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Posted to commits@cassandra.apache.org by "Stefan Podkowinski (JIRA)" <ji...@apache.org> on 2018/04/19 07:36:00 UTC
[jira] [Updated] (CASSANDRA-14400) Subrange repair doesn't always
mark as repaired
[ https://issues.apache.org/jira/browse/CASSANDRA-14400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Podkowinski updated CASSANDRA-14400:
-------------------------------------------
Since Version: 4.0
Fix Version/s: (was: 4.0)
> Subrange repair doesn't always mark as repaired
> -----------------------------------------------
>
> Key: CASSANDRA-14400
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14400
> Project: Cassandra
> Issue Type: Bug
> Reporter: Kurt Greaves
> Priority: Major
>
> So was just messing around with subrange repair on trunk and found that if I generated an SSTable with a single token and then tried to repair that SSTable using subrange repairs it wouldn't get marked as repaired.
>
> Before repair:
> {code:java}
> First token: -9223362383595311662 (derphead4471291)
> Last token: -9223362383595311662 (derphead4471291)
> Repaired at: 0
> Pending repair: 862395e0-4394-11e8-8f20-3b8ee110d005
> {code}
> Repair command:
> {code}
> ccm node1 nodetool "repair -st -9223362383595311663 -et -9223362383595311661 aoeu"
> [2018-04-19 05:44:42,806] Starting repair command #7 (c23f76c0-4394-11e8-8f20-3b8ee110d005), repairing keyspace aoeu with repair options (parallelism: parallel, primary range: false, incremental: true, job threads: 1, ColumnFamilies: [], dataCenters: [], hosts: [], previewKind: NONE, # of ranges: 1, pull repair: false, force repair: false, optimise streams: false)
> [2018-04-19 05:44:42,843] Repair session c242d220-4394-11e8-8f20-3b8ee110d005 for range [(-9223362383595311663,-9223362383595311661]] finished (progress: 20%)
> [2018-04-19 05:44:43,139] Repair completed successfully
> [2018-04-19 05:44:43,140] Repair command #7 finished in 0 seconds
> {code}
> After repair SSTable hasn't changed and sstablemetadata outputs:
> {code}
> First token: -9223362383595311662 (derphead4471291)
> Last token: -9223362383595311662 (derphead4471291)
> Repaired at: 0
> Pending repair: 862395e0-4394-11e8-8f20-3b8ee110d005
> {code}
> And parent_repair_history states that the repair is complete/range was successful:
> {code}
> select * from system_distributed.parent_repair_history where parent_id=862395e0-4394-11e8-8f20-3b8ee110d005 ;
> parent_id | columnfamily_names | exception_message | exception_stacktrace | finished_at | keyspace_name | options | requested_ranges | started_at | successful_ranges
> --------------------------------------+--------------------+-------------------+----------------------+---------------------------------+---------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------------+---------------------------------+-------------------------------------------------
> 862395e0-4394-11e8-8f20-3b8ee110d005 | {'aoeu'} | null | null | 2018-04-19 05:43:14.578000+0000 | aoeu | {'dataCenters': '', 'forceRepair': 'false', 'hosts': '', 'incremental': 'true', 'jobThreads': '1', 'optimiseStreams': 'false', 'parallelism': 'parallel', 'previewKind': 'NONE', 'primaryRange': 'false', 'pullRepair': 'false', 'sub_range_repair': 'true', 'trace': 'false'} | {'(-9223362383595311663,-9223362383595311661]'} | 2018-04-19 05:43:01.952000+0000 | {'(-9223362383595311663,-9223362383595311661]'}
> {code}
> Subrange repairs seem to work fine over large ranges and set {{Repaired at}} as expected, but I haven't figured out why it works for a large range versus a small range so far.
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