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From Tom Devel <deve...@gmail.com>
Subject Re: How to update from Solr Cloud 5.4.1 to 5.5.1
Date Mon, 29 Aug 2016 16:48:05 GMT
Shawn,

Do you (or anybody else here) know of the upgrade steps from 6.1 to 6.2 in
this case? The release notes of 6.2 do not mention anything about
upgrading, but 6.2 has some good bugfixes.

If 6.2 made changes to the index format, is a drop-in replacement from 6.1
to 6.2 still possible?

Thanks,
Tom

On Sat, Aug 27, 2016 at 12:23 PM, Shawn Heisey <apache@elyograg.org> wrote:

> On 8/26/2016 10:22 AM, D'agostino Victor wrote:
> > Do you know in which version index format changes and if I should
> > update to a higher version ?
>
> In version 6.0, and again in the just-released 6.2, one aspect of the
> index format has been updated.  Version 6.1 didn't have any format
> changes from 6.0.  You won't see the new version reflected in any of the
> filenames in the index directory.
>
> Whether or not to upgrade depends on what features you need, and whether
> you need fixes included in the new version.  Not all of the fixed bugs
> in 6.x are applicable to 5.x -- some are fixes for problems introduced
> during 6.x development.
>
> > And about ZooKeeper ; the 3.4.8 is fine or should I update it too ?
>
> That's the newest stable version of zookeeper.  There are alpha releases
> of version 3.5.
>
> Solr includes zookeeper 3.4.6.  A 3.4.8 server will work, but no
> guarantees can be made about the 3.5 alpha versions.
>
> Thanks,
> Shawn
>
>

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