Alex Newman created HBASE-9286:
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Summary: ageOfLastShippedOp replication metric doesn't update if
the regionserver is updated
Key: HBASE-9286
URL: https://issues.apache.org/jira/browse/HBASE-9286
Project: HBase
Issue Type: Bug
Reporter: Alex Newman
In replicationmanager
HRegionInterface rrs = getRS();
rrs.replicateLogEntries(Arrays.copyOf(this.entriesArray,
currentNbEntries));
....
this.metrics.setAgeOfLastShippedOp(
this.entriesArray[currentNbEntries-1].getKey().getWriteTime());
break;
which makes but is wrong. The problem is that rrs.replicateLogEntries will
block for a very long time if the slave server is for instance suspended.
However this is easy to fix. We just need to call
refreshAgeOfLastShippedOp();
on a regular basis, in a different thread. I've attached a patch which fixed
this for cdh4. I can make one for trunk and the like as well if you need me to
do but it's a small change.
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