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From Boris Yen <yulin...@gmail.com>
Subject Re: Is nodetool upgradesstables a necessary step for upgrading from 0.8 to 1.0.
Date Wed, 16 May 2012 11:04:23 GMT
Hi Aaron,

Thanks for the information. :)

Boris

On Wed, May 16, 2012 at 5:57 PM, aaron morton <aaron@thelastpickle.com>wrote:

> if I do not upgrade the sstables what is going to happen?
>
> Things will break.
> Things you would normally like to work like repair.
>
> The new version nodes can read old data. But when they stream old data
> files between themselves (during repair) they have to be able to write the
> bloom filter, index etc in the old data file format. Which they cannot do.
>
> Cheers
>
> -----------------
> Aaron Morton
> Freelance Developer
> @aaronmorton
> http://www.thelastpickle.com
>
> On 16/05/2012, at 2:09 PM, Boris Yen wrote:
>
> Hi,
>
> Our cluster is currently running on 0.8.10, we plan on upgrading it to
> 1.0.x. We read the document from the datastax website, the final step is to
> use nodetool upgradesstables. Since this command might take time to finish,
> I wonder if this step could be skip? if I do not upgrade the sstables what
> is going to happen?
>
> Thanks
> Boris
>
>
>

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