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General Performance Discussion (read only archive)

Discuss performance issues, tips and best practices throughout the stack -- from the JVM to the application server and web services.
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How can I improve performance of 'Old Gen' Garbage collection
1
395 by mhouts
2008-12-18 14:36
by peter__lawrey
2008-12-21 02:08
How can javaw take over XP?
8
778 by jay_levitt
2005-09-11 10:31
by jay_levitt
2005-10-03 09:27
How do I get the API that use jconsole?
1
225 by edwardha78
2007-09-12 09:12
by linuxhippy
2007-09-12 12:03
How do you use NewDirectByteBuffer?
3
2172 by swpalmer
2006-05-12 18:46
by briand
2006-05-22 13:41
How does Java decide between Heap and Stack?
2
378 by hman007
2009-09-29 11:42
by hman007
2009-09-29 16:36
how does jvm schedule core 2 duo multi-thread java
4
951 by cohodetector
2008-07-26 22:40
by cohodetector
2008-07-31 00:19
How fast is the new verifier?
2
249 by linuxhippy
2006-02-07 13:39
by linuxhippy
2006-03-19 09:24
How much improvement can be expect in future?
3
227 by linuxhippy
2005-12-04 12:12
by biehl
2005-12-06 06:34
How to break a threadpool
1
302 by cooldude123
2008-12-23 20:44
by peter__lawrey
2008-12-24 02:36
How to see the hotspotted machine codes or corresponding assembly codes?
1
313 by surfeit
2007-05-28 19:26
by linuxhippy
2007-05-29 02:09
how to solve this problem??help!
1
226 by javanat
2009-12-07 10:52
by linuxhippy
2009-12-08 07:45
How Xrunhprof works
2
1066 by Anonymous
2006-02-12 08:09
by Anonymous
2006-02-13 07:41
Howto get statistic about Locks?
5
508 by linuxhippy
2005-10-26 12:27
by linuxhippy
2005-10-29 08:39
Howto track down IO bottlenecks
2
623 by erikvanherck
2007-09-11 06:16
by karunanidhis
2007-10-22 10:39
hs_err with jre - coldfusion
3
578 by switcharoonie
2008-08-20 08:38
by switcharoonie
2008-08-21 08:26
Huge page support on Linux does not work
4
6115 by sevenm
2006-08-17 06:42
by ricochet
2009-02-18 02:07
I cant set the Xmx and Xms larger than 3g on system have 32 GB RAM
5
5145 by almothafar
2010-06-06 07:14
by almothafar
2010-06-07 04:31
I don't understand these profiles - what is taking all the CPU-time?
4
219 by biehl
2005-11-03 09:44
by biehl
2005-11-22 00:57
I was wondering can someone help me? Puzzle Pirates player Java errors.
1
569 by zenda772
2005-08-25 23:28
by tmarble
2005-08-26 08:13
Implementing equals() or equals() and hashcode()
1
453 by t_streamside
2008-11-04 14:46
by walterln
2008-11-05 04:23
Improving performance for the first few execution passes?
5
898 by ted_graham
2007-11-14 08:43
by linuxhippy
2007-11-21 06:11
Inconsistent run-times of micro-benchmark.
10
321 by linuxhippy
2006-12-23 04:37
by linuxhippy
2007-03-21 08:37
Increased GC frequency with CMS
5
4052 by shulei
2009-05-01 16:32
by tomcatuser
2011-01-14 17:35
Interface performance
3
427 by largowinch
2008-09-12 01:00
by linuxhippy
2008-09-22 04:33
Is (x*256) equivalent with (x
4
218 by linuxhippy
2006-12-18 07:31
by linuxhippy
2007-01-02 09:31
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