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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3852) ThriftServer leaks scanners
Date Mon, 09 May 2011 21:56:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13030920#comment-13030920
] 

Jean-Daniel Cryans commented on HBASE-3852:
-------------------------------------------

@Alex, I'm not sure I understand what you're saying, by "on disconnect" you mean when client
is done with the server and closes the socket? How do you know that? And what if the client
was scanning but then never comes back?

> ThriftServer leaks scanners
> ---------------------------
>
>                 Key: HBASE-3852
>                 URL: https://issues.apache.org/jira/browse/HBASE-3852
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>            Reporter: Jean-Daniel Cryans
>            Priority: Critical
>             Fix For: 0.92.0
>
>
> The scannerMap in ThriftServer relies on the user to clean it by closing the scanner.
If that doesn't happen, the ResultScanner will stay in the thrift server's memory and if any
pre-fetching was done, it will also start accumulating Results (with all their data).

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