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https://issues.apache.org/jira/browse/SOLR-5477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13881414#comment-13881414
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Anshum Gupta edited comment on SOLR-5477 at 1/24/14 8:45 PM:
-------------------------------------------------------------
Added checking for existing tasks with the same id.
Have a lot of coming up in the logs. Trying to debug that.
{quote}
414075 [Overseer-91131269805768705-10.0.0.3:7574_solr-n_0000000001] WARN
org.apache.solr.cloud.OverseerCollectionProcessor – Overseer cannot talk to ZK
414075 [Thread-16] ERROR org.apache.solr.cloud.Overseer – Exception in
Overseer main queue loop
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /overseer/queue...
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1468)
at
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:256)
at
org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:253)
at
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:73)
{quote}
was (Author: anshumg):
Added checking for existing tasks with the same id.
Have a lot of coming up in the logs. Trying to debug that.
{quote}
414075 [Overseer-91131269805768705-10.0.0.3:7574_solr-n_0000000001] WARN
org.apache.solr.cloud.OverseerCollectionProcessor – Overseer cannot talk to ZK
414075 [Thread-16] ERROR org.apache.solr.cloud.Overseer – Exception in
Overseer main queue loop
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /overseer/queue...
{/quote}
> Async execution of OverseerCollectionProcessor tasks
> ----------------------------------------------------
>
> Key: SOLR-5477
> URL: https://issues.apache.org/jira/browse/SOLR-5477
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud
> Reporter: Noble Paul
> Assignee: Anshum Gupta
> Attachments: SOLR-5477-CoreAdminStatus.patch, SOLR-5477.patch,
> SOLR-5477.patch, SOLR-5477.patch, SOLR-5477.patch, SOLR-5477.patch,
> SOLR-5477.patch, SOLR-5477.patch
>
>
> Typical collection admin commands are long running and it is very common to
> have the requests get timed out. It is more of a problem if the cluster is
> very large.Add an option to run these commands asynchronously
> add an extra param async=true for all collection commands
> the task is written to ZK and the caller is returned a task id.
> as separate collection admin command will be added to poll the status of the
> task
> command=status&id=7657668909
> if id is not passed all running async tasks should be listed
> A separate queue is created to store in-process tasks . After the tasks are
> completed the queue entry is removed. OverSeerColectionProcessor will perform
> these tasks in multiple threads
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