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WL#775 "Add status variable identifying binlog_cache_size shortage"

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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
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4
sql/mysqld.cc
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@ -297,6 +297,7 @@ ulong select_range_check_count, select_range_count, select_scan_count;
ulong select_full_range_join_count,select_full_join_count;
ulong specialflag=0,opened_tables=0,created_tmp_tables=0,
created_tmp_disk_tables=0;
ulong binlog_cache_use= 0, binlog_cache_disk_use= 0;
ulong max_connections,max_used_connections,
max_connect_errors, max_user_connections = 0;
ulong thread_id=1L,current_pid;
@ -4719,6 +4720,8 @@ The minimum value for this variable is 4096.",
struct show_var_st status_vars[]= {
{"Aborted_clients", (char*) &aborted_threads, SHOW_LONG},
{"Aborted_connects", (char*) &aborted_connects, SHOW_LONG},
{"Binlog_cache_disk_use", (char*) &binlog_cache_disk_use, SHOW_LONG},
{"Binlog_cache_use", (char*) &binlog_cache_use, SHOW_LONG},
{"Bytes_received", (char*) &bytes_received, SHOW_LONG},
{"Bytes_sent", (char*) &bytes_sent, SHOW_LONG},
{"Com_admin_commands", (char*) &com_other, SHOW_LONG},
@ -5013,6 +5016,7 @@ static void mysql_init_variables(void)
filesort_merge_passes= select_range_check_count= select_range_count= 0;
select_scan_count= select_full_range_join_count= select_full_join_count= 0;
specialflag= opened_tables= created_tmp_tables= created_tmp_disk_tables= 0;
binlog_cache_use= binlog_cache_disk_use= 0;
max_used_connections= slow_launch_threads = 0;
max_sort_char= 0;
mysqld_user= mysqld_chroot= opt_init_file= opt_bin_logname = 0;