Hi Victor, The IO and CPU usage should go down with time, unless you are reopening your searcher too frequently and your server is always busy doing what I described in the previous email. You should provide us with relevant info/numbers from your Solr admin stats page, output of top, vmstat, and such.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Victor Hogemann <vic...@ideais.com.br> > To: solr-user@lucene.apache.org > Sent: Tuesday, December 30, 2008 7:56:13 AM > Subject: Re: High response times after snapshot install > > Hello Otis, > > Thank you for the reply. > > But, if the high response time is caused by IO and CPU usage... it shouldn't > come back to regular response time after a while? Also, we're not seeing that > much CPU usage. > > What if some requests got stuck, and the old searchers are not being > destroyed? > Would it account for the high response times? > > PS.: Sorry my poor english, I'm not a native speaker :-) > ---- > Victor Hogemann - Ideais Tecnologia > > Tel (RJ) +55 +21 3553-1301 (R217) > Tel (SP) +55 +11 4063-0443 (R217) > Fax +55 +21 3553-1302 > > Rua da Assembléia, nº 98, 9º andar > Centro | Rio de Janeiro | Brasil > CEP 20011-000 > > On Dec 29, 2008, at 4:26 PM, Otis Gospodnetic wrote: > > > Hello Victor, > > > > The high response times could be caused by long and intense warming of the > > new > searcher(s), which could be causing high IO (it sounds like all instances > share > the same index on the same file system) and high CPU usage (lots of cache > items > being copied from the old searcher). > > > > > > Otis > > -- > > Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch > > > > > > > > ----- Original Message ---- > >> From: Victor Hogemann > >> To: Solr-User > >> Sent: Monday, December 29, 2008 7:53:44 AM > >> Subject: High response times after snapshot install > >> > >> Greetings, > >> > >> Before anything I'd like to thank the Solr team for such great piece of > >> software! Thank you. > >> > >> Now... back to my problem. I'm experiencing slowdowns on a Solr 1.3 > >> multicore > >> installation after a snapshot install, response times go up from 5ms to > >> above > >> 5sec, and don't go down unless we restart the servers. > >> > >> Our index has more than 20 fields, and the slave servers got some > >> 50hits/sec. > >> We're running it on Weblogic, with 6 Weblogic Nodes/Solr instances per > machine, > >> sharing the same index on the filesystem. > >> > >> Any insight on what is happening? > >> > >> Thanks. > >> ---- > >> Victor Hogemann - Ideais Tecnologia > >> > >> Tel (RJ) +55 +21 3553-1301 (R217) > >> Tel (SP) +55 +11 4063-0443 (R217) > >> Fax +55 +21 3553-1302 > >> > >> Rua da Assembléia, nº 98, 9º andar > >> Centro | Rio de Janeiro | Brasil > >> CEP 20011-000 > >
