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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15593) Time limit of scanning should be offered by client
Date Tue, 12 Apr 2016 16:01:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15237439#comment-15237439
] 

stack commented on HBASE-15593:
-------------------------------

That sounds right. We should put priority into request header too to save an expense parse
but that is for another issue.

> Time limit of scanning should be offered by client
> --------------------------------------------------
>
>                 Key: HBASE-15593
>                 URL: https://issues.apache.org/jira/browse/HBASE-15593
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0, 1.1.4
>            Reporter: Phil Yang
>            Assignee: Phil Yang
>         Attachments: HBASE-15593-v1.patch, HBASE-15593-v2.patch, HBASE-15593-v3.patch
>
>
> In RSRpcServices.scan, we will set a time limit equaling to Math.min(scannerLeaseTimeoutPeriod,
rpcTimeout) / 2, and will response heartbeat message if we reach this limit. However, two
timeout settings (hbase.client.scanner.timeout.period and hbase.rpc.timeout) are read from
RS's configure, which may be different from client's. If client's setting is much less than
server's, there may still be timeout at client side.



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