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From "Andrey Stepachev (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13647) Default value for hbase.client.operation.timeout is too high
Date Sat, 30 May 2015 08:07:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14565885#comment-14565885
] 

Andrey Stepachev commented on HBASE-13647:
------------------------------------------

[~enis] sure, lets fix that.

did lookup for all places where this timeout used (for 2.0).
|| class || used for || should be ||
| AsyncRpcClient | as netty connection timeout | relates to sockets, so SOCKET_TIMEOUT_CONNECT
is more appropriate |
| HBaseAdmin | used for all calls like createTable | ideally it should be separate and much
larger then 3-5 minutes |
| HRegionServer | used for replica flush call | Integer.MAX not bad for this usecase |
| RegionCoprocessorRpcChannel | used to call coprocessors | separate config option is better,
but regular HBASE_RPC_TIMEOUT_KEY can suite well too |
| RegionReplicaReplicationEndpoint | used to replicate WAL entries | separate config option
is better to allow user to configure how long replication will retry to push WAL edits | 
| HTable (via TableConfiguration) | methods which not use AsyncProcess, as [~enis] mentioned
before | HBASE_RPC_TIMEOUT_KEY is more appropriate as timeout | 

Taking into account this brief scan of usages it seems that we can set not very aggressive
timeout
to 5 or 10 minutes, but need to clean up this in separate jiras.

> Default value for hbase.client.operation.timeout is too high
> ------------------------------------------------------------
>
>                 Key: HBASE-13647
>                 URL: https://issues.apache.org/jira/browse/HBASE-13647
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 1.0.1, 0.98.13, 1.2.0, 1.1.1
>            Reporter: Andrey Stepachev
>            Assignee: Andrey Stepachev
>            Priority: Critical
>             Fix For: 2.0.0, 0.98.13, 1.0.2, 1.2.0, 1.1.1
>
>         Attachments: HBASE-13647.patch
>
>
> Default value for hbase.client.operation.timeout is too high, it is LONG.Max.
> That value will block any service calls to coprocessor endpoints indefinitely.
> Should we introduce better default value for that?



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