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https://issues.apache.org/jira/browse/HBASE-4422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196505#comment-13196505
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Phabricator commented on HBASE-4422:
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mbautin has commented on the revision "[jira] [HBASE-4422] [89-fb] Move block
cache parameters and references into single CacheConfig class".
INLINE COMMENTS
src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV1.java:294 s/form
metrics/for metrics/
REVISION DETAIL
https://reviews.facebook.net/D1341
> Move block cache parameters and references into single CacheConf class
> ----------------------------------------------------------------------
>
> Key: HBASE-4422
> URL: https://issues.apache.org/jira/browse/HBASE-4422
> Project: HBase
> Issue Type: Improvement
> Components: io
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Fix For: 0.92.0
>
> Attachments: CacheConfig92-v8.patch, D1341.1.patch,
> HBASE-4422-FINAL-branch92.patch, HBASE-4422-FINAL-trunk.patch
>
>
> From StoreFile down to HFile, we currently use a boolean argument for each of
> the various block cache configuration parameters that exist. The number of
> parameters is going to continue to increase as we look at compressed cache,
> delta encoding, and more specific L1/L2 configuration. Every new config
> currently requires changing many constructors because it introduces a new
> boolean.
> We should move everything into a single class so that modifications are much
> less disruptive.
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