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https://issues.apache.org/jira/browse/HBASE-15593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15226176#comment-15226176
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Phil Yang commented on HBASE-15593:
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And a more general question: Will HBase RPC request contain a timeout from
client? I don't find it but I'm not familiar with HBase RPC. If so we can use
it; if not, there will be an optimization that we can drop rpc requests which
are already timeout.
> 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: 1.1.0
> Reporter: Phil Yang
> Assignee: Phil Yang
>
> 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) is 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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