[CentOS] Java/Solr - Could not reserve enough space for object heap.

Rafał Radecki radecki.rafal at gmail.com
Thu Jul 4 08:52:16 UTC 2013


stop/start, I use restart which is stop and start:
start () {
        echo -n $"Starting $prog: "
        if [ -e /var/lock/subsys/solr ]; then
                echo -n $"cannot start solr: solr is already running.";
                failure $"cannot start solr: solr already running.";
                echo
                return 1
        fi
        cd $SOLR_DIR
        daemon $JAVA $JAVA_OPTIONS 2>&1 | /usr/bin/logger -t 'solr' -p info
-- &
        RETVAL=$?
        echo
        [ $RETVAL = 0 ] && touch /var/lock/subsys/solr
        return $RETVAL
}

stop () {
        echo -n $"Stopping $prog: "
        if [ ! -e /var/lock/subsys/solr ]; then
                echo -n $"cannot stop solr: solr is not running."
                failure $"cannot stop solr: solr is not running."
                echo
                return 1;
        fi
        cd $SOLR_DIR
        $JAVA $JAVA_OPTIONS_STOP --stop
        RETVAL=$?
        sleep 2
        echo
        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/solr
        return $RETVAL
}



2013/7/4 Rafał Radecki <radecki.rafal at gmail.com>

> Why "25G x2" -> -Xms minimal, -Xmx maximal?
>
>
> 2013/7/4 Tru Huynh <tru at centos.org>
>
>> On Thu, Jul 04, 2013 at 09:54:49AM +0200, Rafał Radecki wrote:
>> > Hi All.
>> >
>> > # cat /etc/redhat-release
>> > CentOS release 6.2 (Final)
>> you should upgrade to 6.4...
>> >...
>> > I have a solr installation which is invoked:
>> > /usr/bin/java -Xms25g -Xmx25g -DSTOP.PORT=8079 -DSTOP.KEY=mustard
>> > -Dsolr.solr.home=multicore -jar start.jar
>> >
>> > After start/when the java process is running:
>> > # free -m
>> >              total       used       free     shared    buffers
>> cached
>> > Mem:         32093      23975       8118          0        189
>> 5736
>> > -/+ buffers/cache:      18049      14043
>> > Swap:         4095         22       4073
>> >
>> > So the machine has 32GB of RAM, and java process needs 25GB to start.
>> > When I make a restart the java process dies and in log:
>> how do you "restart"? are you sure that your java is stopped before
>> starting it again?
>> 25G x2 > 32(ram) + 4(swap) until the 1st java instance is actually
>> stopped.
>>
>> Tru
>> --
>> Tru Huynh (mirrors, CentOS i386/x86_64 Package Maintenance)
>> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B
>>
>> _______________________________________________
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>>
>>
>



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