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From "Plotnik, Alexey" <aplot...@rhonda.ru>
Subject RE: Turn off compression (1.2.11)
Date Tue, 18 Feb 2014 22:58:43 GMT
Compression buffers are located in Heap, I saw them in Heapdump. That is:

======================
public class CompressedRandomAccessReader extends RandomAccessReader {
…..
   private ByteBuffer compressed; // <-- THAT IS
======================

From: Robert Coli [mailto:rcoli@eventbrite.com]
Sent: 19 февраля 2014 г. 6:24
To: user@cassandra.apache.org
Subject: Re: Turn off compression (1.2.11)

On Mon, Feb 17, 2014 at 4:35 PM, Plotnik, Alexey <aplotnik@rhonda.ru<mailto:aplotnik@rhonda.ru>>
wrote:

As an aside, 1.2.0 beta moved a bunch of data related to compression off the heap. If you
were to try to run the same cluster under 1.1, you'd probably OOM your heap immediately.

https://issues.apache.org/jira/browse/CASSANDRA-4941

=Rob

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