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Posted to solr-user@lucene.apache.org by "Lars R. Noldan" <la...@sixfeetup.com> on 2010/02/02 15:15:52 UTC

Replication Questions

Hi all,

Is it possible to configure Solr to store it's search index on a shared 
piece of media such as an NFS mount to replicate it across two machines 
in real time?

If not, can someone point me towards formal documentation on how to get 
replication working?  I tried adding the following to my solrconfig.xml 
file on the master server, but when I restarted solr I was greeted with 
a 500 Internal Server error.

<requestHandler name="/replication" class="solr.ReplicationHandler" >
    <lst name="master">
        <str name="replicateAfter">startup</str>
        <str name="replicateAfter">commit</str>
    </lst>
</requestHandler>


Thank you in advance.
Lars

Re: Replication Questions

Posted by Walter Underwood <wu...@wunderwood.org>.
Performance tends to be bad on NFS? Yep. Updates were 100X slower for me.

wunder

On Feb 2, 2010, at 7:53 AM, Shalin Shekhar Mangar wrote:

> On Tue, Feb 2, 2010 at 7:45 PM, Lars R. Noldan <la...@sixfeetup.com> wrote:
> 
>> Hi all,
>> 
>> Is it possible to configure Solr to store it's search index on a shared
>> piece of media such as an NFS mount to replicate it across two machines in
>> real time?
>> 
> 
> It is possible but not recommended. Search performance tends to be bad with
> NFS.
> 
> 
>> 
>> If not, can someone point me towards formal documentation on how to get
>> replication working?  I tried adding the following to my solrconfig.xml file
>> on the master server, but when I restarted solr I was greeted with a 500
>> Internal Server error.
>> 
>> <requestHandler name="/replication" class="solr.ReplicationHandler" >
>>  <lst name="master">
>>      <str name="replicateAfter">startup</str>
>>      <str name="replicateAfter">commit</str>
>>  </lst>
>> </requestHandler>
>> 
>> 
> The master configuration looks fine to me. Which page gave you a 500
> internal server error? Were there any errors in the Solr logs?
> 
> -- 
> Regards,
> Shalin Shekhar Mangar.

Re: Replication Questions

Posted by Shalin Shekhar Mangar <sh...@gmail.com>.
On Tue, Feb 2, 2010 at 7:45 PM, Lars R. Noldan <la...@sixfeetup.com> wrote:

> Hi all,
>
> Is it possible to configure Solr to store it's search index on a shared
> piece of media such as an NFS mount to replicate it across two machines in
> real time?
>

It is possible but not recommended. Search performance tends to be bad with
NFS.


>
> If not, can someone point me towards formal documentation on how to get
> replication working?  I tried adding the following to my solrconfig.xml file
> on the master server, but when I restarted solr I was greeted with a 500
> Internal Server error.
>
> <requestHandler name="/replication" class="solr.ReplicationHandler" >
>   <lst name="master">
>       <str name="replicateAfter">startup</str>
>       <str name="replicateAfter">commit</str>
>   </lst>
> </requestHandler>
>
>
The master configuration looks fine to me. Which page gave you a 500
internal server error? Were there any errors in the Solr logs?

-- 
Regards,
Shalin Shekhar Mangar.