zimbra 8.8.15 cpu peaks

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nirt
Posts: 21
Joined: Sat Sep 13, 2014 1:54 am

zimbra 8.8.15 cpu peaks

Postby nirt » Tue Apr 07, 2020 9:29 am

Hi,

I have detected that in some hours, we have some cpu peaks (3/4 cores), and process with high cpu usage is this:

top - 10:53:40 up 164 days, 13:45, 1 user, load average: 3.34, 3.53, 3.33
Tasks: 216 total, 1 running, 215 sleeping, 0 stopped, 0 zombie
%Cpu(s): 25.4 us, 1.4 sy, 0.0 ni, 73.2 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 24522480 total, 508104 free, 20646684 used, 3367692 buff/cache
KiB Swap: 4194300 total, 4156688 free, 37612 used. 2243084 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
9416 zimbra 20 0 12.0g 7.4g 15060 S 200.0 31.4 29739:31 java
27075 root 20 0 162020 2204 1520 R 6.2 0.0 0:00.02 top
1 root 20 0 128060 4040 2404 S 0.0 0.0 787:32.27 systemd
2 root 20 0 0 0 0 S 0.0 0.0 1:51.26 kthreadd
4 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H
6 root 20 0 0 0 0 S 0.0 0.0 4:59.28 ksoftirqd/0
7 root rt 0 0 0 0 S 0.0 0.0 4:39.16 migration/0

# ps aux |grep 9416
zimbra 9416 35.0 31.4 12538984 7707580 ? Sl Feb08 29738:25 /opt/zimbra/common/bin/java -Dfile.encoding=UTF-8 -server -Dhttps.protocols=TLSv1,TLSv1.1,TLSv1.2 -Djdk.tls.client.protocols=TLSv1,TLSv1.1,TLSv1.2 -Djava.awt.headless=true -Dsun.net.inetaddr.ttl=60 -Dorg.apache.jasper.compiler.disablejsr199=true -XX:+UseG1GC -XX:SoftRefLRUPolicyMSPerMB=1 -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=15 -XX:G1MaxNewSizePercent=45 -XX:-OmitStackTraceInFastThrow -verbose:gc -Xlog:gc*=info,safepoint=info:file=/opt/zimbra/log/gc.log:time:filecount=20,filesize=10m -Djava.net.preferIPv4Stack=true -Xss256k -Xms6144m -Xmx6144m -Djava.io.tmpdir=/opt/zimbra/mailboxd/work -Djava.library.path=/opt/zimbra/lib -Dzimbra.config=/opt/zimbra/conf/localconfig.xml --module-path /opt/zimbra/mailboxd/common/endorsed -Djetty.base=/opt/zimbra/mailboxd -Djetty.home=/opt/zimbra/common/jetty_home -DSTART=/opt/zimbra/mailboxd/etc/start.config -jar /opt/zimbra/common/jetty_home/start.jar --module=zimbra,server,mail,servlet,servlets,jsp,jstl,jmx,resources,websocket,ext,plus,rewrite,continuation,webapp,setuid jetty.home=/opt/zimbra/common/jetty_home jetty.base=/opt/zimbra/mailboxd /opt/zimbra/mailboxd/etc/jetty.xml



zimbra version is Release 8.8.15_GA_3829.RHEL7_64_20190718141144 RHEL7_64 FOSS edition, Patch 8.8.15_P2.
OS is centos 7 and vm has 24GB RAM and 8vcpus

thanks


Ace Suares
Posts: 49
Joined: Thu Aug 07, 2014 7:26 pm

Re: zimbra 8.8.15 cpu peaks

Postby Ace Suares » Wed Jun 03, 2020 5:30 pm

We have peaks up to 33 and adding 4 CPU's (now 12) doesn't help.

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