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https://issues.apache.org/jira/browse/CASSANDRA-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yuki Morishita resolved CASSANDRA-9668.
---------------------------------------
Resolution: Not A Problem
bq. This suggest running concurrent repairs (with -pr) is not possible. Is this
true?
It is _possible_ to run incremental repair concurrently if repairing range does
not overwrap on any replica node each other, due to the fact that Cassandra
holds SSTables for anticompaction in later stage of repair.
If you are using vnodes, then it is not likely to do incremental repair with
'-pr' concurrently, because ranges will likely to overwrap within SSTables.
In the future, CASSANDRA-6696 can resolve the issue though.
> RepairException when trying to run concurrent repair -pr
> --------------------------------------------------------
>
> Key: CASSANDRA-9668
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9668
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Cassandra 2.1.7
> Reporter: david
> Assignee: Yuki Morishita
> Priority: Critical
> Fix For: 2.1.x
>
>
> Was on 2.1.3 having very similar issues to those described in:
> https://issues.apache.org/jira/browse/CASSANDRA-9266
> I updated to 2.1.7, more for some other fixes, but now if I try and run
> concurrent repairs (different boxes) consistently get:
> {noformat}
> ERROR [Thread-14156] 2015-06-28 09:33:12,616 StorageService.java:2959 -
> Repair session b1e67660-1d78-11e5-aec7-4f05493cbe02 for range
> (-4660677346721084182,-4658765298409301171] failed with error
> org.apache.cassandra.exceptions.RepairException: [repair
> #b1e67660-1d78-11e5-aec7-4f05493cbe02 on keyspace/data,
> (-4660677346721084182,-4658765298409301171]] Validation failed in
> /172.31.13.127
> java.util.concurrent.ExecutionException: java.lang.RuntimeException:
> org.apache.cassandra.exceptions.RepairException: [repair
> #b1e67660-1d78-11e5-aec7-4f05493cbe02 on keyspace/data,
> (-4660677346721084182,-4658765298409301171]] Validation failed in
> /172.31.13.127
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> [na:1.8.0_40]
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> [na:1.8.0_40]
> at
> org.apache.cassandra.service.StorageService$4.runMayThrow(StorageService.java:2950)
> ~[apache-cassandra-2.1.7.jar:2.1.7]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> [apache-cassandra-2.1.7.jar:2.1.7]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_40]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [na:1.8.0_40]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40]
> Caused by: java.lang.RuntimeException:
> org.apache.cassandra.exceptions.RepairException: [repair
> #b1e67660-1d78-11e5-aec7-4f05493cbe02 on keyspace/data,
> (-4660677346721084182,-4658765298409301171]] Validation failed in
> /172.31.13.127
> at com.google.common.base.Throwables.propagate(Throwables.java:160)
> ~[guava-16.0.jar:na]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:32)
> [apache-cassandra-2.1.7.jar:2.1.7]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_40]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [na:1.8.0_40]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[na:1.8.0_40]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> ~[na:1.8.0_40]
> ... 1 common frames omitted
> Caused by: org.apache.cassandra.exceptions.RepairException: [repair
> #b1e67660-1d78-11e5-aec7-4f05493cbe02 on keyspace/data,
> (-4660677346721084182,-4658765298409301171]] Validation failed in
> /172.31.13.127
> at
> org.apache.cassandra.repair.RepairSession.validationComplete(RepairSession.java:166)
> ~[apache-cassandra-2.1.7.jar:2.1.7]
> at
> org.apache.cassandra.service.ActiveRepairService.handleMessage(ActiveRepairService.java:406)
> ~[apache-cassandra-2.1.7.jar:2.1.7]
> at
> org.apache.cassandra.repair.RepairMessageVerbHandler.doVerb(RepairMessageVerbHandler.java:134)
> ~[apache-cassandra-2.1.7.jar:2.1.7]
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:62)
> ~[apache-cassandra-2.1.7.jar:2.1.7]
> ... 3 common frames omitted
> {noformat}
> The specific repair command being issued:
> {noformat}
> nodetool repair -local -pr -inc -par -- keyspace &
> {noformat}
> It's a 15 box environment with a replication factor of 3.
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