database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-31 22:22:30 +03:00
Code Activity

WL#775 "Add status variable identifying binlog_cache_size shortage"

Browse Source 
Added two status variables: 
  binlog_cache_use - counts number of transactions that used somehow
    transaction temporary binary log.
  binlog_cache_disk_use - counts number of transactions that required
    disk I/O for storing info in this this binary log.
This commit is contained in:
dlenev@jabberwock.localdomain
2004-04-02 00:47:20 +04:00
parent ad7e09dec4
commit a80f46bfdf
9 changed files with 77 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/my_sys.h
View File

@@ -412,6 +412,11 @@ typedef struct st_io_cache /* Used when cacheing files */
IO_CACHE_CALLBACK pre_read;
IO_CACHE_CALLBACK post_read;
IO_CACHE_CALLBACK pre_close;
/*
Counts the number of times, when we were forced to use disk. We use it to
increase the binlog_cache_disk_use status variable.
*/
ulong disk_writes;
void* arg; /* for use by pre/post_read */
char *file_name; /* if used with 'open_cached_file' */
char *dir,*prefix;