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https://issues.apache.org/jira/browse/HBASE-6804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans updated HBASE-6804:
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Attachment: HBASE-6804-0.94.patch
Attaching a first pass for 0.94 but I'm planning to just commit to 0.96.
I added a scheduled executor in {{Replication}} that prints out all the
statistics for both the sources and the sink every 5 minutes by default. I had
to add glue methods to get the stats all the way from {{ReplicationSource}} to
{{Replication}} which is not super clean.
This is what the output looks like for a the sink:
bq. 2012-09-17 17:43:08,418 INFO [Replication Statistics #0]
regionserver.Replication$ReplicationStatisticsThread(281): Sink: age in ms of
last applied edit: 15644, total replicated edits: 7350
And for a source:
bq. 2012-09-17 17:42:19,887 INFO [Replication Statistics #0]
regionserver.Replication$ReplicationStatisticsThread(281): Normal source for
cluster 2: Total replicated edits: 1473, currently replicating from:
hdfs://localhost:53235/user/jdcryans/hbase/.logs/h-25-185.sfo.stumble.net,53250,1347928807372/h-25-185.sfo.stumble.net%2C53250%2C1347928807372.1347928936043
at position: 3347
I think I need to do some more work on the "normal" EOFs that occur when
tail'ing a log file.
> [replication] lower the amount of logging to a more human-readable level
> ------------------------------------------------------------------------
>
> Key: HBASE-6804
> URL: https://issues.apache.org/jira/browse/HBASE-6804
> Project: HBase
> Issue Type: Improvement
> Reporter: Jean-Daniel Cryans
> Fix For: 0.96.0
>
> Attachments: HBASE-6804-0.94.patch
>
>
> We need stop logging every time replication decides to do something. It used
> to be extremely useful when the code base was younger but now it should be
> possible to bring it down while keeping it relevant.
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