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Posted to hdfs-issues@hadoop.apache.org by "Andrew Wang (JIRA)" <ji...@apache.org> on 2017/01/18 22:52:26 UTC
[jira] [Updated] (HDFS-8032) Erasure coding: shrink size of indices
in BlockInfoStriped
[ https://issues.apache.org/jira/browse/HDFS-8032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Wang updated HDFS-8032:
------------------------------
Parent Issue: HDFS-8425 (was: HDFS-8031)
> Erasure coding: shrink size of indices in BlockInfoStriped
> ----------------------------------------------------------
>
> Key: HDFS-8032
> URL: https://issues.apache.org/jira/browse/HDFS-8032
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
>
> In a _m+k_ erasure coding schema, the first _(m+k)_ slots in {{BlockInfoStriped}} do not need indexing, since the _ith_ storage directly maps to the _ith_ block in the erasure coding block group.
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