I have a cluster of 2 ES machines with a lot of indexing, not so much
searching. I'm using 2 EC2 machines with 30gb of RAM and I'm running ES on
each with 12gb heap (ES_HEAP_SIZE) and one of them (let's call it logs1) is
running logstash as well, with 2gb heap. The master node is logs1 and the
other instance is logs2. I start the cluster and every things looks fine,
but after a while (1-3 days) I get the following error on logs1:
[2014-07-15 12:26:39,867][WARN ][transport.netty ] [Keen Marlow] exception
caught on transport layer [[id: 0x16801a48, /XX.XX.XXX.XX:36314 =>
/XX.XXX.XX.XX:9300]], closing connection
java.lang.OutOfMemoryError: Direct buffer memory
...Stack Trace...
And then the cluster is no longer connected and if I try to restart logs2,
I get the same error above for logs1 and this one for logs2:
[2014-07-15 12:27:39,282][INFO ][discovery.ec2 ] [Betty Ross Banner] failed
to send join request to master [[Keen
Marlow][9a7FIRpBSrKQcdcV_sjSTw][ip-XX-XX-XXX-XX][inet[/XX.XX.XXX.XX:9300]]{aws_availability_zone=us-west-2a,
master=true}], reason
[org.elasticsearch.transport.RemoteTransportException: [Keen
Marlow][inet[/XX.XX.XXX.XX:9300]][discovery/zen/join];
org.elasticsearch.transport.NodeDisconnectedException: [Betty Ross
Banner][inet[/XX.XXX.XX.XX:9300]][discovery/zen/join/validate] disconnected]
Is there any memory configuration I should tune up a bit? I'm kind of new
to ElasticSearch so I'd love some help! :).
Thanks!
Pedro
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