JAVA_OPTS="-Djava.awt.headless=true -Dcom.sun.management.jmxremote.port=45219 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Xmx512m -Xms512m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/cloudstack/management/ -XX:PermSize=256M"
Which did not help. -------------- [root@localhost management]# cat /proc/meminfo MemTotal: 1016656 kB MemFree: 68400 kB Buffers: 9108 kB Cached: 20984 kB SwapCached: 17492 kB Active: 424152 kB Inactive: 433152 kB Active(anon): 409812 kB Inactive(anon): 417412 kB Active(file): 14340 kB Inactive(file): 15740 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 2031608 kB SwapFree: 1840900 kB Dirty: 80 kB Writeback: 0 kB AnonPages: 815460 kB Mapped: 11408 kB Shmem: 4 kB Slab: 60120 kB SReclaimable: 10368 kB SUnreclaim: 49752 kB KernelStack: 5216 kB PageTables: 6800 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 2539936 kB Committed_AS: 1596896 kB VmallocTotal: 34359738367 kB VmallocUsed: 7724 kB VmallocChunk: 34359718200 kB HardwareCorrupted: 0 kB AnonHugePages: 503808 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 6144 kB DirectMap2M: 1038336 kB [root@localhost management]# ----------------------------- PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 9809 cloud 20 0 2215m 785m 4672 S 0.7 79.1 1:59.40 java 1497 mysql 20 0 700m 15m 3188 S 0.3 1.5 23:04.58 mysqld 1 root 20 0 19348 300 296 S 0.0 0.0 0:00.73 init On 2/20/13 8:26 PM, "Sailaja Mada" <sailaja.m...@citrix.com> wrote: >Hi, > >Cloudstack Java process statistics are given below when it stops >responding are given below : > >top - 09:52:03 up 4 days, 21:43, 2 users, load average: 0.06, 0.05, 0.02 >Tasks: 1 total, 0 running, 1 sleeping, 0 stopped, 0 zombie >Cpu(s): 1.7%us, 0.7%sy, 0.0%ni, 97.3%id, 0.3%wa, 0.0%hi, 0.0%si, >0.0%st >Mem: 1014860k total, 947632k used, 67228k free, 5868k buffers >Swap: 2031608k total, 832320k used, 1199288k free, 26764k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >12559 cloud 20 0 3159m 744m 4440 S 2.3 75.1 6:38.39 java > >Thanks, >Sailaja.M > >-----Original Message----- >From: Marcus Sorensen [mailto:shadow...@gmail.com] >Sent: Thursday, February 21, 2013 9:35 AM >To: cloudstack-dev@incubator.apache.org >Subject: Re: [DISCUSS] Management Server Memory Requirements > >Yes, these are great data points, but so far nobody has responded on that >ticket with the information required to know if the slowness is related >to memory settings or swapping. That was just a hunch on my part from >being a system admin. > >How much memory do these systems have that experience issues? What does >/proc/meminfo say during the issues? Does adjusting the tomcat6.conf >memory settings make a difference (see ticket comments)? How much memory >do the java processes list as resident in top? >On Feb 20, 2013 8:53 PM, "Parth Jagirdar" <parth.jagir...@citrix.com> >wrote: > >> +1 Performance degradation is dramatic and I too have observed this >>issue. >> >> I have logged my comments into 1339. >> >> >> ŠParth >> >> On 2/20/13 7:34 PM, "Srikanteswararao Talluri" >> <srikanteswararao.tall...@citrix.com> wrote: >> >> >To add to what Marcus mentioned, >> >Regarding bug CLOUDSTACK-1339 : I have observed this issue within >> >5-10 min of starting management server and there has been a lot of >> >API requests through automated tests. It is observed that Management >> >server not only slows down but also goes down after a while. >> > >> >~Talluri >> > >> >-----Original Message----- >> >From: Marcus Sorensen [mailto:shadow...@gmail.com] >> >Sent: Thursday, February 21, 2013 7:22 >> >To: cloudstack-dev@incubator.apache.org >> >Subject: [DISCUSS] Management Server Memory Requirements >> > >> >When Javelin was merged, there was an email sent out stating that >> >devs should set their MAVEN_OPTS to use 2g of heap, and 512M of >> >permanent memory. Subsequently, there have also been several e-mails >> >and issues where devs have echoed this recommendation, and presumably >> >it fixed issues. I've seen the MS run out of memory myself and >> >applied those recommendations. >> > >> >Is this what we want to provide in the tomcat config for a package >> >based install as well? It's effectively saying that the minimum >> >requirements for the management server are something like 3 or 4 GB >> >(to be safe for other running tasks) of RAM, right? >> > >> >There is currently a bug filed that may or may not have to do with >> >this, CLOUDSTACK-1339. Users report mgmt server slowness, going >> >unresponsive for minutes at a time, but the logs seem to show >> >business as usual. User reports that java is taking 75% of RAM, >> >depending on what else is going on they may be swapping. Settings in >> >the code for an install are currently at 2g/512M, I've been running >> >this on a 4GB server for awhile now, java is at 900M, but I haven't >> >been pounding it with requests or anything. >> > >> >This bug might not have anything to do with the memory settings, but >> >I figured it would be good to nail down what our minimum requirements >> >are for 4.1 >> >>