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https://issues.apache.org/jira/browse/HBASE-24247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17096668#comment-17096668
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Hudson commented on HBASE-24247:
--------------------------------
Results for branch master
[build #1713 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/1713/]: (/)
*{color:green}+1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1713/General_20Nightly_20Build_20Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1475//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1713/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1713/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Failed multi-merge because two regions not adjacent (legitimately).
> -------------------------------------------------------------------
>
> Key: HBASE-24247
> URL: https://issues.apache.org/jira/browse/HBASE-24247
> Project: HBase
> Issue Type: Bug
> Components: hbck2
> Reporter: Michael Stack
> Assignee: Michael Stack
> Priority: Major
> Fix For: 3.0.0, 2.3.0
>
>
> Below is a multi-merge created by FixMeta provoked by 'hbck2 fixMeta'. The
> merge is legitimate in that indeed all Regions overlap. The merge is cutoff
> off at the current max of 10 Regions-at-a-time (which is another issue). The
> merge fails though because two Regions in the Set of Regions to merge are not
> adjacent when we do our pre-flight check. We could 'force' the merge but
> better if the 'check' is improved.
> {code}
> 2020-04-22 22:04:57,048 WARN
> org.apache.hadoop.hbase.master.assignment.MergeTableRegionsProcedure: Unable
> to merge non-adjacent or non-overlapping regions
> 50b9f911320f64d0ab54a7606a6cdb77, 15877a8df3987176b12a2e2c4712c95f when
> force=false
> 2020-04-22 22:04:57,048 WARN org.apache.hadoop.hbase.master.MetaFixer: Failed
> overlap fix of [{ENCODED => 6f880442573f4ca0c2536ce2352e4883, NAME =>
> 'X,,1567882650838.6f880442573f4ca0c2536ce2352e4883.', STARTKEY => '', ENDKEY
> =>
> '\x01\x02\x05\x01\x03\x02\x01\x01\x01\x01\x02201908310200\x00\x00\x048.1-11B117\x00\x00\x00\x00\x00\x00iPad4,1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'},
> {ENCODED => 98af7f02916e014c07ac099724c7ffaf, NAME =>
> 'X,\x01\x01\x05\x01\x01,1558718898305.98af7f02916e014c07ac099724c7ffaf.',
> STARTKEY => '\x01\x01\x05\x01\x01', ENDKEY => '\x01\x01\x05\x01\x02'},
> {ENCODED => d1a0b8772432c1148cdf7a8fad8e770c, NAME =>
> 'X,\x01\x01\x05\x01\x02,1558718898305.d1a0b8772432c1148cdf7a8fad8e770c.',
> STARTKEY => '\x01\x01\x05\x01\x02', ENDKEY => '\x01\x01\x05\x01\x03'},
> {ENCODED => 99738e58d057dafb861116a3efcb0285, NAME =>
> 'X,\x01\x01\x05\x01\x03,1558718898305.99738e58d057dafb861116a3efcb0285.',
> STARTKEY => '\x01\x01\x05\x01\x03', ENDKEY => '\x01\x01\x05\x02\x01'},
> {ENCODED => 50b9f911320f64d0ab54a7606a6cdb77, NAME =>
> 'X,\x01\x01\x05\x02\x01,1558718898305.50b9f911320f64d0ab54a7606a6cdb77.',
> STARTKEY => '\x01\x01\x05\x02\x01', ENDKEY => '\x01\x01\x05\x02\x02'},
> {ENCODED => 15877a8df3987176b12a2e2c4712c95f, NAME =>
> 'X,\x01\x01\x05\x02\x03,1558718898305.15877a8df3987176b12a2e2c4712c95f.',
> STARTKEY => '\x01\x01\x05\x02\x03', ENDKEY => '\x01\x01\x06\x01\x01'},
> {ENCODED => d5f0929fffbaec29ca99d4d0cd90c491, NAME =>
> 'X,\x01\x01\x06\x01\x01,1558718898305.d5f0929fffbaec29ca99d4d0cd90c491.',
> STARTKEY => '\x01\x01\x06\x01\x01', ENDKEY => '\x01\x01\x06\x01\x02'},
> {ENCODED => 8d72ed0d1d635511a323abef7026ec4f, NAME =>
> 'X,\x01\x01\x06\x01\x03,1558718898305.8d72ed0d1d635511a323abef7026ec4f.',
> STARTKEY => '\x01\x01\x06\x01\x03', ENDKEY => '\x01\x01\x06\x02\x01'},
> {ENCODED => 977f5a0e2f77a91531000d358f9a8eba, NAME =>
> 'X,\x01\x01\x06\x02\x01,1558718898305.977f5a0e2f77a91531000d358f9a8eba.',
> STARTKEY => '\x01\x01\x06\x02\x01', ENDKEY => '\x01\x01\x06\x02\x02'},
> {ENCODED => 21cdc09d13ae1ecefc6531786229f2ec, NAME =>
> 'X,\x01\x01\x06\x02\x03,1558718898305.21cdc09d13ae1ecefc6531786229f2ec.',
> STARTKEY => '\x01\x01\x06\x02\x03', ENDKEY => '\x01\x01\x07\x01\x01'}]
> org.apache.hadoop.hbase.exceptions.MergeRegionException: Unable to merge
> non-adjacent or non-overlapping regions 50b9f911320f64d0ab54a7606a6cdb77,
> 15877a8df3987176b12a2e2c4712c95f when force=false
> at
> org.apache.hadoop.hbase.master.assignment.MergeTableRegionsProcedure.checkRegionsToMerge(MergeTableRegionsProcedure.java:140)
> at
> org.apache.hadoop.hbase.master.assignment.MergeTableRegionsProcedure.<init>(MergeTableRegionsProcedure.java:105)
> at org.apache.hadoop.hbase.master.HMaster$2.run(HMaster.java:1961)
> at
> org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.submitProcedure(MasterProcedureUtil.java:134)
> at
> org.apache.hadoop.hbase.master.HMaster.mergeRegions(HMaster.java:1955)
> at
> org.apache.hadoop.hbase.master.MetaFixer.fixOverlaps(MetaFixer.java:221)
> at org.apache.hadoop.hbase.master.MetaFixer.fix(MetaFixer.java:77)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.fixMeta(MasterRpcServices.java:2649)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$HbckService$2.callBlockingMethod(MasterProtos.java)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:388)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:133)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:338)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:318)
> {code}
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