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From Ben Bromhead <...@instaclustr.com>
Subject Re: Repair taking long time
Date Tue, 30 Sep 2014 06:38:31 GMT
use https://github.com/BrianGallew/cassandra_range_repair



On 30 September 2014 05:24, Ken Hancock <ken.hancock@schange.com> wrote:

>
> On Mon, Sep 29, 2014 at 2:29 PM, Robert Coli <rcoli@eventbrite.com> wrote:
>
>>
>> As an aside, you "just lose" with vnodes and clusters of the size. I
>> presume you plan to grow over appx 9 nodes per DC, in which case you
>> probably do want vnodes enabled.
>>
>
> I typically only see discussion on vnodes vs. non-vnodes, but it seems to
> me that might be more important to discuss the number of vnodes per node.
> A small cluster having 256 vnodes/node is unwise given some of the
> sequential operations that are still done.  Even if operations were done in
> parallel, having a 256x increase in parallelization seems an equally bad
> choice.
>
> I've never seen any discussion on how many vnodes per node might be an
> appropriate answer based a planned cluster size -- does such a thing exist?
>
> Ken
>
>
>
>
>


-- 

Ben Bromhead

Instaclustr | www.instaclustr.com | @instaclustr
<http://twitter.com/instaclustr> | +61 415 936 359

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