_DIRECT
 
 #AIO control

my.cnf

@@ -57,8 +57,8 @@ innodb_page_cleaners=8
 #nvdimm settings
 innodb_use_nvdimm_buffer=true
 innodb_nvdimm_buffer_pool_size=1G
-innodb_nvdimm_buffer_pool_instances=2
-innodb_nvdimm_pc_threshold_pct=10
+innodb_nvdimm_buffer_pool_instances=1
+innodb_nvdimm_pc_threshold_pct=15
 
 #transaction log settings
 innodb_log_file_size=2G
@@ -70,7 +70,7 @@ innodb_log_buffer_size=32M
 innodb_flush_neighbors=0
 
 #doublewrite and flush method
-innodb_doublewrite=OFF
+innodb_doublewrite=ON
 innodb_flush_method=O_DIRECT
 
 #AIO control

storage/innobase/buf/.buf0flu.cc.swp

@@ -6169,14 +6169,6 @@ buf_page_io_complete(
 		if (uncompressed) {
 			rw_lock_sx_unlock_gen(&((buf_block_t*) bpage)->lock,
 					      BUF_IO_WRITE);
-
-            if (bpage->id.space() == 30) {
-                ib::info() << bpage->id.space() << " " << bpage->id.page_no()
-                    <<  " is unlocked from " << bpage->buf_pool_index
-                    << " with " << bpage->flush_type
-                    << " cached? " << bpage->cached_in_nvdimm
-                    << " moved? " << bpage->moved_to_nvdimm;
-            }
         }
 
 		buf_pool->stat.n_pages_written++;

storage/innobase/buf/.buf0lru.cc.swp

@@ -1104,18 +1104,14 @@ buf_flush_write_block_low(
         /* Set the oldest LSN of the NVDIMM page to the previous newest LSN. */
         buf_flush_note_modification((buf_block_t *)nvdimm_page, bpage->newest_modification, bpage->newest_modification, nvdimm_page->flush_observer);
 
-        ib::info() << bpage->id.space() << " " << bpage->id.page_no()
-            <<  " before io_complete " << bpage->buf_pool_index
-            << " with " << bpage->flush_type;
-        
         /* Remove the target page from the original buffer pool. */
         buf_page_io_complete(bpage, true);
         buf_page_io_complete(nvdimm_page);
 
-        buf_pool_t*	buf_pool = buf_pool_from_bpage(nvdimm_page);
+        /*buf_pool_t*	buf_pool = buf_pool_from_bpage(nvdimm_page);
         ib::info() << nvdimm_page->id.space() << " "
                 << nvdimm_page->id.page_no() << " is moved to "
-                << nvdimm_page->buf_pool_index << " from " << bpage->buf_pool_index;
+                << nvdimm_page->buf_pool_index << " from " << bpage->buf_pool_index;*/
     } else {
         bpage->moved_to_nvdimm = false;
 
@@ -1296,7 +1292,7 @@ buf_flush_page(
 
             if ((page_type == FIL_PAGE_INDEX || page_type == FIL_PAGE_RTREE) /* Index page */
                 && page_is_leaf(frame) /* Leaf page */) {
-                ib::info() << bpage->id.space() << " " << bpage->id.page_no() << " ready to move nvdimm.. " << bpage->flush_type;
+               /* ib::info() << bpage->id.space() << " " << bpage->id.page_no() << " ready to move nvdimm.. " << bpage->flush_type;*/
                 bpage->moved_to_nvdimm = true;
                 srv_stats.nvdimm_pages_stored_ol.inc();
             }
@@ -2304,7 +2300,6 @@ buf_flush_single_page_from_LRU(
 
 	buf_pool_mutex_enter(buf_pool);
 
-    ib::info() << "start spf " << buf_pool->instance_no;
 	for (bpage = buf_pool->single_scan_itr.start(), scanned = 0,
 	     freed = false;
 	     bpage != NULL;
@@ -2365,8 +2360,6 @@ buf_flush_single_page_from_LRU(
 
         ut_ad(!mutex_own(block_mutex));
 	}
-    ib::info() << "finish spf " << buf_pool->instance_no << " scanned = " 
-        << scanned << " free? " << freed;
 
 	if (!freed) {
 		/* Can't find a single flushable page. */