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From ruslan usifov <>
Subject Re: Nodes frozen in GC
Date Sun, 06 Mar 2011 08:18:05 GMT
2011/3/6 aaron morton <>

> Your node is under memory pressure, after the GC there is still 5.7GB in
> use. In fact it looks like memory usage went up during the GC process.
> Can you reduce the memtable size, caches or the number of CF's or increase
> the JVM size? Also is this happening under heavy load ?
> Yes I do bulk load to cluster

I reduce memtable to 64MB sutuation became better, but it is all the same
very rare GC more than 15 Sec happens. Can reduce
flush_largest_memtables_at helps? O may be some GC options?

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