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From aaron morton <aa...@thelastpickle.com>
Subject Re: [Cassandra] Replacing a cassandra node with one of the same IP
Date Thu, 27 Jun 2013 04:44:51 GMT
> So are hints to a given UUID discarded after some period of time with
> that UUID not present in the cluster?
From memory they are TTL'd at the gc_grace_seconds for the CF.

Cheers

-----------------
Aaron Morton
Freelance Cassandra Consultant
New Zealand

@aaronmorton
http://www.thelastpickle.com

On 26/06/2013, at 5:11 AM, Robert Coli <rcoli@eventbrite.com> wrote:

> On Mon, Jun 24, 2013 at 8:53 PM, aaron morton <aaron@thelastpickle.com> wrote:
>>> so I am just wondering if this means the hinted handoffs are also updated to
reflect the new Cassandra node uuid.
>> Without checking the code I would guess not.
>> Because it would involve a potentially large read / write / delete to create a new
row with the same data. And Hinted Handoff is an optimisation.
> 
> So are hints to a given UUID discarded after some period of time with
> that UUID not present in the cluster? Or might they need to be
> manually purged?
> 
> =Rob


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