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https://issues.apache.org/jira/browse/HDFS-11565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15971230#comment-15971230
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Hudson commented on HDFS-11565:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11591 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11591/])
HDFS-11565. Use compact identifiers for built-in ECPolicies in (wang: rev
966b1b5b44103f3e3952da45da264d76fb3ac384)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocolPB/TestPBHelper.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
* (edit) hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/hdfs.proto
> Use compact identifiers for built-in ECPolicies in HdfsFileStatus
> -----------------------------------------------------------------
>
> Key: HDFS-11565
> URL: https://issues.apache.org/jira/browse/HDFS-11565
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha2
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Blocker
> Labels: hdfs-ec-3.0-must-do
> Fix For: 3.0.0-alpha3
>
> Attachments: HDFS-11565.001.patch, HDFS-11565.002.patch,
> HDFS-11565.003.patch
>
>
> Discussed briefly on HDFS-7337 with Kai Zheng. Quoting our convo:
> {quote}
> From looking at the protos, one other question I had is about the overhead of
> these protos when using the hardcoded policies. There are a bunch of strings
> and ints, which can be kind of heavy since they're added to each
> HdfsFileStatus. Should we make the built-in ones identified by purely an ID,
> with these fully specified protos used for the pluggable policies?
> {quote}
> {quote}
> Sounds like this could be considered separately because, either built-in
> policies or plugged-in polices, the full meta info is maintained either by
> the codes or in the fsimage persisted, so identifying them by purely an ID
> should works fine. If agree, we could refactor the codes you mentioned above
> separately.
> {quote}
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