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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2017/11/30 17:24:00 UTC
[jira] [Commented] (SOLR-11708) Streaming SolrJ clients hang for 50
seconds when closing the stream
[ https://issues.apache.org/jira/browse/SOLR-11708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272990#comment-16272990 ]
Erick Erickson commented on SOLR-11708:
---------------------------------------
This is stranger and stranger. If I properly close the stream I can re-use it immediately, the hang is happening _only_ on trying to exit the program.
> Streaming SolrJ clients hang for 50 seconds when closing the stream
> -------------------------------------------------------------------
>
> Key: SOLR-11708
> URL: https://issues.apache.org/jira/browse/SOLR-11708
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 7.0, 7.1, 6.6.2
> Reporter: Erick Erickson
> Attachments: Main.java
>
>
> I'll attach my client program in a second but the gist is that closing a CloudSolrStream hangs the client for about 50 seconds no matter how it's closed.
> Setup:
> - Create a 2-shard, leader-only collection
> - Index a million documents to it
> - run the attached program.
> At the end you'll see the message printed out "We finally stopped", but the program hands for roughly 50 seconds before exiting.
> The hang happens with all these situations:
> - read to EOF tuple
> - stop part way through
> - close in a finally block
> - close with try-with-resources
> In the early-termination case, I do see the following (expected) error in solr's log:
> ERROR - 2017-11-30 16:18:20.024; [c:eoe s:shard2 r:core_node4 x:eoe_shard2_replica_n2] org.apache.solr.common.SolrException; null:Early Client Disconnect
> I see the same behavior in 7.0
> The claim is this worked in earlier 7x versions, 7.0 in particular. I'll test that shortly and report results.
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