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From Tupshin Harper <tups...@tupshin.com>
Subject Re: gossip marking all nodes as down when decommissioning one node.
Date Fri, 22 Nov 2013 02:47:42 GMT
Increasing the phi value to 12 can be a partial workaround. It's certainly
not a fix, but it does partially alleviate the issue. Otherwise hang in
there until 1.2.12. Aaron is probably right that this is aggravated on
under powered nodes, but larger nodes can still see these symptoms.

-Tupshin
On Nov 21, 2013 11:18 PM, "Alain RODRIGUEZ" <arodrime@gmail.com> wrote:

> Oh ! Thanks.
>
> Is there any workaround to avoid the problem while waiting for update ?
>
>
>
>
> 2013/11/22 Robert Coli <rcoli@eventbrite.com>
>
>> On Thu, Nov 21, 2013 at 2:39 AM, Alain RODRIGUEZ <arodrime@gmail.com>wrote:
>>
>>> I just experimented the same thing on our 28 m1.xlarge C*1.2.11 cluster.
>>>
>>> phi_convict_threshold is default : 8. I will try increasing it to 12 as
>>> 12 seems to be the good value :)
>>>
>>> That's still weird to see all nodes marked down at once. I never
>>> experimented this before using vnodes...
>>>
>>
>> https://issues.apache.org/jira/browse/CASSANDRA-6297 ?
>>
>> "Gossiper blocks when updating tokens and turns node down"
>>
>> =Rob
>>
>
>

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