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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17487) Potential data loss when pipeline is pushed to snapshot
Date Thu, 19 Jan 2017 02:35:26 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-17487:
---------------------------
    Attachment: 17487.v1.txt

[~anastas]:
Mind taking a look at the patch ?

> Potential data loss when pipeline is pushed to snapshot
> -------------------------------------------------------
>
>                 Key: HBASE-17487
>                 URL: https://issues.apache.org/jira/browse/HBASE-17487
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 17487.v1.txt
>
>
> In CompactingMemStore#pushPipelineToSnapshot() , there is limit of 3 iterations of pipeline.swap()
call after which an empty ImmutableSegment is used as snapshot.
> However, after 3rd iteration, the return value from swap() is not checked.
> If the 3rd swap() call is successful, the versioned list would be swapped with null in
pipeline and snapshot being overwritten with the empty ImmutableSegment.



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