Perform global deadlock detection only when cluster is online

knizhnik · kelvich · commit a11fab38c06b · 2018-08-17T15:56:01.000+03:00
diff --git a/multimaster.c b/multimaster.c
@@ -5715,7 +5715,7 @@ static bool
 MtmDetectGlobalDeadLockForXid(TransactionId xid)
 {
 	bool hasDeadlock = false;
-	if (TransactionIdIsValid(xid)) {
+	if (TransactionIdIsValid(xid) && Mtm->status == MTM_ONLINE) {
 		ByteBuffer buf;
 		MtmGraph graph;
 		GlobalTransactionId gtid;

Original file line number	Diff line number	Diff line change
`@@ -5715,7 +5715,7 @@ static bool`
`5715`	`5715`	`MtmDetectGlobalDeadLockForXid(TransactionId xid)`
`5716`	`5716`	`{`
`5717`	`5717`	`bool hasDeadlock = false;`
`5718`		`- if (TransactionIdIsValid(xid)) {`
	`5718`	`+ if (TransactionIdIsValid(xid) && Mtm->status == MTM_ONLINE) {`
`5719`	`5719`	`ByteBuffer buf;`
`5720`	`5720`	`MtmGraph graph;`
`5721`	`5721`	`GlobalTransactionId gtid;`