Hi,

Thank You for information.


On Sun, Feb 9, 2014 at 12:54 PM, Nirmal Fernando <[email protected]> wrote:

>
>
>
> On Sun, Feb 9, 2014 at 12:51 PM, Chamila Wijayarathna <[email protected]>wrote:
>
>> Hi ,
>> Thank you for the information.
>> We are planning to run this for without stopping for a long time. So will
>> the 100000 limit exceed some day and give this error again?
>> If so is there any way of avoiding that?
>>
>
> Which is highly unlikely! So, don't worry! :)
>
>>
>> Thank You.
>>
>>
>> On Sun, Feb 9, 2014 at 12:41 PM, Bhathiya Jayasekara 
>> <[email protected]>wrote:
>>
>>> 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/>*
>>>
>>
>>
>>
>> --
>> *Chamila Wijayarathna*
>> Engineering Intern,
>> WSO2 Inc.
>>
>>
>
>
> --
>
> Thanks & regards,
> Nirmal
>
> Senior Software Engineer- Platform Technologies Team, WSO2 Inc.
> Mobile: +94715779733
> Blog: http://nirmalfdo.blogspot.com/
>
>
>


-- 
*Chamila Wijayarathna*
Engineering Intern,
WSO2 Inc.
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