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Posted to dev@hbase.apache.org by "Zhao (JIRA)" <ji...@apache.org> on 2019/08/12 14:12:00 UTC

[jira] [Created] (HBASE-22836) MemcachedBlockCache parameter error

Zhao created HBASE-22836:
----------------------------

             Summary: MemcachedBlockCache parameter error
                 Key: HBASE-22836
                 URL: https://issues.apache.org/jira/browse/HBASE-22836
             Project: HBase
          Issue Type: Bug
          Components: BlockCache
    Affects Versions: 1.4.10, 1.4.9
            Reporter: Zhao


When cache a block，the expiration is always set MAX_SIZE (which is a static final field).

MAX_SIZE was mistakenly thought to be the max size of block. In fact, this parameter represents the expiration of the cached block. MAX_SIZE should be set 0 which means forever.



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