There are a few problems that can happen. This is usually a sign of garbage collection problems. You can monitor the Tomcat instance with JConsole or one of the other java monitoring tools and see if there is a memory leak.
Also, most people don't need to do it, but you can automatically restart it once a day. On Thu, Oct 28, 2010 at 2:20 AM, Xavier Schepler <xavier.schep...@sciences-po.fr> wrote: > Hi, > > We are in a beta testing phase, with several users a day. > > After several days of waiting, the solr server didn't respond to requests > that require a lot of processing time. > > I'm using Solr inside Tomcat. > > This is the request that had no response from the server : > > wt=json&omitHeader=true&q=qiAndMSwFR%3A%28transport%29&q.op=AND&start=0&rows=5&fl=id,domainId,solrLangCode,ddiFileId,studyDescriptionId,studyYearAndDescriptionId,nesstarServerId,studyNesstarId,variableId,questionId,variableNesstarId,concept,studyTitle,studyQuestionCount,hasMultipleItems,variableName,hasQuestionnaire,questionnaireUrl,studyDescriptionUrl,universe,notes,preQuestionText,postQuestionText,interviewerInstructions,questionPosition,vlFR,qFR,iFR,mFR,vlEN,qEN,iEN,mEN,&sort=score%20desc&fq=solrLangCode%3AFR&facet=true&facet.field=%7B%21ex%3DstudySerieIds%2Cdecades%2CstudyIds%2CqueryFilters%2CconceptIds%2CdomainIds%7DdomainId&facet.field=%7B%21ex%3DstudySerieIds%2Cdecades%2CstudyIds%2CqueryFilters%2CconceptIds%2CdomainIds%7DstudyDecade&facet.field=%7B%21ex%3DstudySerieIds%2Cdecades%2CstudyIds%2CqueryFilters%2CconceptIds%2CdomainIds%7DstudySerieId&facet.field=%7B%21ex%3DstudySerieIds%2Cdecades%2CstudyIds%2CqueryFilters%2CconceptIds%2CdomainIds%7DstudyYearAndDescriptionId&facet.sort=count&f.studyDecade.facet.sort=lex&spellcheck=true&spellcheck.count=10&spellcheck.dictionary=qiAndMFR&spellcheck.q=transport&hl=on&hl.fl=qSwFR,iHLSwFR,mHLSwFR&hl.fragsize=0&hl.snippets=10000&hl.usePhraseHighlighter=true&hl.highlightMultiTerm=true&hl.simple.pre=%3Cb%3E&hl.simple.post=%3C%2Fb%3E&hl.mergeContiguous=false > > It involves highlighting on a multivalued field with more than 600 short > values inside. It takes 200 or 300 ms because of highlighting. > > After restarting tomcat all went fine again. > > I'm trying to understand why I had to restart tomcat and solr and what > should I do to have it working 7/7 24/24. > > Xavier > > > -- Lance Norskog goks...@gmail.com
