I would first try upgrading you JVM: 1.7.0_05 is ancient. Mike McCandless
http://blog.mikemccandless.com On Thu, Aug 20, 2015 at 7:49 AM, dr <bfore...@126.com> wrote: > Hi ,all > Currenty i met a probleam with forceMerge(1). During forceMerging some of > my machine spent too much time(10-20 hours for a index size of 15GB). By > using some command like top, iostat, jstack. I found that the avg of cpu, and > disk is too low, nearly zero. And the size of the the index files increased > very very slowly. From jstack, i found that the application is hanging on IO > operations, like FileInputStream or DirectByteArray. But when i did some > copy operation on the machine the speed may become normal. > > Should this issue be related with the JVM, Operating System and hardware? > Did anybody met the same probleam, or have any idea about Java, Linux and > IO. > Some basic info about my system and application. > > | Lucece version | 4.10.3 | > | Jdk version | jdk 1.7.0_05 | > | OS | redhat 4.4.4 | > | cpu | IntelX5650 | > | Memory | 24GB | > > > Best Reagrds --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
