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Kafka >> mail # user >> Too many open files


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Mark 2013-09-25, 00:33
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Jun Rao 2013-09-25, 04:02
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Re: Too many open files
No. We are using the kafka-rb ruby gem producer.
https://github.com/acrosa/kafka-rb

Now that you asked that question I need to ask. Is there a problem with the java producer?

Sent from my iPhone

> On Sep 24, 2013, at 9:01 PM, Jun Rao <[EMAIL PROTECTED]> wrote:
>
> Are you using the java producer client?
>
> Thanks,
>
> Jun
>
>
>> On Tue, Sep 24, 2013 at 5:33 PM, Mark <[EMAIL PROTECTED]> wrote:
>>
>> Our 0.7.2 Kafka cluster keeps crashing with:
>>
>> 2013-09-24 17:21:47,513 -  [kafka-acceptor:Acceptor@153] - Error in
>> acceptor
>>        java.io.IOException: Too many open
>>
>> The obvious fix is to bump up the number of open files but I'm wondering
>> if there is a leak on the Kafka side and/or our application side. We
>> currently have the ulimit set to a generous 4096 but obviously we are
>> hitting this ceiling. What's a recommended value?
>>
>> We are running rails and our Unicorn workers are connecting to our Kafka
>> cluster via round-robin load balancing. We have about 1500 workers to that
>> would be 1500 connections right there but they should be split across our 3
>> nodes. Instead Netstat shows thousands of connections that look like this:
>>
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.1:22503    ESTABLISHED
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.1:48398    ESTABLISHED
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.2:29617    ESTABLISHED
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.1:32444    ESTABLISHED
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.1:34415    ESTABLISHED
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.1:56901    ESTABLISHED
>> tcp        0      0 kafka1.mycompany.:XmlIpcRegSvc ::ffff:10.99.99.2:45349    ESTABLISHED
>>
>> Has anyone come across this problem before? Is this a 0.7.2 leak, LB
>> misconfiguration… ?
>>
>> Thanks

 
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Jun Rao 2013-09-25, 16:07
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Mark 2013-09-25, 23:30
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Mark 2013-09-25, 23:48
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Jun Rao 2013-09-26, 04:39
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB