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Change of distribution mechanism to use fake events exclusively and avoid

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complex locking mechanism and blocking the master DCB eent processign thread

Addition of shared BLFILE mechanism to reduce open/close overhead
This commit is contained in:
Mark Riddoch
2014-10-03 14:33:28 +01:00
parent 501d0bcae6
commit fd1154b944
5 changed files with 205 additions and 119 deletions
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8
server/modules/routing/binlog/blr_master.c
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@ -955,6 +955,9 @@ int action;
{
slave->stats.n_overrun++;
slave->overrun = 0;
#if QUEUE_SLAVE
poll_fake_write_event(slave->dcb);
#else
spinlock_release(&router->lock);
slave->cstate &= ~(CS_UPTODATE|CS_DIST);
spinlock_release(&slave->catch_lock);
@ -965,6 +968,7 @@ int action;
continue;
else
break;
#endif
}
else
{
@ -991,6 +995,9 @@ int action;
*/
if (slave->cstate & CS_UPTODATE)
{
#if QUEUE_SLAVE
poll_fake_write_event(slave->dcb);
#else
nextslave = slave->next;
spinlock_release(&router->lock);
LOGIF(LD, (skygw_log_write_flush(LOGFILE_DEBUG,
@ -1016,6 +1023,7 @@ int action;
{
break;
}
#endif
}
}
}