[jira] [Resolved] (DRILL-2552) ZK disconnect to foreman node results in hung query on client

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-2552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau resolved DRILL-2552.
-----------------------------------
    Resolution: Fixed

Resolved by fixes in root fragment cancellation sequencing.

> ZK disconnect to foreman node results in hung query on client
> -------------------------------------------------------------
>
>                 Key: DRILL-2552
>                 URL: https://issues.apache.org/jira/browse/DRILL-2552
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 0.8.0
>            Reporter: Ramana Inukonda Nagaraj
>            Assignee: Ramana Inukonda Nagaraj
>             Fix For: 1.0.0
>
>
> Steps taken to recreate:
> 1. Startup drillbits on multiple nodes. (They all come up and form a 8 node cluster)
> 2. Start executing a long running query.
> 3. Use TCPKILL to kill all connections between foreman node and zookeeper port 5181. 
> Drill seems to detect the node as gone and cancels the query but there is no communication of this back to the client which is hanging.



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