/*
* Request the fault-prober to suspend probes -- no fault actions will
* be taken based on in-flight probes until the prober is unpaused.
*/
bool
gpvars_assign_gp_fts_probe_pause(bool newval, bool doit, GucSource source)
{
if (doit)
{
/*
* We only want to do fancy stuff on the master (where we have a prober).
*/
if (ftsProbeInfo && AmIMaster())
{
/*
* fts_pauseProbes is externally set/cleared;
* fts_cancelProbes is externally set and cleared by FTS
*/
ftsLock();
ftsProbeInfo->fts_pauseProbes = newval;
ftsProbeInfo->fts_discardResults = ftsProbeInfo->fts_discardResults || newval;
ftsUnlock();
/*
* If we're unpausing, we want to force the prober to
* re-read everything. (we want FtsNotifyProber()).
*/
if (!newval)
{
FtsNotifyProber();
}
}
gp_fts_probe_pause = newval;
}
return true;
}
/*
* Test-Connection: This is called from the threaded context inside the
* dispatcher: ONLY CALL THREADSAFE FUNCTIONS -- elog() is NOT threadsafe.
*/
bool
FtsTestConnection(CdbComponentDatabaseInfo *failedDBInfo, bool fullScan)
{
/* master is always reported as alive */
if (failedDBInfo->segindex == MASTER_SEGMENT_ID)
{
return true;
}
if (!fullScan)
{
return FTS_STATUS_ISALIVE(failedDBInfo->dbid, ftsProbeInfo->fts_status);
}
FtsNotifyProber();
return FTS_STATUS_ISALIVE(failedDBInfo->dbid, ftsProbeInfo->fts_status);
}