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https://issues.apache.org/jira/browse/HBASE-12332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200004#comment-14200004
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Jingcheng Du commented on HBASE-12332:
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Hi Jon [~jmhsieh], we will improve the way to read the cloned mob data.
Previously we have four candidate locations, if it's a cloned mob data, it will
have to find four files in the worst case, it really costs a lot.
In the new implementation, we will decide the candidate locations by table
name, the locations has two candidates at the most. The patch will be uploaded
later. Thanks.
With the new patch, the time cost of unit tests drops a lot. Most of
them(except the case of exporting snapshot) are finished within 100 seconds. Do
we still need to move these unit tests to integration tests? Please advise.
Thanks.
> [mob] use filelink instad of retry when resolving an hfilelink.
> ---------------------------------------------------------------
>
> Key: HBASE-12332
> URL: https://issues.apache.org/jira/browse/HBASE-12332
> Project: HBase
> Issue Type: Sub-task
> Components: mob
> Affects Versions: hbase-11339
> Reporter: Jonathan Hsieh
> Fix For: hbase-11339
>
>
> in the snapshot code, hmobstore was modified to traverse an hfile link to a
> mob. Ideally this should use the transparent filelink code to read the data.
> Also there will likely be some issues with the mob file cache with these
> links.
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