Hi, I didn't look into this deeply, but you didn't say which version of Solr you are using (looks like it might be 1.3). If using a nightly build is an option, you might try that instead - Yonik updated the Lucene jars recently and that might be enough to solve this problem.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Qingdi <qin...@nextbio.com> > To: solr-user@lucene.apache.org > Sent: Thursday, January 29, 2009 4:06:10 PM > Subject: got background_merge_hit_exception during optimization > > > We got the following background_merge_hit_exception during optimization: > exception: > )background_merge_hit_exception__4zsgC136887658__50nfC995992__51i9C995977__52d5C995968__537yC995999__54xmC1892345__54xlC99593_into__54xn_optimize__javaioIOException_background_merge_hit_exception__4zsgC136887658__50nfC995992__51i9C995977__52d5C995968__537yC995999__54xmC1892345__54xlC99593_into__54xn_optimize__at_orgapacheluceneindexIndexWriteroptimizeIndexWriterjava2346__at_orgapacheluceneindexIndexWriteroptimizeIndexWriterjava2280__at_orgapachesolrupdateDirectUpdateHandler2commitDirectUpdateHandler2java355__at_orgapachesolrupdateprocessorRunUpdateProcessorprocessCommitRunUpdateProcessorFactoryjava77__at_orgapachesolrhandlerRequestHandlerUtilshandleCommitRequestHandlerUtilsjava104__at_orgapachesolrhandlerXmlUpdateRequestHandlerhandleRequestBodyXmlUpdateRequestHandlerjava113__at_orgapachesolrhandlerRequestHandlerBasehandleRequestRequestHandlerBasejava131__at_orgapachesolrcoreSolrCoreexecuteSolrCorejava1204__at_orgapachesolrservletSolrDispatchFilterexecu teSolrDispatchFilterjava303__at_orgapachesolrservletSolrDispatchFilterdoFilterSolrDispatchFilterjava232__at_orgmortbayjettyservletServletHandler$CachedChaindoFilterServletHandlerjava1089__at_orgmortbayjettyservletServletHandlerhandleServletHandlerjava365__at_orgmortbayjettysecuritySecurityHandlerhandleSecurityHandlerjava216__at_orgmortbayjettyservletSessionHandlerhandleSessionHandlerjava181__at_orgmortbayjettyhandlerContextHandlerhandleContextHandlerjava712__at_orgmortbayjettywebappWebAppContexthandleWebAppContextjava405__at_orgmortbayjettyhandlerContextHandlerCollectionhandleContextHandlerCollectionjava211__at_orgmortbayjettyhandlerHandlerCollectionhandleHandlerCollectionjava114__at_orgmortbayjettyhandlerHandlerWrapperhandleHandlerWrapperjava139__at_orgmortbayjettyServerhandleServerjava285__at_orgmortbayjettyHttpConnectionhandleRequestHttpConnectionjava502__a > > Does anyone know what could be the cause of the exception? what should we do > to prevent this type of exception? > > Some posts in the Lucene forum say the exception is usually related with > disk space issue. But there should be enough disk space in our system. Our > index size was about 56G. And before optimization, the disk had about 360G > free space. > > After the above background_merge_hit_exception raised, solr kept generating > new segment files, which ate up all the CPU time and the disk space, so we > had to kill the solr server. > > Thanks for your help. > > Qingdi > > > -- > View this message in context: > http://www.nabble.com/got-background_merge_hit_exception-during-optimization-tp21735847p21735847.html > Sent from the Solr - User mailing list archive at Nabble.com.
