Hey Jason,
Here’s a little more discussion on Yokozuna backup strategies:
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2014-January/014514.html
<http://lists.basho.com/pipermail/riak-users_lists.basho.com/2014-January/014514.html>.
Nonetheless, I wouldn’t say the behavior’s expected, but we’re going to be
adding more to the docs on how to rebuild indexes.
To do so, you could just remove the yz_anti_entropy directory, and make AAE
more aggressive, via
```
rpc:multicall([node() | nodes()], application, set_env, [yokozuna,
anti_entropy_build_limit, {100, 1000}]).
rpc:multicall([node() | nodes()], application, set_env, [yokozuna,
anti_entropy_concurrency, 4])
```
and the indexes will rebuild. You can try to initialize the building of trees
with `yz_entropy_mgr:init([])` via `riak attach`, but a restart would also kick
AAE into gear. There’s a bit more related info on this thread:
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-March/016929.html
<http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-March/016929.html>.
Thanks.
Zeeshan Lakhani
programmer |
software engineer at @basho |
org. member/founder of @papers_we_love | paperswelove.org
twitter => @zeeshanlakhani
> On Apr 24, 2015, at 1:34 AM, Jason Campbell <[email protected]> wrote:
>
> I think I figured it out.
>
> I followed this guide:
> http://docs.basho.com/riak/latest/ops/running/nodes/renaming/#Clusters-from-Backups
>
> The first Riak node (changed with riak-admin reip) kept it's Solr index.
> However, the other nodes when joined via riak-admin cluster force-replace,
> dropped their Solr indexes.
>
> Is this expected? If so, it should really be in the docs, and there should
> be another way to restore a cluster keeping Solr intact.
>
> Also, is there a way to rebuild a Solr index?
>
> Thanks,
> Jason
>
>> On 24 Apr 2015, at 15:16, Jason Campbell <[email protected]> wrote:
>>
>> I've just done a backup and restore of our production Riak cluster, and
>> Yokozuna has dropped from around 125 million records to 25million.
>> Obviously the IPs have changed, and although the Riak cluster is stable, I'm
>> not sure Solr handled the transition as nicely.
>>
>> Is there a way to force Solr to rebuild the indexes, or at least get back to
>> the state it was in before the backup?
>>
>> Also, is this expected behaviour?
>>
>> Thanks,
>> Jason
>> _______________________________________________
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>
>
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