I'm running an ES cluster on AWS m1.large instances (7.5 GB RAM) using
elasticsearch-servicewrapper, and am periodically getting hit by the kernel
OOM killer.
In my configuration I have:
index.store.type: memory
cache.memory.direct: true
My JVM memory settings are:
ES_HEAP_SIZE=1024
ES_DIRECT_SIZE=5120m
I am currently running a 5-node cluster with 5 shards and 1 replica. The
total index size is 3.6GB (2.7m documents). I don't ever see any java.lang.OutOfMemoryError:
Direct buffer memory messages I've seen others report, which would seem to
indicate to me that Java is still within its expected memory limits, but
the kernel disagrees.
Do my settings sound reasonable for the machine size I am running on? It
seems to me like it would be, but instances keep getting killed. Any
direction would be appreciated.
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