Hi,
I have 2 Graylog Servers both running ES instances. However, after 1-2 days
of running, my Elasticsearch cluster always goes "No Active Master" (Using
KOPF) for about 10-15 minutes, then comes back up.
When it comes back up, i can NEVER search for Sources. I get this Error:
Could not load histogram data
Loading of histogram data failed with status: Bad Request
However, if i select time to " All Week, or All month", data shows up, but
sometimes doesn't show the messages when you query it from the source. The
only way to fix this is to restart ES on the Master then everything comes
back up and works fine.
Could someone help me?
So far i've increased Ram to 16GB on each Machine and dedicated 7GB Heap to
each one as i thought it would be RAM. However, after a few days each
machine has about 500-900MB of RAM free. They are both on Linux Ubuntu
14.04 Machines.
Thanks (Errors Below)
ES KOPF LOG:
[2015-10-05 13:44:48]
{"status":503,"name":"ess-lon-gray-002_slave","cluster_name":"graylogemea","version":{"number":"1.4.5","build_hash":"2aaf797f2a571dcb779a3b61180afe8390ab61f9","build_timestamp":"2015-04-27T08:06:06Z","build_snapshot":false,"lucene_version":"4.10.4"},"tagline":"You
Know, for Search"}
[2015-10-05 13:44:48] No active master, switching to basic mode
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