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Binlog router performance improvements

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This commit is contained in:
Mark Riddoch
2014-10-17 08:38:58 +01:00
parent f459bdfe04
commit 9b3dfc86fe
5 changed files with 47 additions and 9 deletions
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12
server/modules/routing/binlog/blr.c
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@ -174,6 +174,7 @@ int i;
spinlock_init(&inst->lock);
inst->files = NULL;
spinlock_init(&inst->fileslock);
spinlock_init(&inst->binlog_lock);
inst->binlog_fd = -1;
@ -305,6 +306,7 @@ int i;
inst->active_logs = 0;
inst->reconnect_pending = 0;
inst->handling_threads = 0;
inst->rotating = 0;
inst->residual = NULL;
inst->slaves = NULL;
inst->next = NULL;
@ -679,6 +681,8 @@ struct tm tm;
spinlock_stats(&instlock, spin_reporter, dcb);
dcb_printf(dcb, "\tSpinlock statistics (instance lock):\n");
spinlock_stats(&router_inst->lock, spin_reporter, dcb);
dcb_printf(dcb, "\tSpinlock statistics (binlog position lock):\n");
spinlock_stats(&router_inst->binlog_lock, spin_reporter, dcb);
#endif
if (router_inst->slaves)
@ -743,9 +747,11 @@ struct tm tm;
dcb_printf(dcb, "\t\tNo. of distribute action 3 %u\n", session->stats.n_actions[2]);
if ((session->cstate & CS_UPTODATE) == 0)
{
dcb_printf(dcb, "\t\tSlave is in catchup mode. %s\n",
((session->cstate & CS_EXPECTCB) == 0 ? "" :
"Waiting for DCB queue to drain."));
dcb_printf(dcb, "\t\tSlave is in catchup mode. %s%s\n",
((session->cstate & CS_EXPECTCB) == 0 ? "" :
"Waiting for DCB queue to drain."),
((session->cstate & CS_BUSY) == 0 ? "" :
" Busy in slave catchup."));
}
else