Hi, Even if the system level open file count limit is unlimited, there is a limit per process. Please check if that is hit [1].
[1]. https://stackoverflow.com/questions/21752067/counting-open-files-per-process Thanks On Tue, Oct 1, 2019 at 4:01 PM Bernard Paris <bernard.pa...@uclouvain.be> wrote: > > running 2 nodes wso2 EI 6.4.0 behind a load balancer (round robbin) for > months now, suddenly yesterday one node was very very busy without any good > reason.. > In the logs we found thousands and thousands of this message : > > > [2019-09-30 16:41:06,440] [-1] [] [PassThrough HTTPS-Listener I/O > dispatcher Listener] WARN > {org.apache.synapse.transport.passthru.PassThroughHttpSSLListener} - > System may be unstable: HTTPS ListeningIOReactor encountered a checked > exception : Too many open files > java.io.IOException: Too many open files > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > at sun.nio.ch > .ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > at sun.nio.ch > .ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > at > org.apache.http.impl.nio.reactor.DefaultListeningIOReactor.processEvent(DefaultListeningIOReactor.java:170) > at > org.apache.http.impl.nio.reactor.DefaultListeningIOReactor.processEvents(DefaultListeningIOReactor.java:153) > at > org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:349) > at > org.apache.synapse.transport.passthru.core.PassThroughListeningIOReactorManager$1.run(PassThroughListeningIOReactorManager.java:536) > at java.lang.Thread.run(Thread.java:748) > > We needed to stop then restart the process. > > This is strange since on this linux machine we configured ulimit to > "unlimited" and no particular intensive traffic was found at this moment. > > We now are afraid this can be come again, what could be the origin of this > problem ? any idea to avoid it ? > > Thanks > Bernard > _______________________________________________ > Dev mailing list > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > -- *Hasitha Abeykoon* Associate Technical Lead; WSO2, Inc.; http://wso2.com *cell:* *+94 719363063* *blog: **abeykoon.blogspot.com* <http://abeykoon.blogspot.com>
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