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From Oleg Tsvinev <oleg.tsvi...@gmail.com>
Subject Re: Help with Cassandra Row Caches
Date Sat, 12 Nov 2011 19:55:59 GMT
The problem was fixed by _decreasing_ heap size and applying changes
on the least loaded node.
Tyler, where saved caches are stored? /var/lib/cassandra/saved_caches?
Would it help relieving heap load?

On Fri, Nov 11, 2011 at 6:29 PM, Tyler Hobbs <tyler@datastax.com> wrote:
> You could also delete any saved caches, which might give you some more
> breathing room.
>
> On Fri, Nov 11, 2011 at 7:53 PM, Mohit Anchlia <mohitanchlia@gmail.com>
> wrote:
>>
>> Can you temporarily increase the size of Heap and try?
>>
>> On Fri, Nov 11, 2011 at 5:21 PM, Oleg Tsvinev <oleg.tsvinev@gmail.com>
>> wrote:
>> > Hi everybody,
>> >
>> > We set row cache too high, 10000 or so and now all our 6 nodes fail
>> > with OOM. I believe that high row cache causes OOMs.
>> >
>> > Now, we trying to change row cache sizes using cassandra-cli update
>> > column family command but Cassandra nodes keep dying.
>> >
>> > Any help is appreciated, it's a production accident that lasts for too
>> > long already.
>> >
>> > Thank you,
>> >  Oleg
>> >
>
>
>
> --
> Tyler Hobbs
> DataStax
>
>

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