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From James Golick <>
Subject Re: Continuously increasing RAM usage
Date Thu, 27 May 2010 16:04:52 GMT
When I say unresponsive, I mean that latency becomes very high. Swap is
turned off, but before I turned it on, it used to swap heavily at this

Cassandra version is 0.6.0 Beta1

[cassandra1 ~]# java -version
java version "1.6.0"
OpenJDK  Runtime Environment (build 1.6.0-b09)
OpenJDK 64-Bit Server VM (build 1.6.0-b09, mixed mode)

Here is the tpstats from a node that was restarted last night:

On Thu, May 27, 2010 at 8:51 AM, Robert Coli <> wrote:

> On 5/26/10 11:32 PM, James Golick wrote:
>> We're seeing RAM usage continually climb until eventually, cassandra
>> becomes unresponsive.
> Given the handful of bugs related to memory bloat in specific versions of
> Cassandra combined with specific versions of JVMs, that information may be
> relevant to your question. What version are you running, and in what JVM
> environment?
> =Rob

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