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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2011/05/06 18:44:03 UTC
[jira] [Updated] (HBASE-3417) CacheOnWrite is using the temporary
output path for block names, need to use a more consistent block naming
scheme
[ https://issues.apache.org/jira/browse/HBASE-3417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-3417:
-------------------------
Status: Patch Available (was: Open)
This patch did not go in. Want me to massage it in?
> CacheOnWrite is using the temporary output path for block names, need to use a more consistent block naming scheme
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-3417
> URL: https://issues.apache.org/jira/browse/HBASE-3417
> Project: HBase
> Issue Type: Bug
> Components: io, regionserver
> Affects Versions: 0.92.0
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: HBASE-3417-v1.patch, HBASE-3417-v2.patch, HBASE-3417-v5.patch
>
>
> Currently the block names used in the block cache are built using the filesystem path. However, for cache on write, the path is a temporary output file.
> The original COW patch actually made some modifications to block naming stuff to make it more consistent but did not do enough. Should add a separate method somewhere for generating block names using some more easily mocked scheme (rather than just raw path as we generate a random unique file name twice, once for tmp and then again when moved into place).
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