Just wondering if anyone has encountered similar things before I dig more
into Java memory management. So we found machines are constantly in high
memory usage although the “reported” memory usage from ElasticSearch is
low. A couple of points:
Java Heap Memory(top left chart) drops under 2G, which I guess is
mainly because of GC on old pool (bottom right chart)
FieldData usage is low (top right)
OS memory never drops (bottom left chart). When I login to the
machines, the Java process is still taking 12~13GB memory.
Anyone had similar problems before?
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