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Posted to oak-issues@jackrabbit.apache.org by "Tommaso Teofili (JIRA)" <ji...@apache.org> on 2015/04/08 10:47:12 UTC
[jira] [Resolved] (OAK-2718) NodeStateSolrServersObserver performs
complete diff synchronously causing slowness in dispatch
[ https://issues.apache.org/jira/browse/OAK-2718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tommaso Teofili resolved OAK-2718.
----------------------------------
Resolution: Fixed
I've made the {{NodeStateSolrServersObserverService}} registering the {{BackgroundObserver}} only if an OSGi configuration property _enabled_ is set to _true_ in r1672032 (_false_ by default).
> NodeStateSolrServersObserver performs complete diff synchronously causing slowness in dispatch
> ----------------------------------------------------------------------------------------------
>
> Key: OAK-2718
> URL: https://issues.apache.org/jira/browse/OAK-2718
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: oak-solr
> Reporter: Chetan Mehrotra
> Assignee: Tommaso Teofili
> Fix For: 1.2
>
>
> {{NodeStateSolrServersObserver}} is enabled by default and performs diff synchronously. Further it performs complete diff which might take time and would cause the dispatch thread to slowdown.
> This would cause issues at least with {{DocumentNodeStore}} as there the dispatch is done as part of background read and that call is time sensitive.
> As a fix the diff should performed asynchronously and also be selective. A similar fix was done for Lucene index as part of OAK-2570
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