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Posted to issues@hbase.apache.org by "zbq.dean (Jira)" <ji...@apache.org> on 2019/09/20 07:59:00 UTC

[jira] [Created] (HBASE-23056) Block count is 0 when BucketCache using persistent IOEngine and retrieve from file

zbq.dean created HBASE-23056:
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             Summary: Block count is 0 when BucketCache using persistent IOEngine and retrieve from file 
                 Key: HBASE-23056
                 URL: https://issues.apache.org/jira/browse/HBASE-23056
             Project: HBase
          Issue Type: Bug
          Components: BucketCache
    Affects Versions: 2.2.1, 1.5.0, master
            Reporter: zbq.dean
         Attachments: after_RS_restart.png, before_RS_restart.png

We use FileIOEngine to store and read block data in BucketCache. Before stop RS, the BucketCache metrics in WebUI is like before_RS_restart.png, the block count is 3. When stop RS, the backing map is persistent to file. And then start RS, the metrics is like after_RS_restart.png, the block count is 0, but the size of blocks is correct. 



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