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https://issues.apache.org/jira/browse/HBASE-19969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16394494#comment-16394494
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Hudson commented on HBASE-19969:
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Results for branch master
        [build #259 on 
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/259/]: (x) 
*{color:red}-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/259//General_Nightly_Build_Report/]




(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2) 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/259//JDK8_Nightly_Build_Report_(Hadoop2)/]


(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/259//JDK8_Nightly_Build_Report_(Hadoop3)/]


(/) {color:green}+1 source release artifact{color}
-- See build output for details.


> Improve fault tolerance in backup merge operation
> -------------------------------------------------
>
>                 Key: HBASE-19969
>                 URL: https://issues.apache.org/jira/browse/HBASE-19969
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: 19969-v4.patch, HBASE-19969-v1.patch, 
> HBASE-19969-v2.patch, HBASE-19969-v3.patch
>
>
> Some file system operations are not fault tolerant during merge. We delete 
> backup data in a backup file system, then copy new data over to backup 
> destination. Deletes can be partial, copy can fail as well



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