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https://issues.apache.org/jira/browse/STORM-1485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15107431#comment-15107431
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ASF GitHub Bot commented on STORM-1485:
---------------------------------------
GitHub user kishorvpatil opened a pull request:
https://github.com/apache/storm/pull/1027
[STORM-1485] DRPC Connectivity Issues
- ZK-Login-From-AutoTGT thread should not die if TGT in `AutoTGT` has
expired. ( It gives grace 10 minutes before killing worker.) This required
copying and modified `org.apache.zookeeper.Login` class.
- `DRPCClient` should not give up connecting to DRPC after n-retries.
- `ReturnResults` Bolt should retry connection on failure to send results
to DRPC.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kishorvpatil/incubator-storm STORM-1485
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/1027.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1027
----
commit 1325b8d85e95dc81a826d53e7da3094747e2586b
Author: Kishor Patil <[email protected]>
Date: 2016-01-19T17:13:38Z
Original Zookeeper Login Class
commit d3657e27ca82c02c46dd1e89dd6cd80d786711e8
Author: Kishor Patil <[email protected]>
Date: 2016-01-19T17:39:52Z
ZK Login Thread should not stop on TGT expiry, instead it should shutdown
JVM after grace period.
commit c9916d37357c5bdc2795249a7ad8aee3d05e46d4
Author: Kishor Patil <[email protected]>
Date: 2016-01-19T17:58:43Z
DRPCClient should keep trying to connect to DRPC server forever
commit 49c4ef6d274fc7ca17b623edf1ea53001c8eeaa2
Author: Kishor Patil <[email protected]>
Date: 2016-01-19T18:34:14Z
ReturnResults should make 3 attempts to send results to DRPC server, in
case of thrift exceptions.
----
> DRPC Connectivity Issues
> ------------------------
>
> Key: STORM-1485
> URL: https://issues.apache.org/jira/browse/STORM-1485
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Reporter: Kishor Patil
> Assignee: Kishor Patil
>
> We need fixing following issues for DRPC
> 1. DRPCClient should not stop trying to connect to DRPC after certain fixed
> number of retries - because DRPC server may be down for longer duration.
> 2. KerberosSaslTransportPlugin uses zookeeper Login session for creating
> Thread that dies if TGT has expired - which not recoverable state. In such
> scenario, JVM should be restarted gracefully.
> 3. DRPC ReturnResults bolt Should re-retry Connection to DRPC on
> ThriftException while sending results for particular request.
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