In 32bit operate system JVM not support memory biger than 2g
2008/4/20, Chris <[EMAIL PROTECTED]>: > > You may try to use the java parameter with -xmx to set up your memory. > If you have 8G Ram in system , but java VM only caluse the smaller usage. > > And I try to merage the index from disk to RAM . When Index is only about > 1G > size , but into the RAM . > I try to trace the memory usage , over 1G (about 1.5~2G )... > But if you only have 3G , I think the 8G memory that is good enough. > > above > Chris. > > PCHOME ,Search Team @ Taiwan > > > 2008/4/19, 王建新 <[EMAIL PROTECTED]>: > > > > I want to use RAMDirectory to raise the peformance of lucene. > > So I cut the index dir to 3 smaller index dirs(1G one index dir). > > Then I use RAMDirectory to load the 3 dirs, and rebind the 3 searcher by > > RMI.(My server has 8G mem) > > At last, I lookup the 3 remote searcher to new a ParalellMultiSearcher. > > It works correctorly, but sometimes occur errors like : > > > > java.rmi.ServerError: Error occurred in server thread; nested exception > > is: > > java.lang.OutOfMemoryError: Java heap space > > at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:333) > > at sun.rmi.transport.Transport$1.run(Transport.java:159) > > at java.security.AccessController.doPrivileged(Native Method) > > at sun.rmi.transport.Transport.serviceCall(Transport.java:155) > > at > > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535) > > at > > > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) > > at > > > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) > > at > > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) > > at > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > > at java.lang.Thread.run(Thread.java:619) > > at > sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Unknown > > Source) > > at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source) > > at sun.rmi.server.UnicastRef.invoke(Unknown Source) > > at > > java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(Unknown > > Source) > > at java.rmi.server.RemoteObjectInvocationHandler.invoke(Unknown Source) > > at $Proxy0.search(Unknown Source) > > at > > > org.apache.lucene.search.MultiSearcherThread.run(ParallelMultiSearcher.java:251) > > Caused by: java.lang.OutOfMemoryError: Java heap space > > > > Thanks. > > > > > -- > Chris Lin > [EMAIL PROTECTED] > Taipei , Taiwan. > ----------------------------------------------------------- >
