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https://issues.apache.org/jira/browse/HBASE-4422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13120692#comment-13120692
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Jonathan Gray commented on HBASE-4422:
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I have looked at 3446 more. I'm happy with it and confident it makes things
better. Will give the +1.
Re: getting the cache instance from CacheConf, i'm open to other designs, but
this seems best in that we only need one argument for all the caching stuff vs.
a separate reference for the cache itself. What did you have in mind?
Maybe CacheConfig + BlockCache should be somehow combined? Dunno.
> 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
>
>
> 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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