frostruan commented on code in PR #4863:
URL: https://github.com/apache/hbase/pull/4863#discussion_r1014855628
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hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java:
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@@ -467,6 +467,9 @@ public void refreshSources(String peerId) throws
IOException {
ReplicationSourceInterface toRemove = this.sources.put(peerId, src);
if (toRemove != null) {
LOG.info("Terminate replication source for " + toRemove.getPeerId());
+ // Reset sizeOfLogQueue, log will re enqueue to the created new source.
+ toRemove.getSourceMetrics()
Review Comment:
Thanks for review Duo.@Apache9
Sorry, currently have no idea about the rule you mentioned, maybe the rule
is a little complicated.
I think what makes the rule complicated is that we first create the new
ReplicationSource, then replace the old ReplicationSource with the new one, and
then if the old ReplicationSource exists, terminate it. And since HBASE-23231,
we will not clear the old metrics when terminate the old ReplicationSource.
If we adjust the order, first terminate the old ReplicationSource if it
exists and then create and register the new ReplicationSource, the logic of
metric here maybe will be simpler, and of course we can clear the metric when
terminate the old ReplicationSource. But I'm not sure yet, still need to
confirm
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