Things bother me, sometimes, the errors won't pop out, sometimes it comes,
why?

On Wed, Jan 7, 2015 at 1:49 PM, Sa Li <sal...@gmail.com> wrote:

>
> Hi, Experts
>
> Our cluster is a 3 nodes cluster, I simply test producer locally, see
>
> bin/kafka-run-class.sh org.apache.kafka.clients.tools.ProducerPerformance
> test-rep-three 1000000 3000 -1 acks=1 bootstrap.servers=10.100.98.100:9092
> buffer.memory=67108864 batch.size=8196
>
> But I got such error, I do think this is critical issue, it just
> temporally lose the connection and get back, what is the reason for this?
>
> [2015-01-07 21:44:14,180] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> [2015-01-07 21:44:14,190] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> [2015-01-07 21:44:14,200] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> [2015-01-07 21:44:14,210] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> [2015-01-07 21:44:14,220] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> [2015-01-07 21:44:14,230] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> [2015-01-07 21:44:14,240] WARN Error in I/O with voluminous-mass.master/
> 10.100.98.101 (org.apache.kafka.common.network.Selector)
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:232)
>         at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:191)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:184)
>         at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
>         at java.lang.Thread.run(Thread.java:745)
> 80 records sent, 13.6 records/sec (0.04 MB/sec), 31113.8 ms avg latency,
> 46912.0 max latency.
> 116695 records sent, 23339.0 records/sec (66.77 MB/sec), 5157.1 ms avg
> latency, 46946.0 max latency.
>
>
> thanks
>
> --
>
> Alec Li
>



-- 

Alec Li

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