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https://issues.apache.org/jira/browse/SOLR-6675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14234034#comment-14234034
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Forest Soup commented on SOLR-6675:
-----------------------------------
This is our JVM. And we have never tried the latest Solr 4.10.x. Any idea on
how to resolve or workaround it? Thanks!
java version "1.7.0"
Java(TM) SE Runtime Environment (build pxa6470sr6-20131015_01(SR6))
IBM J9 VM (build 2.6, JRE 1.7.0 Linux amd64-64 Compressed References
20131013_170512 (JIT enabled, AOT enabled)
J9VM - R26_Java726_SR6_20131013_1510_B170512
JIT - r11.b05_20131003_47443
GC - R26_Java726_SR6_20131013_1510_B170512_CMPRSS
J9CL - 20131013_170512)
JCL - 20131011_01 based on Oracle 7u45-b18
> Solr webapp deployment is very slow with <jmx/> in solrconfig.xml
> -----------------------------------------------------------------
>
> Key: SOLR-6675
> URL: https://issues.apache.org/jira/browse/SOLR-6675
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.7
> Environment: Linux Redhat 64bit
> Reporter: Forest Soup
> Priority: Critical
> Labels: performance
> Attachments: callstack.png
>
>
> We have a SolrCloud with Solr version 4.7 with Tomcat 7. And our solr
> index(cores) are big(50~100G) each core.
> When we start up tomcat, the solr webapp deployment is very slow. From
> tomcat's catalina log, every time it takes about 10 minutes to get deployed.
> After we analyzing java core dump, we notice it's because the loading process
> cannot finish until the MBean calculation for large index is done.
>
> So we tried to remove the <jmx/> from solrconfig.xml, after that, the loading
> of solr webapp only take about 1 minute. So we can sure the MBean calculation
> for large index is the root cause.
> Could you please point me if there is any async way to do statistic
> monitoring without <jmx/> in solrconfig.xml, or let it do calculation after
> the deployment? Thanks!
> The callstack.png file in the attachment is the call stack of the long
> blocking thread which is doing statistics calculation.
> The catalina log of tomcat:
> INFO: Starting Servlet Engine: Apache Tomcat/7.0.54
> Oct 13, 2014 2:00:29 AM org.apache.catalina.startup.HostConfig deployWAR
> INFO: Deploying web application archive
> /opt/ibm/solrsearch/tomcat/webapps/solr.war
> Oct 13, 2014 2:10:23 AM org.apache.catalina.startup.HostConfig deployWAR
> INFO: Deployment of web application archive
> /opt/ibm/solrsearch/tomcat/webapps/solr.war has finished in 594,325 ms
> <---------------- Time taken for solr app Deployment is about 10 minutes
> -----------
> Oct 13, 2014 2:10:23 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deploying web application directory
> /opt/ibm/solrsearch/tomcat/webapps/manager
> Oct 13, 2014 2:10:26 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deployment of web application directory
> /opt/ibm/solrsearch/tomcat/webapps/manager has finished in 2,035 ms
> Oct 13, 2014 2:10:26 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deploying web application directory
> /opt/ibm/solrsearch/tomcat/webapps/examples
> Oct 13, 2014 2:10:27 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deployment of web application directory
> /opt/ibm/solrsearch/tomcat/webapps/examples has finished in 1,789 ms
> Oct 13, 2014 2:10:27 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deploying web application directory
> /opt/ibm/solrsearch/tomcat/webapps/docs
> Oct 13, 2014 2:10:28 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deployment of web application directory
> /opt/ibm/solrsearch/tomcat/webapps/docs has finished in 1,037 ms
> Oct 13, 2014 2:10:28 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deploying web application directory
> /opt/ibm/solrsearch/tomcat/webapps/ROOT
> Oct 13, 2014 2:10:29 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deployment of web application directory
> /opt/ibm/solrsearch/tomcat/webapps/ROOT has finished in 948 ms
> Oct 13, 2014 2:10:29 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deploying web application directory
> /opt/ibm/solrsearch/tomcat/webapps/host-manager
> Oct 13, 2014 2:10:30 AM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deployment of web application directory
> /opt/ibm/solrsearch/tomcat/webapps/host-manager has finished in 951 ms
> Oct 13, 2014 2:10:31 AM org.apache.coyote.AbstractProtocol start
> INFO: Starting ProtocolHandler ["http-bio-8080"]
> Oct 13, 2014 2:10:31 AM org.apache.coyote.AbstractProtocol start
> INFO: Starting ProtocolHandler ["ajp-bio-8009"]
> Oct 13, 2014 2:10:31 AM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 601506 ms
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