Grrr... a pox on gmail ajax mode. It told me these did not go out. A resource leak is held by a memory leak. Ruben Laguna just posted this on lucene's java-dev and I've paraphrase it:
Take a memory snapshot with JConsole -> dumpHeap [1] and the analyze it with Eclipse MAT [2]. Find the biggest objects and look at their path to GC roots to see if Solr is actually retaining them. [1] http://java.sun.com/developer/technicalArticles/J2SE/monitoring/ [2] http://www.eclipse.org/mat/ On 4/10/10, Lance Norskog <goks...@gmail.com> wrote: > Two different points: > Checking once a minute should be sufficient. Also, when I did this > instead of pulling a file or doing the 'ping' feature, I did a search > of a non-existent fwildcard field "bogus_s:test". The point being to > make sure that the Lucene part could actually talk to its index. > > It should not run out of file descriptors from doing this. The code > does a 'new File(healthcheck file name).exists()' and throws away the > descriptor. This should not be a resource leak for file desciptors. > > On Sat, Apr 10, 2010 at 12:36 PM, Blargy <zman...@hotmail.com> wrote: >> >> I have my loadbalancer (HAProxy) configured to check Solr for a >> healthcheck >> file every 2 seconds. >> >> <admin> >> <defaultQuery>solr</defaultQuery> >> <healthcheck type="file">solr/conf/healthcheck.txt</healthcheck> >> </admin> >> >> However it keeps marking my slaves as down and I am seeing this error: >> >> Apr 10, 2010 12:29:20 PM org.apache.solr.core.SolrCore execute >> INFO: [items] webapp=/solr path=/admin/file params={file=healthcheck.txt} >> status=0 QTime=0 >> Apr 10, 2010 12:29:20 PM org.apache.solr.common.SolrException log >> SEVERE: java.io.FileNotFoundException: >> /var/solr/home/items/conf/healthcheck.txt (Too many open files) >> at java.io.FileInputStream.open(Native Method) >> at java.io.FileInputStream.<init>(FileInputStream.java:137) >> at java.io.FileReader.<init>(FileReader.java:72) >> at >> org.apache.solr.common.util.ContentStreamBase$FileStream.getReader(ContentStreamBase.java:118) >> at >> org.apache.solr.request.RawResponseWriter.write(RawResponseWriter.java:83) >> >> Obviously solr is keeping too many files open, but how can I solve this >> problem so I can use this file as my healthcheck? >> >> Thanks >> >> >> >> -- >> View this message in context: >> http://n3.nabble.com/Healthcheck-Too-many-open-files-tp710631p710631.html >> Sent from the Solr - User mailing list archive at Nabble.com. >> > > > > -- > Lance Norskog > goks...@gmail.com > -- Lance Norskog goks...@gmail.com
