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Postfix of bug#45674

Browse source 
rpl_semi_sync_master_wait_sessions was reset by FLUSH STATUS,
which could cause the master fail to wake up waiting sessions and
result in master timeout waiting for slave reply.

rpl_semi_sync_master_wait_session should not be reset, this 
problem is fixed by this patch.


plugin/semisync/semisync_master_plugin.cc:
  Change wait_sessions from SHOW_LONG back to SHOW_FUNC so that it will not be reset by FLUSH STATUS.
This commit is contained in:
He Zhenxing 2009-10-18 20:29:03 +08:00
commit d8dee8cb32
1 changed files with 3 additions and 2 deletions
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5
plugin/semisync/semisync_master_plugin.cc
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@ -278,6 +278,7 @@ Binlog_transmit_observer transmit_observer = {
DEF_SHOW_FUNC(status, SHOW_BOOL)
DEF_SHOW_FUNC(clients, SHOW_LONG)
DEF_SHOW_FUNC(wait_sessions, SHOW_LONG)
DEF_SHOW_FUNC(trx_wait_time, SHOW_LONGLONG)
DEF_SHOW_FUNC(trx_wait_num, SHOW_LONGLONG)
DEF_SHOW_FUNC(net_wait_time, SHOW_LONGLONG)
@ -301,8 +302,8 @@ static SHOW_VAR semi_sync_master_status_vars[]= {
(char*) &rpl_semi_sync_master_no_transactions,
SHOW_LONG},
{"Rpl_semi_sync_master_wait_sessions",
(char*) &rpl_semi_sync_master_wait_sessions,
SHOW_LONG},
(char*) &SHOW_FNAME(wait_sessions),
SHOW_FUNC},
{"Rpl_semi_sync_master_no_times",
(char*) &rpl_semi_sync_master_off_times,
SHOW_LONG},