FYI: You can do the same by editing /etc/security/limits.conf file too. http://www.datastax.com/docs/1.0/troubleshooting/index#toomany
On Sun, Feb 9, 2014 at 12:18 PM, Nirmal Fernando <[email protected]> wrote: > To avoid this please increase the open files limit of your OS. 'ulimit -n' > would give you the current number (by default it is 1024 - most of the > cases). > > You can uncomment > > #ulimit -n 100000 (after uncommenting it would be : ulimit -n 100000 ) > > in the wso2server.sh file of wso2 products in order to increase the value. > > > On Sun, Feb 9, 2014 at 12:02 PM, Chamila Wijayarathna > <[email protected]>wrote: > >> Hello all, >> I am working on "Infra Log Analyzer" intern project which uses BAM and >> CEP. Here we uses 2 instances and BAM and CEP communicating with each other. >> When I add these two into a remote server and ran it I am getting >> following warning and error. >> >> [*2014-02-09 05:05:42,669] WARN >> {org.apache.cassandra.thrift.CustomTThreadPoolServer} - Transport error >> occurred during acceptance of message.* >> *org.apache.thrift.transport.TTransportException: >> java.net.SocketException: Too many open files* >> * at >> org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:103)* >> * at >> org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:39)* >> * at >> org.apache.thrift.transport.TServerTransport.accept(TServerTransport.java:31)* >> * at >> org.apache.cassandra.thrift.CustomTThreadPoolServer.serve(CustomTThreadPoolServer.java:100)* >> * at >> org.apache.cassandra.thrift.CassandraDaemon$ThriftServer.run(CassandraDaemon.java:213)* >> *Caused by: java.net.SocketException: Too many open files* >> * at java.net.PlainSocketImpl.socketAccept(Native Method)* >> * at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:408)* >> * at java.net.ServerSocket.implAccept(ServerSocket.java:462)* >> * at java.net.ServerSocket.accept(ServerSocket.java:430)* >> * at >> org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:97)* >> * ... 4 more* >> *[2014-02-09 05:05:42,666] ERROR {org.apache.thrift.transport.TSocket} - >> Could not configure socket.* >> *java.net.SocketException: Too many open files* >> * at java.net.Socket.createImpl(Socket.java:397)* >> * at java.net.Socket.getImpl(Socket.java:460)* >> * at java.net.Socket.setSoLinger(Socket.java:900)* >> * at org.apache.thrift.transport.TSocket.initSocket(TSocket.java:116)* >> * at org.apache.thrift.transport.TSocket.<init>(TSocket.java:107)* >> * at >> me.prettyprint.cassandra.connection.client.HThriftClient.open(HThriftClient.java:123)* >> * at >> me.prettyprint.cassandra.connection.client.HThriftClient.open(HThriftClient.java:26)* >> * at >> me.prettyprint.cassandra.connection.ConcurrentHClientPool.createClient(ConcurrentHClientPool.java:147)* >> * at >> me.prettyprint.cassandra.connection.ConcurrentHClientPool.<init>(ConcurrentHClientPool.java:53)* >> * at >> me.prettyprint.cassandra.connection.RoundRobinBalancingPolicy.createConnection(RoundRobinBalancingPolicy.java:67)* >> * at >> me.prettyprint.cassandra.connection.HConnectionManager.<init>(HConnectionManager.java:67)* >> * at >> me.prettyprint.cassandra.service.AbstractCluster.<init>(AbstractCluster.java:67)* >> * at >> me.prettyprint.cassandra.service.ThriftCluster.<init>(ThriftCluster.java:21)* >> * at >> org.wso2.carbon.bam.cassandra.data.archive.mapred.CassandraMapReduceRowDeletion$RowKeyMapper.setup(CassandraMapReduceRowDeletion.java:119)* >> * at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:142)* >> * at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763)* >> * at org.apache.hadoop.mapred.MapTask.run(MapTask.java:369)* >> * at >> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:211)* >> >> I get this when server runs for a while about 1.5 - 2 hours. I get the >> same error in both BAM and CEP. >> I didn't get this when I ran them on my local machine. >> What is the reason for this? How can I avoid this? >> >> Thank You! >> >> -- >> *Chamila Wijayarathna* >> Engineering Intern, >> WSO2 Inc. >> >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > > Thanks & regards, > Nirmal > > Senior Software Engineer- Platform Technologies Team, WSO2 Inc. > Mobile: +94715779733 > Blog: http://nirmalfdo.blogspot.com/ > > > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- *Bhathiya Jayasekara* *Software Engineer,* *WSO2 inc., http://wso2.com <http://wso2.com>* *Phone: +94715478185 <%2B94715478185>* *LinkedIn: http://www.linkedin.com/in/bhathiyaj <http://www.linkedin.com/in/bhathiyaj>* *Twitter: https://twitter.com/bhathiyax <https://twitter.com/bhathiyax>* *Blog: http://movingaheadblog.blogspot.com <http://movingaheadblog.blogspot.com/>*
_______________________________________________ Dev mailing list [email protected] http://wso2.org/cgi-bin/mailman/listinfo/dev
