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https://issues.apache.org/jira/browse/HBASE-19065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217471#comment-16217471
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Hadoop QA commented on HBASE-19065:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue}  0m  
3s{color} | {color:blue} The patch file was not named according to hbase's 
naming conventions. Please see 
https://yetus.apache.org/documentation/0.4.0/precommit-patchnames for 
instructions. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} 
| {color:red} HBASE-19065 does not apply to master. Rebase required? Wrong 
Branch? See https://yetus.apache.org/documentation/0.4.0/precommit-patchnames 
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-19065 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12893776/19065.v2.txt |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9386/console |
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This message was automatically generated.



> HRegion#bulkLoadHFiles() should wait for concurrent Region#flush() to finish
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-19065
>                 URL: https://issues.apache.org/jira/browse/HBASE-19065
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 19065.v1.txt, 19065.v2.txt, 19065.v2.txt
>
>
> When I was debugging bulk load failure, I saw the following in region server 
> log:
> {code}
> 2017-10-17 23:05:28,795 DEBUG 
> [B.defaultRpcServer.handler=0,queue=0,port=16020] regionserver.HRegion: NOT 
> flushing memstore for region mx_,         
> f449669a8b0341e4edbd2ebdacc72094f449669a8b0341e4edbd2ebdacc7209420150711,1504909319142.52d496ba39036e0c2cc9522895ad438f.,
>  flushing=true, writesEnabled=true
> 2017-10-17 23:05:28,796 ERROR 
> [B.defaultRpcServer.handler=0,queue=0,port=16020] 
> access.SecureBulkLoadEndpoint: Failed to complete bulk load
> java.io.IOException: Could not bulk load with an assigned sequential ID 
> because the flush didn't run. Reason for not flushing: Not flushing since 
> already flushing
>   at 
> org.apache.hadoop.hbase.regionserver.HRegion.bulkLoadHFiles(HRegion.java:5282)
>   at 
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint$1.run(SecureBulkLoadEndpoint.java:292)
>   at 
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint$1.run(SecureBulkLoadEndpoint.java:275)
> {code}
> There was concurrent flush which got misinterpreted by bulkLoadHFiles().
> HRegion#bulkLoadHFiles() should wait for the concurrent flush to complete.



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