we should actually fix the script to pass any args that being with -X straight through to the JVM so we don't need the -a part, i.e.
bin/solr start -XX:+PerfDisableSharedMem vs. bin/solr start -a "-XX:+PerfDisableSharedMem" On Tue, Mar 31, 2015 at 6:43 AM, Erick Erickson <[email protected]> wrote: > Yes and yes. > > the -a option for the bin/solr command passes stuff through, e.g. > > bin/solr start -c -z localhost:2181 -p 8981 -s > example/cloud/node1/solr -a "-Xmx4G -Xms4G" > > and the like. > > It'd be useful I would guess to be able to specify a local file of > options as well I should think. > > Erikc > > On Mon, Mar 30, 2015 at 11:49 PM, Shawn Heisey (JIRA) <[email protected]> wrote: >> >> [ >> https://issues.apache.org/jira/browse/SOLR-7319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14388131#comment-14388131 >> ] >> >> Shawn Heisey commented on SOLR-7319: >> ------------------------------------ >> >> Does the bin/solr script offer a way to send an option directly to the java >> commandline? Should we have the ability to have a local user config script >> (similar to /etc/default/solr but contained within the solr download, with >> both shell and windows versions) to provide additional config? >> >>> Workaround the "Four Month Bug" causing GC pause problems >>> --------------------------------------------------------- >>> >>> Key: SOLR-7319 >>> URL: https://issues.apache.org/jira/browse/SOLR-7319 >>> Project: Solr >>> Issue Type: Bug >>> Components: scripts and tools >>> Affects Versions: 5.0 >>> Reporter: Shawn Heisey >>> Assignee: Shawn Heisey >>> Fix For: 5.1 >>> >>> Attachments: SOLR-7319.patch, SOLR-7319.patch, SOLR-7319.patch >>> >>> >>> A twitter engineer found a bug in the JVM that contributes to GC pause >>> problems: >>> http://www.evanjones.ca/jvm-mmap-pause.html >>> Problem summary (in case the blog post disappears): The JVM calculates >>> statistics on things like garbage collection and writes them to a file in >>> the temp directory using MMAP. If there is a lot of other MMAP write >>> activity, which is precisely how Lucene accomplishes indexing and merging, >>> it can result in a GC pause because the mmap write to the temp file is >>> delayed. >>> We should implement the workaround in the solr start scripts (disable >>> creation of the mmap statistics tempfile) and document the impact in >>> CHANGES.txt. >> >> >> >> -- >> This message was sent by Atlassian JIRA >> (v6.3.4#6332) >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
