Too many open files in Elasticsearch

Elastic Stack Elasticsearch
1

Hello, I have this problema in Elasticsearch, can't solve.

[2016-01-14 10:09:34,789][WARN ][netty.channel.socket.nio.AbstractNioSelector] Failed to accept a connection.
java.io.IOException: Too many open files
at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:241)
at org.elasticsearch.common.netty.channel.socket.nio.NioServerBoss.process(NioServerBoss.java:100)
at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
at org.elasticsearch.common.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
at org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

I use this input in configuration of Logstash

input {
file {
type => 'apache'
path => '/etc/httpd/logs/*'
}

}

Use this, because i want read file access logs of apache, this files "rotate" each day.

Help me please !!!

2

You could use lsof to figure out who the culprit is. It could be either be logstash or elasticsearch.

3

Isof ???

I not understand°° : (

4

ok, i use lsof and i have this

Is a file with 2000 lines, it est. Have 2000 open files.

You know why have too many files open???