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From "Jian Yi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17182) Memory leak from openScanner of HBase thrift2
Date Thu, 08 Dec 2016 11:15:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731881#comment-15731881
] 

Jian Yi commented on HBASE-17182:
---------------------------------

This error is because the scanner was removed, getScanner(scannerId) get scanner failed and
throw TIllegalArgument("Invalid scanner Id").

scanPeriod is too small? Maybe getScannerRows costs too much time more than scanPeriod. So
testLongLivedScan need a larger scanPeriod.

> Memory leak from openScanner of HBase thrift2
> ---------------------------------------------
>
>                 Key: HBASE-17182
>                 URL: https://issues.apache.org/jira/browse/HBASE-17182
>             Project: HBase
>          Issue Type: Bug
>          Components: Thrift
>            Reporter: Jian Yi
>            Assignee: Jian Yi
>         Attachments: 17182-V5.patch, 17182-V6.patch, HBASE-17182-V1.patch, HBASE-17182-V2.patch,
HBASE-17182-V3.patch, HBASE-17182-V4.patch, HBASE-17182-V7.patch, HBASE-17182-V8.patch, HBASE-17182-V9.patch,
org.apache.hadoop.hbase.thrift2.TestThriftHBaseServiceHandler-output.txt
>
>
> Client call openScanner, but client (coredump or others) not closeScanner, the scanner
will not be removed from scannerMap.



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