Yes the global limits are OK. I added cassandra to '/etc/rc.local' to make it auto-startup, but seems the modification of limits didn't take effect. I observed this as Bryan suggested, so I added
ulimit -SHn 999999 > to '/etc/rc.local' and before cassandra start command, and it worked. On Thu, May 8, 2014 at 3:34 AM, Nikolay Mihaylov <n...@nmmm.nu> wrote: > sorry, probably somebody mentioned it, but did you checked global limit? > > cat /proc/sys/fs/file-max > cat /proc/sys/fs/file-nr > > > > On Mon, May 5, 2014 at 10:31 PM, Bryan Talbot > <bryan.tal...@playnext.com>wrote: > >> Running >> >> #> cat /proc/$(cat /var/run/cassandra.pid)/limits >> >> as root or your cassandra user will tell you what limits it's actually >> running with. >> >> >> >> >> On Sun, May 4, 2014 at 10:12 PM, Yatong Zhang <bluefl...@gmail.com>wrote: >> >>> I am running 'repair' when the error occurred. And just a few days >>> before I changed the compaction strategy to 'leveled'. don know if this >>> helps >>> >>> >>> On Mon, May 5, 2014 at 1:10 PM, Yatong Zhang <bluefl...@gmail.com>wrote: >>> >>>> Cassandra is running as root >>>> >>>> [root@storage5 ~]# ps aux | grep java >>>>> root 1893 42.0 24.0 7630664 3904000 ? Sl 10:43 60:01 java >>>>> -ea -javaagent:/mydb/cassandra/bin/../lib/jamm-0.2.5.jar >>>>> -XX:+CMSClassUnloadingEnabled -XX:+UseThreadPriorities >>>>> -XX:ThreadPriorityPolicy=42 -Xms3959M -Xmx3959M -Xmn400M >>>>> -XX:+HeapDumpOnOutOfMemoryError -Xss256k -XX:StringTableSize=1000003 >>>>> -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled >>>>> -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=1 >>>>> -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly >>>>> -XX:+UseTLAB -XX:+UseCondCardMark -Djava.net.preferIPv4Stack=true >>>>> -Dcom.sun.management.jmxremote.port=7199 >>>>> -Dcom.sun.management.jmxremote.ssl=false >>>>> -Dcom.sun.management.jmxremote.authenticate=false >>>>> -Dlog4j.configuration=log4j-server.properties >>>>> -Dlog4j.defaultInitOverride=true >>>>> -Dcassandra-pidfile=/var/run/cassandra.pid >>>>> -cp >>>>> /mydb/cassandra/bin/../conf:/mydb/cassandra/bin/../build/classes/main:/mydb/cassandra/bin/../build/classes/thrift:/mydb/cassandra/bin/../lib/antlr-3.2.jar:/mydb/cassandra/bin/../lib/apache-cassandra-2.0.7.jar:/mydb/cassandra/bin/../lib/apache-cassandra-clientutil-2.0.7.jar:/mydb/cassandra/bin/../lib/apache-cassandra-thrift-2.0.7.jar:/mydb/cassandra/bin/../lib/commons-cli-1.1.jar:/mydb/cassandra/bin/../lib/commons-codec-1.2.jar:/mydb/cassandra/bin/../lib/commons-lang3-3.1.jar:/mydb/cassandra/bin/../lib/compress-lzf-0.8.4.jar:/mydb/cassandra/bin/../lib/concurrentlinkedhashmap-lru-1.3.jar:/mydb/cassandra/bin/../lib/disruptor-3.0.1.jar:/mydb/cassandra/bin/../lib/guava-15.0.jar:/mydb/cassandra/bin/../lib/high-scale-lib-1.1.2.jar:/mydb/cassandra/bin/../lib/jackson-core-asl-1.9.2.jar:/mydb/cassandra/bin/../lib/jackson-mapper-asl-1.9.2.jar:/mydb/cassandra/bin/../lib/jamm-0.2.5.jar:/mydb/cassandra/bin/../lib/jbcrypt-0.3m.jar:/mydb/cassandra/bin/../lib/jline-1.0.jar:/mydb/cassandra/bin/../lib/json-simple-1.1.jar:/mydb/cassandra/bin/../lib/libthrift-0.9.1.jar:/mydb/cassandra/bin/../lib/log4j-1.2.16.jar:/mydb/cassandra/bin/../lib/lz4-1.2.0.jar:/mydb/cassandra/bin/../lib/metrics-core-2.2.0.jar:/mydb/cassandra/bin/../lib/netty-3.6.6.Final.jar:/mydb/cassandra/bin/../lib/reporter-config-2.1.0.jar:/mydb/cassandra/bin/../lib/servlet-api-2.5-20081211.jar:/mydb/cassandra/bin/../lib/slf4j-api-1.7.2.jar:/mydb/cassandra/bin/../lib/slf4j-log4j12-1.7.2.jar:/mydb/cassandra/bin/../lib/snakeyaml-1.11.jar:/mydb/cassandra/bin/../lib/snappy-java-1.0.5.jar:/mydb/cassandra/bin/../lib/snaptree-0.1.jar:/mydb/cassandra/bin/../lib/super-csv-2.1.0.jar:/mydb/cassandra/bin/../lib/thrift-server-0.3.3.jar >>>>> org.apache.cassandra.service.CassandraDaemon >>>>> >>>> >>>> >>>> >>>> On Mon, May 5, 2014 at 1:02 PM, Philip Persad >>>> <philip.per...@gmail.com>wrote: >>>> >>>>> Have you tried running "ulimit -a" as the Cassandra user instead of >>>>> as root? It is possible that your configured a high file limit for root >>>>> but >>>>> not for the user running the Cassandra process. >>>>> >>>>> >>>>> On Sun, May 4, 2014 at 6:07 PM, Yatong Zhang <bluefl...@gmail.com>wrote: >>>>> >>>>>> [root@storage5 ~]# lsof -n | grep java | wc -l >>>>>>> 5103 >>>>>>> [root@storage5 ~]# lsof | wc -l >>>>>>> 6567 >>>>>> >>>>>> >>>>>> It's mentioned in previous mail:) >>>>>> >>>>>> >>>>>> On Mon, May 5, 2014 at 9:03 AM, nash <nas...@gmail.com> wrote: >>>>>> >>>>>>> The lsof command or /proc can tell you how many open files it has. >>>>>>> How many is it? >>>>>>> >>>>>>> --nash >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >> >> >
