ddupg commented on a change in pull request #2943:
URL: https://github.com/apache/hbase/pull/2943#discussion_r578107523
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File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.java
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@@ -148,12 +148,10 @@ public void run() {
}
}
} catch (IOException e) { // stream related
+ LOG.error("Failed to read stream of replication entries", e);
Review comment:
Thanks for reviewing.
In our use, we got a case, the read position is greater than the WAL length,
reader thread stuck in retry and no log. We haven't figure out the case, maybe
it's a bug. So hope to print out the error log in time first when unexpected
IOE happens.
So how about logging only when IOE can’t be handled by `handleEofException`?
Only log in unexpected cases?
I just fixed it, please take another review.
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