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From Ryan King <r...@twitter.com>
Subject Re: reduced cached mem; resident set size growth
Date Wed, 02 Feb 2011 18:38:38 GMT
On Wed, Feb 2, 2011 at 10:29 AM, Chris Burroughs
<chris.burroughs@gmail.com> wrote:
> On 02/02/2011 12:49 PM, Ryan King wrote:
>> We're seeing a similar problem with one of our clusters (but over a
>> longer time scale). Its possible that its not a leak, but just
>> fragmentation. Unless you've told it otherwise, the jvm uses glibc's
>> malloc implementation for off-heap allocations. We're currently
>> running a test with jemalloc on one node to see if the problem goes
>> away.
>>
>
> Thanks Ryan.
>
> Is it over a longer time scale because of some action taken to mitigate
> the problem, or has it always been that long for you?

My guess is that its a longer timeframe because the cluster is really
low traffic (around 100qps across 10 nodes).

-ryan

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