Hi all,
Any Solr experts out there? We have one particular instance of DSpace v4 that
is taking an age to update Solr when an item is deleted. It does have a couple
of extra fields being indexed, but I would be surprised if that were the
problem. Below I have cut and pasted an excerpt from the solr log with the
crucial bit being the last few lines that show a pause of over a minute. Any
comments would be very welcome.
Cheers, Robin.
2016-04-21 09:14:20,233 INFO org.apache.solr.core.SolrCore @ [search]
webapp=/solr path=/select
params={mlt.minwl=5&mlt.count=3&mlt.fl=dc.title_mlt,dc.contributor.author_mlt,dc.contributor.sponsor_mlt,dc.creator_mlt,dc.subject_mlt,dc.type_mlt&q=handle:+10023/6175&mlt.mintf=5&mlt=true&wt=javabin&version=2}
hits=1 status=0 QTime=42
2016-04-21 09:14:47,243 INFO org.apache.solr.core.SolrCore @
SolrDeletionPolicy.onInit: commits: num=1
commit{dir=NRTCachingDirectory(org.apache.lucene.store.MMapDirectory@/u01/dspace/dspace/solr/search/data/index
lockFactory=org.apache.lucene.store.NativeFSLockFactory@45b2ed5c;
maxCacheMB=48.0 maxMergeSizeMB=4.0),segFN=segments_4uw,generation=6296}
2016-04-21 09:14:47,243 INFO org.apache.solr.core.SolrCore @ newest commit
generation = 6296
2016-04-21 09:14:47,385 INFO org.apache.solr.search.SolrIndexSearcher @
Opening Searcher@1e83bb7 realtime
2016-04-21 09:14:47,392 INFO
org.apache.solr.update.processor.LogUpdateProcessor @ [search] webapp=/solr
path=/update params={wt=javabin&version=2} {deleteByQuery=handle:"10023/6175"
(-1532207025067393024)} 0 169
2016-04-21 09:14:47,456 INFO org.apache.solr.update.UpdateHandler @ start
commit{,optimize=false,openSearcher=true,waitSearcher=true,expungeDeletes=false,softCommit=false,prepareCommit=false}
2016-04-21 09:14:47,490 INFO org.apache.solr.core.SolrCore @
SolrDeletionPolicy.onCommit: commits: num=2
commit{dir=NRTCachingDirectory(org.apache.lucene.store.MMapDirectory@/u01/dspace/dspace/solr/search/data/index
lockFactory=org.apache.lucene.store.NativeFSLockFactory@45b2ed5c;
maxCacheMB=48.0 maxMergeSizeMB=4.0),segFN=segments_4uw,generation=6296}
commit{dir=NRTCachingDirectory(org.apache.lucene.store.MMapDirectory@/u01/dspace/dspace/solr/search/data/index
lockFactory=org.apache.lucene.store.NativeFSLockFactory@45b2ed5c;
maxCacheMB=48.0 maxMergeSizeMB=4.0),segFN=segments_4ux,generation=6297}
2016-04-21 09:14:47,490 INFO org.apache.solr.core.SolrCore @ newest commit
generation = 6297
2016-04-21 09:14:47,492 INFO org.apache.solr.search.SolrIndexSearcher @
Opening Searcher@23d8c80a main
2016-04-21 09:14:47,499 INFO org.apache.solr.core.SolrCore @
QuerySenderListener sending requests to Searcher@23d8c80a
main{StandardDirectoryReader(segments_4uw:16789:nrt _5t2(4.4):C5457/1)}
2016-04-21 09:14:47,499 INFO org.apache.solr.core.SolrCore @
QuerySenderListener done.
2016-04-21 09:14:47,499 INFO
org.apache.solr.handler.component.SpellCheckComponent @ Building spell index
for spell checker: default
2016-04-21 09:14:47,500 INFO org.apache.solr.update.UpdateHandler @
end_commit_flush
2016-04-21 09:16:06,544 INFO org.apache.solr.core.SolrCore @ [search]
Registered new searcher Searcher@23d8c80a
main{StandardDirectoryReader(segments_4uw:16789:nrt _5t2(4.4):C5457/1)}
2016-04-21 09:16:06,545 INFO
org.apache.solr.update.processor.LogUpdateProcessor @ [search] webapp=/solr
path=/update
params={waitSearcher=true&commit=true&wt=javabin&version=2&softCommit=false} {c
Robin Taylor
Main Library
University of Edinburgh
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