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https://issues.apache.org/jira/browse/HBASE-594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12591184#action_12591184
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Andrew Purtell commented on HBASE-594:
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Not loaded at all. 1 region. No entries.
> tables are being reassigned instead of deleted
> ----------------------------------------------
>
> Key: HBASE-594
> URL: https://issues.apache.org/jira/browse/HBASE-594
> Project: Hadoop HBase
> Issue Type: Bug
> Components: master, regionserver
> Affects Versions: 0.2.0
> Environment: Linux CentOS 5.1 x86_64 / JDK 1.6.0_03
> Reporter: Andrew Purtell
>
> We are running HBase TRUNK (updated yesterday) and Hadoop TRUNK (updated a
> few days ago) on a 15 node cluster. One node doubles as master and region
> server. The remainder are region servers.
> I have been trying to use the HBase shell to drop tables for quite a few
> minutes now.
> The master schedules the table for deletion and the region server processes
> the deletion:
> 08/04/18 16:57:29 INFO master.HMaster: deleted table: content.20b16c29
> 08/04/18 16:57:34 INFO master.ServerManager: 10.30.94.35:60020 no longer
> serving regionname: content.20b16c29,,1208549961323, startKey: <>, endKey:
> <>, encodedName: 385178593, tableDesc: {name: content.20b16c29, families:
> {content:={name: content, max versions: 1, compression: RECORD, in memory:
> false, block cache enabled: true, max length: 2147483647, bloom filter:
> none}, info:={name: info, max versions: 1, compression: NONE, in memory:
> false, block cache enabled: true, maxlength: 2147483647, bloom filter: none}}}
> 08/04/18 16:57:34 INFO master.ProcessRegionClose$1: region closed:
> content.20b16c29,,1208549961323
> but then a META scan happens and the table is reassigned to another server to
> live on as a zombie:
> 08/04/18 16:57:48 INFO master.BaseScanner: RegionManager.metaScanner scanning
> meta region {regionname: .META.,,1, startKey: <>, server: 10.30.94.37:60020}
> 08/04/18 16:57:48 INFO master.BaseScanner: RegionManager.metaScanner scan of
> meta region {regionname: .META.,,1, startKey: <>, server: 10.30.94.37:60020}
> complete
> 08/04/18 16:57:48 INFO master.BaseScanner: all meta regions scanned
> 08/04/18 16:57:49 INFO master.RegionManager: assigning region
> content.20b16c29,,1208549961323 to server 10.30.94.39:60020
> 08/04/18 16:57:52 INFO master.BaseScanner: RegionManager.rootScanner scanning
> meta region {regionname: -ROOT-,,0, startKey: <>, server: 10.30.94.31:60020}
> 08/04/18 16:57:52 INFO master.BaseScanner: RegionManager.rootScanner scan of
> meta region {regionname: -ROOT-,,0, startKey: <>, server: 10.30.94.31:60020}
> complete
> 08/04/18 16:57:52 INFO master.ServerManager: 10.30.94.39:60020 serving
> content.20b16c29,,1208549961323
> 08/04/18 16:57:52 INFO master.ProcessRegionOpen$1: regionname:
> content.20b16c29,,1208549961323, startKey: <>, endKey: <>, encodedName:
> 385178593, tableDesc: {name: content.20b16c29, families: {content:={name:
> content, max versions: 1, compression: RECORD, in memory: false, block cache
> enabled: true, max length: 2147483647, bloom filter: none}, info:={name:
> info, max versions: 1, compression: NONE, in memory: false, block cache
> enabled: true, max length: 2147483647, bloom filter: none}}} open on
> 10.30.94.39:60020
> 08/04/18 16:57:52 INFO master.ProcessRegionOpen$1: updating row
> content.20b16c29,,1208549961323 in table .META.,,1 with startcode
> 1208552149355 and server 10.30.94.39:60020
> Approximately 50 META region scans then happen, then the following occurs and
> reoccurs over many many subsequent META scans:
> 08/04/18 17:26:48 INFO master.BaseScanner: RegionManager.metaScanner scanning
> meta region {regionname: .META.,,1, startKey: <>, server: 10.30.94.37:60020}
> 08/04/18 17:26:48 WARN master.HMaster: info:regioninfo is empty for row:
> content.20b16c29,,1208549961323; has keys: [info:server, info:serverstartcode]
> 08/04/18 17:26:48 WARN master.BaseScanner: Found 1 rows with empty
> HRegionInfo while scanning meta region .META.,,1
> 08/04/18 17:26:48 WARN master.HMaster: Removed region:
> content.20b16c29,,1208549
> 961323 from meta region: .META.,,1 because HRegionInfo was empty
> 08/04/18 17:26:48 INFO master.BaseScanner: RegionManager.metaScanner scan of
> meta region {regionname: .META.,,1, startKey: <>, server: 10.30.94.37:60020}
> complete
> 08/04/18 17:26:48 INFO master.BaseScanner: all meta regions scanned
> yet finally the table disappears for a reason that does not appear in the
> logs... at least for this particular example. There is another table that is
> simply refusing to die...
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