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https://issues.apache.org/jira/browse/CASSANDRA-9702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mlowicki updated CASSANDRA-9702:
--------------------------------
Description:
We're using 2.1.x since the very beginning and we always had problem with
failing or slow repair. In one data center we aren't able to finish repair for
many weeks (partially because CASSANDRA-9681 as we needed to reboot nodes
periodically).
I've launched it today morning (12 hours now) and monitor using
https://github.com/spotify/cassandra-opstools/blob/master/bin/spcassandra-repairstats.
For the first hour it progressed to 9.43% but then it took ~10 hours to reach
9.44%. I see very rarely logs related to repair (each 15-20 minutes but
sometimes nothing new for 1 hour).
Repair launched with:
{code}
nodetool repair --partitioner-range --parallel --in-local-dc {keyspace}
{code}
Attached log file from today.
We've ~4.1TB of data in 12 nodes with RF set to 3 (2 DC with 6 nodes each).
was:
We're using 2.1.x since the very beginning and we always had problem with
failing or slow repair. In one data center we aren't able to finish repair for
many weeks (partially because CASSANDRA-9681 as we needed to reboot nodes
periodically).
I've launched it today morning (12 hours now) and monitor using
https://github.com/spotify/cassandra-opstools/blob/master/bin/spcassandra-repairstats.
For the first hour it progressed to 9.43% but then it took ~10 hours to reach
9.44%. I see very rarely logs related to repair (each 15-20 minutes but
sometimes nothing new for 1 hour).
Repair launched with:
{code}
nodetool repair --partitioner-range --parallel --in-local-dc {keyspace}
{code}
Attached log file from today.
> Repair running really slow
> --------------------------
>
> Key: CASSANDRA-9702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9702
> Project: Cassandra
> Issue Type: Bug
> Environment: C* 2.1.7, Debian Wheezy
> Reporter: mlowicki
> Attachments: db1.system.log
>
>
> We're using 2.1.x since the very beginning and we always had problem with
> failing or slow repair. In one data center we aren't able to finish repair
> for many weeks (partially because CASSANDRA-9681 as we needed to reboot nodes
> periodically).
> I've launched it today morning (12 hours now) and monitor using
> https://github.com/spotify/cassandra-opstools/blob/master/bin/spcassandra-repairstats.
> For the first hour it progressed to 9.43% but then it took ~10 hours to
> reach 9.44%. I see very rarely logs related to repair (each 15-20 minutes but
> sometimes nothing new for 1 hour).
> Repair launched with:
> {code}
> nodetool repair --partitioner-range --parallel --in-local-dc {keyspace}
> {code}
> Attached log file from today.
> We've ~4.1TB of data in 12 nodes with RF set to 3 (2 DC with 6 nodes each).
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