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From "Chen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11920) Ozone : add key partition
Date Fri, 28 Jul 2017 17:36:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16105339#comment-16105339
] 

Chen Liang commented on HDFS-11920:
-----------------------------------

{{TestKeys}} and {{TestKeysRatis}} are consistently failing even without the patch. The other
tests are unrelated and all passed in my local run. 

> Ozone : add key partition
> -------------------------
>
>                 Key: HDFS-11920
>                 URL: https://issues.apache.org/jira/browse/HDFS-11920
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>         Attachments: HDFS-11920-HDFS-7240.001.patch, HDFS-11920-HDFS-7240.002.patch,
HDFS-11920-HDFS-7240.003.patch, HDFS-11920-HDFS-7240.004.patch, HDFS-11920-HDFS-7240.005.patch,
HDFS-11920-HDFS-7240.006.patch, HDFS-11920-HDFS-7240.007.patch, HDFS-11920-HDFS-7240.008.patch
>
>
> Currently, each key corresponds to one single SCM block, and putKey/getKey writes/reads
to this single SCM block. This works fine for keys with reasonably small data size. However
if the data is too huge, (e.g. not even fits into a single container), then we need to be
able to partition the key data into multiple blocks, each in one container. This JIRA changes
the key-related classes to support this.



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