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From "Jonathan Gray (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4589) CacheOnWrite broken in some cases because it can conflict with evictOnClose
Date Fri, 14 Oct 2011 06:04:11 GMT
CacheOnWrite broken in some cases because it can conflict with evictOnClose
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                 Key: HBASE-4589
                 URL: https://issues.apache.org/jira/browse/HBASE-4589
             Project: HBase
          Issue Type: Bug
          Components: io
    Affects Versions: 0.92.0, 0.94.0
            Reporter: Jonathan Gray
            Assignee: Jonathan Gray
            Priority: Critical
             Fix For: 0.92.0


Commit of HBASE-4078 added some extra StoreFile verification which just did an open of a StoreFile
reader and then closes it, ensuring there's no exception.  If evict-on-close is on, which
it is by default, this causes all blocks of a file to be evicted even though it's still open.

We need to add the boolean into the close call in the way we have booleans for cacheBlocks
at some point since we need to make localized decisions in some cases.

In lots of places, we can always rely on cacheConf.shouldEvictOnClose() so shouldn't be too
burdensome.

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