incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Brian Tarbox <tar...@cabotresearch.com>
Subject Re: this seems like a flaw in Node Selection
Date Thu, 20 Mar 2014 20:03:58 GMT
Does this still apply since we're using 1.2.13?  (should have said that in
the original message)>

Thank you.


On Thu, Mar 20, 2014 at 3:57 PM, Robert Coli <rcoli@eventbrite.com> wrote:

>  On Thu, Mar 20, 2014 at 12:31 PM, Brian Tarbox <tarbox@cabotresearch.com>wrote:
>
>> I've seen this problem with other companies and products: leastloaded as
>> a means of picking servers is almost always liable to death spirals when a
>> server can have a failure.
>>
>> Is there any way to configure away from this in C*?
>>
>
> Disable the dynamic snitch... via the hidden but still valid [1]
> configuration directive "dynamic_snitch" in cassandra.yaml.
>
> "dynamic_snitch: false"
>
> https://issues.apache.org/jira/browse/CASSANDRA-3229
>
> Given the various other bad edge cases with the Dynamic Snitch (sending
> requests to the "wrong" DC on reset, etc.) this might be worth considering
> in general... especially with the speculative execution stuff in 2.0...
>
> I do note that https://issues.apache.org/jira/browse/CASSANDRA-6465 has a
> patch in 2.0.5, yay...
>
> =Rob
>

Mime
View raw message