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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12218) Rename split EC / replicated block metrics in BlockManager
Date Sat, 02 Sep 2017 01:50:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-12218:
-------------------------------
    Hadoop Flags: Incompatible change
    Release Note: 
This renames ClientProtocol#getECBlockGroupsStats to ClientProtocol#getEcBlockGroupStats and
ClientProtocol#getBlockStats to ClientProtocol#getReplicatedBlockStats. The return-type classes
have also been similarly renamed. Their fields have also been renamed to drop the "stats"
suffix.

Additionally, ECBlockGroupStats#pendingDeletionBlockGroups has been renamed to ECBlockGroupStats#pendingDeletionBlocks,
to clarify that this is the number of blocks, not block groups, pending deletion. The corresponding
NameNode metric has also been renamed to PendingDeletionECBlocks.

> Rename split EC / replicated block metrics in BlockManager
> ----------------------------------------------------------
>
>                 Key: HDFS-12218
>                 URL: https://issues.apache.org/jira/browse/HDFS-12218
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: erasure-coding, metrics
>    Affects Versions: 3.0.0-beta1
>            Reporter: Andrew Wang
>         Attachments: 0001-Rename-ECBlockGroupsStats-to-ECBlockGroupStats-and-B.patch,
0002-Deeper-rename-of-BlocksStats-to-BlockStats-and-ECBlo.patch, HDFS-12218.consolidated.001.patch
>
>
> Noted in HDFS-12206, we should propagate the naming changes made in HDFS-12206 for FSNamesystem
into BlockManager and related classes. Also an opportunity to clarify usage of "ECBlocks"
vs "ECBlockGroups" in some names.



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