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From Chris Hostetter <hossman_luc...@fucit.org>
Subject RE: SOlr crashes
Date Mon, 14 Aug 2006 18:43:27 GMT

Something else to consider is using the compound file format to reduce the
number of files for your index.

this is mentioned in the Lucen FAQ...

http://wiki.apache.org/jakarta-lucene/LuceneFAQ#head-48921635adf2c968f7936dc07d51dfb40d638b82

...and configurable in solrconfig.xml, search the example for "useCompoundFile"




: Date: Mon, 14 Aug 2006 07:36:00 +0100
: From: David Wiblin <david.wiblin@magus.co.uk>
: Reply-To: solr-user@lucene.apache.org
: To: solr-user@lucene.apache.org
: Subject: RE: SOlr crashes
:
:
: A common problem with any server running lucene becasue it needs to open lots of file handles
- often more than the linux default of 1024.
:
: Here's the fix for a linux system...
:
: Edit the file:   /etc/security/limits.conf
:
: Add to the bottom:
:
: * soft nofile 16384
: * hard nofile 16384
:
: Restart any console windows you have open and when you run ulimit -a you should get something
like:
:
: core file size (blocks, -c) 0
: data seg size (kbytes, -d) unlimited
: file size (blocks, -f) unlimited
: max locked memory (kbytes, -l) unlimited
: max memory size (kbytes, -m) unlimited
: open files (-n) 16384
: pipe size (512 bytes, -p) 8
: stack size (kbytes, -s) 8192
: cpu time (seconds, -t) unlimited
: max user processes (-u) 7168
: virtual memory (kbytes, -v) unlimited
:
: Restarting Solr... your "too many file handles" crash should be reoslved.
:
: Best regards,
:
: David
:
:
:
: -----Original Message-----
: From: farhan diwan [mailto:farhan.diwan@gmail.com]
: Sent: 14 August 2006 07:29
: To: solr-user@lucene.apache.org
: Subject: SOlr crashes
:
:
: It crashes giving this output.
:
: =java.net.SocketException: Too many open files
:         at java.net.ServerSocket.createImpl(ServerSocket.java:255)
:         at java.net.ServerSocket.getImpl(ServerSocket.java:205)
:         at java.net.ServerSocket.bind(ServerSocket.java:319)
:         at java.net.ServerSocket.<init>(ServerSocket.java:185)
:         at org.mortbay.util.ThreadedServer.newServerSocket(
: ThreadedServer.java:391)
:         at org.mortbay.util.ThreadedServer.open(ThreadedServer.java:477)
:         at org.mortbay.util.ThreadedServer.start(ThreadedServer.java:503)
:         at org.mortbay.http.SocketListener.start(SocketListener.java:204)
:         at org.mortbay.http.HttpServer.doStart(HttpServer.java:716)
:         at org.mortbay.util.Container.start(Container.java:72)
:         at org.mortbay.jetty.Server.main(Server.java:460)
:         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
:         at sun.reflect.NativeMethodAccessorImpl.invoke(
: NativeMethodAccessorImpl.java:39)
:         at sun.reflect.DelegatingMethodAccessorImpl.invoke(
: DelegatingMethodAccessorImpl.java:25)
:         at java.lang.reflect.Method.invoke(Method.java:585)
:         at org.mortbay.start.Main.invokeMain(Main.java:151)
:         at org.mortbay.start.Main.start(Main.java:476)
:         at org.mortbay.start.Main.main(Main.java:94)
:



-Hoss


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