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https://issues.apache.org/jira/browse/HIVE-14608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-14608:
------------------------------------
Description:
See comments; this can result in a slowdown esp. if some critical task gets
unlucky.
{noformat}
public void workerNodeRemoved(ServiceInstance serviceInstance) {
// FIXME: disabling this for now
// instanceToNodeMap.remove(serviceInstance.getWorkerIdentity());
{noformat}
was:
...and presumably doesn't disable them for scheduling. I haven't looked in
detail though, I just see some harmless killed tasks in queries after I kill
some LLAP nodes manually between queries
{noformat}
public void workerNodeRemoved(ServiceInstance serviceInstance) {
// FIXME: disabling this for now
// instanceToNodeMap.remove(serviceInstance.getWorkerIdentity());
{noformat}
> LLAP: slow scheduling due to LlapTaskScheduler not removing nodes on kill
> --------------------------------------------------------------------------
>
> Key: HIVE-14608
> URL: https://issues.apache.org/jira/browse/HIVE-14608
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Siddharth Seth
>
> See comments; this can result in a slowdown esp. if some critical task gets
> unlucky.
> {noformat}
> public void workerNodeRemoved(ServiceInstance serviceInstance) {
> // FIXME: disabling this for now
> // instanceToNodeMap.remove(serviceInstance.getWorkerIdentity());
> {noformat}
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