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From "fengkaibin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-3317) too many open files between kafka borkers or may between borker and clients
Date Tue, 25 Oct 2016 10:20:58 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-3317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15604883#comment-15604883
] 

fengkaibin commented on KAFKA-3317:
-----------------------------------

I met this problem too,and my kafka version is 0.8.2.2. is this a bug?

> too many open files between kafka borkers or may between borker and clients 
> ----------------------------------------------------------------------------
>
>                 Key: KAFKA-3317
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3317
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.9.0.0, 0.9.0.1
>         Environment: CentOS release 6.5 (Final)
> kafka_2.11-0.9.0.1
>            Reporter: david
>
> there is much open files in my java app client which write msg to kafka broker, i used

> {quote}
>        <dependency>
> 	    <groupId>org.apache.kafka</groupId>
> 	    <artifactId>kafka-clients</artifactId>
> 	    <version>0.9.0.1</version>
> 	</dependency>
> {quote}
> new api to write msg. when i use
> {quote}
> lsof -p 8780 | wc -l
> 19184
> lsof -p 8780 | grep XmlIpcRegSvc | wc -l
> 4920
> lsof -p 8780 | grep pipe | wc -l
> 9576
> lsof -p 8780 | grep eventpoll | wc -l
> 4792
> {quote}
> where 8780 is my java app pid.
> {quote}
> java    37121  app *796u  IPv6          960673997        0t0       TCP mad183:50213->mad180:XmlIpcRegSvc
(ESTABLISHED)
> {quote}
> there are many  ESTABLISHED XmlIpcRegSvc , and seems not closed.
> and It likes use ipv6 .



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