solrnet soft commit question

[Houman Ghahremanlou]

Hi Everyone,

I have a few questions

1) The solrnet add method: Add(T doc); If that's used in a code to add a document but doesn't have a commit afterwards. Is that treated by Solrnet/solr as a Soft Commit ? Or do I need to use

Add(T doc, AddParameters parameters); with CommitWithin parameter ?

2) If I used the method AddRange(IEnumerable<T> docs) to add multiple docs, followed by commit() , is that treated a hard comit ?

3) Does solrnet override <autoCommit> & <autoSoftCommit> parameters in solrconfig.xml schema ? If not under what condition those schema values are taken into consideration

4) I am running into a situation where I am hitting this exception on write solr instance : rg.apache.solr.common.SolrException: Error opening new searcher. exceeded limit of maxWarmingSearchers=2,​ try again later.

I have noticed by upping the maxWarmingSearchers to 4 or 8, I can get less of these (probably many commits happening in parallel), would going to soft commit help with this issue as well ?

This is on SolrNet v.0.4.0.2002

Thanks,

Houman

[Mauricio Scheffer]

1) Add() only sends an <add/> ( https://wiki.apache.org/solr/UpdateXmlMessages#add.2Freplace_documents ), nothing else.

2) Commit() is a <commit/> which is a hard commit.

3) If you define commitWithin parameters when adding documents, then yes, that overrides the autocommit configuration.

4) Reduce the number of commits. See http://stackoverflow.com/questions/7512945/how-to-fix-exceeded-limit-of-maxwarmingsearchers .

Cheers

--

Mauricio

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[Houman Ghahremanlou]

Thanks Mauricio

For #1 - If Add() only sends an <add/> does the <autoCommit> configuration ever come into equation, i.e. it is currently set to 60 seconds ? Wondered if it would commit at that time.

For #3 did you mean 'overrides the "softCommit"' for the commitWithin ?

Thanks,

Houman

[Mauricio Scheffer]

Yes, if configured autoCommit will work as usual after an add. The time is whatever you've set it to in your Solr instance.

I did not mean "override the softCommit" for commitWithin. See https://wiki.apache.org/solr/CommitWithin for reference.

Cheers

--

Mauricio

[Houman Ghahremanlou]

Gotcha!

I was actually looking at that page earlier and it made sense.

I am a little bit confused still about the <autoCommit> & <autoSoftCommit> configurations in the solrconfig.xml in what conditions are they used ? are those for HTTP and SolrJ queries ?

I understood that if you an Add() in SolrNet w/o Commit, the <autoCommit> maxTime is used to commit (based on your previous reply)

Under what condition (or call from SolrNet) the <autoSoftCommit>'s maxTime is used ?

Hope I make sense,

Thanks,

Houman