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From Renaud Delbru <renaud.del...@deri.org>
Subject Re: Slow deleteById request
Date Tue, 01 Jul 2008 14:51:52 GMT
Small precision,
we are using a nightly build of Solr 1.3 (one of the nightly build just 
before the integration of Lucene 2.4).
-- 
Renaud Delbru

Renaud Delbru wrote:
> Hi,
>
> We experience very slow delete, taking more than 10 seconds. A delete 
> is executed using deleteById (from Solrj or from curl), at the same 
> time documents are being added.
> By looking at the log (below), it seems that a delete by ID request is 
> only executed during the next commit (done automatically every 1000 
> added documents), and that the process (Solrj or curl) executing the 
> deleteById request is blocked until the commit is performed.
>
> Is it a normal behavior or a misconfiguration of our Solr server ?
>
> Thanks in advance for insights.
>
> [11:32:02.840]autowarming result for Searcher@19ba8886 main
> [11:32:02.840]  
> queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=512,evictions=0,size=512,cumulative_lookups=238825,cumulative_hits=202879,cumulative_hitratio=0.84,cumulative_inserts=36255,c

>
> umulative_evictions=4289}
> [11:32:02.840]autowarming Searcher@19ba8886 main from 
> Searcher@1e6e2c86 main
> [11:32:02.840]  
> documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,cumulative_lookups=2395306,cumulative_hits=1705483,cumulative_hitratio=0.71,cumulative_inserts=689823,cumulative_evictions=411577}

>
> [11:32:02.840]autowarming result for Searcher@19ba8886 main
> [11:32:02.840]  
> documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,cumulative_lookups=2395306,cumulative_hits=1705483,cumulative_hitratio=0.71,cumulative_inserts=689823,cumulative_evictions=411577}

>
> [11:32:02.840]Registered new searcher Searcher@19ba8886 main
> [11:32:02.840]{delete=[http://example.org/]} 0 14212
> [11:32:02.840]webapp=/index path=/update params={wt=xml&version=2.2} 
> status=0 QTime=14212
> [11:32:02.840]DirectUpdateHandler2 deleting and removing dups for 217 ids
> [11:32:02.840]Closing Writer DirectUpdateHandler2
> [11:32:02.842]Closing Searcher@1e6e2c86 main
> [11:32:02.842]  
> filterCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}

>
> [11:32:02.842]  
> queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=512,evictions=0,size=512,cumulative_lookups=238825,cumulative_hits=202879,cumulative_hitratio=0.84,cumulative_inserts=36255,cumulative_evictions=4289}

>
> [11:32:02.842]  
> documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,cumulative_lookups=2395306,cumulative_hits=1705483,cumulative_hitratio=0.71,cumulative_inserts=689823,cumulative_evictions=411577}

>
> [11:32:02.894]Opening Searcher@7d33e3b7 DirectUpdateHandler2
> [11:32:03.566]DirectUpdateHandler2 docs deleted=0
> [11:32:03.566]Closing Searcher@7d33e3b7 DirectUpdateHandler2
>

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