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From Antoine Blanchet <>
Subject Re: Out of memory on wide row read
Date Mon, 18 May 2015 16:05:35 GMT
Done, . Feel free to
improve the description, I've only copy/paste the first message from Kévin.


On Fri, May 15, 2015 at 9:56 PM, Alprema <> wrote:

> I William file a jira for that, thanks
> On May 12, 2015 10:15 PM, "Jack Krupansky" <>
> wrote:
>> Sounds like it's worth a Jira - Cassandra should protect itself from
>> innocent mistakes or excessive requests from clients. Maybe there should be
>> a timeout or result size (bytes in addition to count) limit. Something.
>> Anything. But OOM seems a tad unfriendly for an innocent mistake. In this
>> particular case, maybe Cassandra could detect the total row size/slice
>> being read and error out on a configurable limiit.
>> -- Jack Krupansky
>> On Tue, May 12, 2015 at 1:57 PM, Robert Coli <>
>> wrote:
>>> On Tue, May 12, 2015 at 8:43 AM, Kévin LOVATO <>
>>> wrote:
>>>> My question is the following: Is it possible to prevent Cassandra from
>>>> OOM'ing when a client does this kind of requests? I'd rather have an error
>>>> thrown to the client than a multi-server crash.
>>> You can provide a default LIMIT clause, but this is based on number of
>>> results and not size.
>>> Other than that, there are not really great options.
>>> =Rob

Antoine Blanchet
ABC Arbitrage Asset Management

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