RE: mergeindexes action does not seem to be merging cores.

[Piyush Kumar Nayak]

Yes that worked. 
Thanks Erick, for your help.


-----Original Message-----
From: Erick Erickson <erickerick...@gmail.com> 
Sent: Tuesday, May 14, 2019 7:09 PM
To: solr-user@lucene.apache.org
Subject: Re: mergeindexes action does not seem to be merging cores.

Did you commit afterwards?

> On May 14, 2019, at 8:04 AM, Piyush Kumar Nayak <pna...@adobe.com.INVALID> 
> wrote:
> 
> Hi,
> 
> I don't seem to be able to get the merge core feature to work with Solr 7.2.1.
> I'm using the srcCore parameter method documented at 
> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fluce
> ne.apache.org%2Fsolr%2Fguide%2F6_6%2Fcoreadmin-api.html%23CoreAdminAPI
> -MERGEINDEXES&amp;data=02%7C01%7Cpnayak%40adobe.com%7Cf5b4b1e2204749c7
> e8a208d6d871969d%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C63693437
> 9703364465&amp;sdata=sJ05%2Fm63PMNaaH3%2BHZXIw31xCFEPDuppIC2B4xe5rwQ%3
> D&amp;reserved=0
> 
> I am making the following GET HTTP call using a browser:
> http://localhost:8991/solr/admin/cores?action=mergeindexes&core=mcol&s
> rcCore=col1&srcCore=col2 In the call above the following cores are 
> referenced:
> merged core name: mcol
> core 1 name : fc1
> core 2 name : fc1
> All 3 cores preexist.
> 
> The response content I get is :
> {
>  "responseHeader":{
>    "status":0,
>    "QTime":57}}
> 
> I see the following in the logs:
> 747532 [qtp2028017635-17] INFO  org.apache.solr.servlet.HttpSolrCall  
> - [admin] webapp=null path=/admin/cores 
> params={core=mcx&action=mergeindexes&srcCore=fcl1&srcCore=fc2} 
> status=400 QTime=2
> 756577 [qtp2028017635-18] INFO  
> org.apache.solr.update.DirectUpdateHandler2  - start 
> mergeIndexes{NRTCachingDirectory(MMapDirectory@C:\collections\fc1\data
> \index 
> lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c53c896
> ; maxCacheMB=48.0 
> maxMergeSizeMB=4.0),NRTCachingDirectory(MMapDirectory@C:\collections\f
> c2\data\index 
> lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@3e2255a5
> ; maxCacheMB=48.0 maxMergeSizeMB=4.0)}
> 756602 [qtp2028017635-18] INFO  
> org.apache.solr.update.DirectUpdateHandler2  - end_mergeIndexes
> 
> But the number of docs in the merged core do not increase post merge 
> operation. Search for keywords that exist in the core1 do not return results 
> with merged core.
> Am I missing something?
> 
> 
> Best regards,
> Piyush.