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Posted to solr-user@lucene.apache.org by djain101 <dh...@yahoo.com> on 2009/09/29 18:31:56 UTC
Re: Create new core on the fly
Hi,
We are also facing the same issue. Is the LOAD action implemented yet? If
not then what should we do to achieve the same functionality?
Thanks,
djain
ryantxu wrote:
>
> The LOAD method will load a core from a schema/config file -- it will
> not need to be in multicore.xml (the persist=true option should
> serialize this change into multicore.xml)
>
> Henri's latest patch implements LOAD, but it needs some clean up to
> apply cleanly to the current trunk.
>
> ryan
>
>
> Doug Steigerwald wrote:
>> Is it going to be possible (soon) to register new Solr cores on the
>> fly? I know the LOAD action is yet to be implemented, but will that let
>> you create new cores that are not listed in the multicore.xml? We're
>> occasionally going to have to create new cores and would like to not
>> have to stop/start Solr do to do this.
>>
>> We want to be able to create the core structure on the filesystem and
>> register that core, or make changes to the multicore.xml file and tell
>> Solr to reload the cores and pick up the new ones.
>>
>> Thanks.
>> Doug
>>
>
>
>
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Re: Create new core on the fly
Posted by djain101 <dh...@yahoo.com>.
> So, if we
> do a create, will it modify the solr.xml everytime? Can it be avoided in
> subsequent requests for create?
>
>
>No, solr.xml will be modified only if persist=true is passed as a request
>param. I don't understand your second question. Why would you want to issue
>create commands for the same core multiple times?
Shalin, persist=true does not work with the create action. I am creating the
core using the below url and everytime it is modifying solr.xml
http://localhost:8080/app/solr/admin/cores?action=CREATE&name=core1&instanceDir=core1&persist=false
Our requirement is that, we have multiple solr app servers behind a load
balancer. So if we hit a url to create solr core, it will hit any one of the
app server and core will be loaded on to that app server only. Rest all
other app servers will not be aware about the new solr core and all the
search requests will fail if it hit the other app servers on which core is
not loaded. That's the reason we need to CREATE cores on each of the app
server but we don't necessarily want solr.xml to be modified.
Thanks,
Dharmveer
Shalin Shekhar Mangar wrote:
>
> On Wed, Sep 30, 2009 at 3:48 AM, djain101 <dh...@yahoo.com>
> wrote:
>
>>
>> Hi Shalin,
>>
>> Can you please elaborate, why we need to do unload after create?
>
>
> No you don't need to. You can unload if you want to for some reasons.
>
>
>> So, if we
>> do a create, will it modify the solr.xml everytime? Can it be avoided in
>> subsequent requests for create?
>>
>>
> No, solr.xml will be modified only if persist=true is passed as a request
> param. I don't understand your second question. Why would you want to
> issue
> create commands for the same core multiple times?
>
>
>> Also, if we want to implement Load, can you please give some directions
>> to
>> implement load action?
>>
>>
> I don't know what you want to do. Loading cores without restarting Solr is
> possible right now by using the create command.
>
> --
> Regards,
> Shalin Shekhar Mangar.
>
>
--
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Re: Create new core on the fly
Posted by Shalin Shekhar Mangar <sh...@gmail.com>.
On Wed, Sep 30, 2009 at 3:48 AM, djain101 <dh...@yahoo.com> wrote:
>
> Hi Shalin,
>
> Can you please elaborate, why we need to do unload after create?
No you don't need to. You can unload if you want to for some reasons.
> So, if we
> do a create, will it modify the solr.xml everytime? Can it be avoided in
> subsequent requests for create?
>
>
No, solr.xml will be modified only if persist=true is passed as a request
param. I don't understand your second question. Why would you want to issue
create commands for the same core multiple times?
> Also, if we want to implement Load, can you please give some directions to
> implement load action?
>
>
I don't know what you want to do. Loading cores without restarting Solr is
possible right now by using the create command.
--
Regards,
Shalin Shekhar Mangar.
Re: Create new core on the fly
Posted by djain101 <dh...@yahoo.com>.
Hi Shalin,
Can you please elaborate, why we need to do unload after create? So, if we
do a create, will it modify the solr.xml everytime? Can it be avoided in
subsequent requests for create?
Also, if we want to implement Load, can you please give some directions to
implement load action?
Thanks,
Dharmveer
Shalin Shekhar Mangar wrote:
>
> On Wed, Sep 30, 2009 at 12:42 AM, djain101 <dh...@yahoo.com>
> wrote:
>
> Ah, I'm sorry. You are right. Load is not implemented yet. The other way
> to
> achieve this is with the "create" and "unload" commands but you do have to
> specify the instanceDir, config, schema and dataDir for "create".
>
> There is some work in progress towards this feature which is targeted for
> 1.5 - see http://wiki.apache.org/solr/LotsOfCores
>
> --
> Regards,
> Shalin Shekhar Mangar.
>
>
--
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Re: Create new core on the fly
Posted by Shalin Shekhar Mangar <sh...@gmail.com>.
On Wed, Sep 30, 2009 at 12:42 AM, djain101 <dh...@yahoo.com> wrote:
>
> Thanks Shalin for quick response. On the wiki link you mentioned, it is
> saying "not implemented yet!". Can you please confirm again? If yes, then
> in
> which release it is available?
>
Ah, I'm sorry. You are right. Load is not implemented yet. The other way to
achieve this is with the "create" and "unload" commands but you do have to
specify the instanceDir, config, schema and dataDir for "create".
There is some work in progress towards this feature which is targeted for
1.5 - see http://wiki.apache.org/solr/LotsOfCores
--
Regards,
Shalin Shekhar Mangar.
Re: Create new core on the fly
Posted by djain101 <dh...@yahoo.com>.
Thanks Shalin for quick response. On the wiki link you mentioned, it is
saying "not implemented yet!". Can you please confirm again? If yes, then in
which release it is available?
Appreciate your quick response.
Regards,
Dharmveer
Shalin Shekhar Mangar wrote:
>
> On Tue, Sep 29, 2009 at 10:01 PM, djain101 <dh...@yahoo.com>
> wrote:
>
>>
>> Is the LOAD action implemented yet?
>>
>
> Yes, see http://wiki.apache.org/solr/CoreAdmin
>
> --
> Regards,
> Shalin Shekhar Mangar.
>
>
--
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Re: Create new core on the fly
Posted by Shalin Shekhar Mangar <sh...@gmail.com>.
On Tue, Sep 29, 2009 at 10:01 PM, djain101 <dh...@yahoo.com> wrote:
>
> Is the LOAD action implemented yet?
>
Yes, see http://wiki.apache.org/solr/CoreAdmin
--
Regards,
Shalin Shekhar Mangar.