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Posted to dev@lucene.apache.org by "Uwe Schindler (JIRA)" <ji...@apache.org> on 2018/07/06 13:53:00 UTC
[jira] [Resolved] (LUCENE-8389) Could not limit Lucene's memory
consumption
[ https://issues.apache.org/jira/browse/LUCENE-8389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Uwe Schindler resolved LUCENE-8389.
-----------------------------------
Resolution: Not A Bug
Assignee: Uwe Schindler
> Could not limit Lucene's memory consumption
> -------------------------------------------
>
> Key: LUCENE-8389
> URL: https://issues.apache.org/jira/browse/LUCENE-8389
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Affects Versions: 3.3
> Environment: |Java Version|1.8.0_102|
> |Operating System|Linux 3.12.48-52.27-default|
> |Application Server Container|Apache Tomcat/8.5.6|
> |atabase JNDI address|mysql jdbc:mysql://mo-15e744225:3306/jira?useUnicode=true&characterEncoding=UTF8&sessionVariables=default_storage_engine=InnoDB|
> |Database version|5.6.27|
> |abase driver|MySQL Connector Java mysql-connector-java-5.1.34 ( Revision: jess.balint@oracle.com-20141014163213-wqbwpf1ok2kvo1om )|
> |Version|7.6.1|
> Reporter: changchun huang
> Assignee: Uwe Schindler
> Priority: Major
>
> We are running Jira 7.6.1 with Lucene 3.3 on SLES 12 SP1
> We configured 16GB Jira heap on 64GB server
> However, each time, when we run background re-index, the memory will be used out by Lucene and we could not only limit its memory consumption.
> This definitely will cause overall performance issue on a system with heavy load.
> We have around 500 concurrent users, 400K issues.
> Could you please help to advice if there were workaround or fix for this?
> Thanks.
>
> BTW: I did check a lot and found a blog introducing the new behavior of Lucene 3.3
> [http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html]
>
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