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Posted to dev@hbase.apache.org by "Wellington Chevreuil (Jira)" <ji...@apache.org> on 2023/11/20 16:01:00 UTC

[jira] [Created] (HBASE-28211) BucketCache.blocksByHFile may leak on allocationFailure or if we reach io errors tolerated

Wellington Chevreuil created HBASE-28211:
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             Summary: BucketCache.blocksByHFile may leak on allocationFailure or if we reach io errors tolerated
                 Key: HBASE-28211
                 URL: https://issues.apache.org/jira/browse/HBASE-28211
             Project: HBase
          Issue Type: Bug
            Reporter: Wellington Chevreuil
            Assignee: Wellington Chevreuil


We add blocks to BucketCache.blocksByHFile on doDrain before we actually had successfully added the block to the cache. We may still fail to cache the block if it is too big to fit any of the configured bucket sizes, or if we fail to write it in the ioengine and reach the tolerated io errors threshold. In such cases, the related block would remain in the BucketCache.blocksByHFile indefinitely.



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