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Posted to issues@hbase.apache.org by "Huaxiang Sun (Jira)" <ji...@apache.org> on 2020/05/15 00:53:00 UTC
[jira] [Commented] (HBASE-24376) MergeNormalizer is merging
non-adjacent regions and causing region overlaps/holes.
[ https://issues.apache.org/jira/browse/HBASE-24376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107812#comment-17107812 ]
Huaxiang Sun commented on HBASE-24376:
--------------------------------------
FYI [~ndimiduk], kind of understand the root cause, will put a patch tomorrow.
> MergeNormalizer is merging non-adjacent regions and causing region overlaps/holes.
> ----------------------------------------------------------------------------------
>
> Key: HBASE-24376
> URL: https://issues.apache.org/jira/browse/HBASE-24376
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 2.3.0
> Reporter: Huaxiang Sun
> Assignee: Huaxiang Sun
> Priority: Blocker
>
> Currently, we found normalizer was merging regions which are non-adjacent, it will cause inconsistencies in the cluster.
> {code:java}
> 439055 2020-05-08 17:47:09,814 INFO org.apache.hadoop.hbase.master.normalizer.MergeNormalizationPlan: Executing merging normalization plan: MergeNormalizationPlan{firstRegion={ENCODED => 47fe236a5e3649ded95cb64ad0c08492, NAME => 'TABLE,\x03\x01\x05\x01\x04\x02,1554838974870.47fe236a5e3649ded95cb64ad 0c08492.', STARTKEY => '\x03\x01\x05\x01\x04\x02', ENDKEY => '\x03\x01\x05\x01\x04\x02\x01\x02\x02201904082200\x00\x00\x03Mac\x00\x00\x00\x00\x00\x00\x00\x00\x00iMac13,1\x00\x00\x00\x00\x00\x049.3-14E260\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x05'}, secondRegion={ENCODED => 0c0f2aa67f4329d5c4 8ba0320f173d31, NAME => 'TABLE,\x03\x01\x05\x02\x01\x01,1554830735526.0c0f2aa67f4329d5c48ba0320f173d31.', STARTKEY => '\x03\x01\x05\x02\x01\x01', ENDKEY => '\x03\x01\x05\x02\x01\x02'}}
> 439056 2020-05-08 17:47:11,438 INFO org.apache.hadoop.hbase.ScheduledChore: CatalogJanitor-*****:16000 average execution time: 1676219193 ns.
> 439057 2020-05-08 17:47:11,730 INFO org.apache.hadoop.hbase.master.HMaster: Client=null/null merge regions [47fe236a5e3649ded95cb64ad0c08492], [0c0f2aa67f4329d5c48ba0320f173d31]
> {code}
>
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