On Friday, July 8, 2016 at 12:45:01 PM UTC+2, Rumen Tashev wrote: > > I have a similar problem on my Graylog2 configuration. I have a cluster > with two nodes. The problem is with my slave node, where we capture NetFlow > data from our routers. The incoming messages are about 30 - 50 per second. > I have allowed up to 4g of heap memory for the graylog-server. With a fresh > start, the node uses up to 972.8 MB and this starts to grow over time. It > takes approximately 24 hours until the node reaches the full 4g (shown as > 3.8 GB) and then constantly stops and re-starts. A re-start on the node > (graylog-ctl stop && shutdown -r now) rectifies the problem, but then again > just temporary. The graylog slave node is configured as "backend". > > We have the 100% same configuration on the master node, where this problem > does not appear. The master node runs for weeks now, processing about 10 - > 30 messages per second and uses 1.1GB of heap space. It never reaches any > close to 3.8 GB, which would be the maximum configured. The only difference > is, that it does not accept any NetFlow messages. > > Previously we had the NetFlow messages go to the master node. Then the > exact same behaviour would appear there as well - the node gradually > consumes more and more memory, until it reaches a state where it constantly > crashes and restarts. Moving the NetFlow messages to the slave seems to > have rectified the problem on the master. Both nodes run the latest version > of Graylog2 - 2.0.3. > > Do you also run NetFlow inputs on your node? Any help is greatly > appreciated! >
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