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General Performance Discussion (read only archive)

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Discuss performance issues, tips and best practices throughout the stack -- from the JVM to the application server and web services.
TopicRepliessort iconViewsCreatedLast reply
Why doesn't java.io.ObjectOutputStream use weak references?
9
1414 by cowwoc
2008-01-02 19:54
by linuxhippy
2009-02-13 10:37
Best method for reading and writing files
9
1287 by byhisdeeds
2007-12-17 06:35
by 3dfan
2009-05-21 01:38
what is the unit of java perfomance
9
391 by ayyappadaskr
2007-10-15 02:04
by karunanidhis
2007-10-22 08:02
64-bit double math performance
9
1063 by edwardx21
2007-07-19 15:48
by sumavalluru
2007-09-11 02:12
Double.doubleToLongBits performance
9
1427 by atripp
2006-09-25 15:39
by realityfaker
2006-10-15 20:46
Concurrent locks for large number of objects
9
633 by byhisdeeds
2006-03-08 07:02
by byhisdeeds
2006-03-19 20:59
Accessing a large number of bufferedimages
9
530 by byhisdeeds
2006-02-09 12:25
by campbell
2006-02-17 10:39
Eliminating array bounds checks
9
1969 by conal
2005-11-30 13:42
by steved
2005-12-06 23:46
Java application slows down, when launching a JVM from a Java app
10
1123 by vanisathish
2009-03-13 06:16
by dwormald
2009-03-17 07:15
Java and the Computer Language Shootout
10
705 by gmillermarket
2007-03-08 16:37
by spdenne
2007-04-06 20:37
Shrinking New Generation
10
1661 by samuelto
2007-02-08 18:21
by jon999
2007-02-14 23:06
Inconsistent run-times of micro-benchmark.
10
433 by linuxhippy
2006-12-23 04:37
by linuxhippy
2007-03-21 08:37
Running -server on Desktop
10
340 by ateslin
2006-03-02 07:31
by k_v_n
2006-03-03 15:07
EA based lock removal in Mustang-b63!
10
371 by linuxhippy
2005-12-09 08:38
by mayhem
2005-12-13 16:47
Swing CPU-bound in sun.awt.windows.WToolkit.eventLoop
10
2262 by coxcu
2005-10-10 09:03
by coxcu
2005-11-23 15:56
Copy-on-write optimization for StringBuilder and StringBuffer
11
1510 by serverperformance
2008-09-04 15:35
by i30817
2008-10-13 13:17
java.util.logging versus log4j performance
11
8523 by weberjn
2008-02-19 07:19
by helenwh
2010-09-07 21:49
Question regarding 1.6 performance
11
438 by markuss
2007-01-05 00:54
by neverever
2007-01-09 17:30
Many, many threads running concurrently on a single CPU ...
11
1761 by jfelrod1960
2006-06-07 09:59
by alexlamsl
2006-06-09 03:01
Performance problems when upgrading from JDK1.4.2 to 1.5.0
11
553 by oda66
2006-01-23 03:40
by linuxhippy
2006-11-30 03:30
Can such operation be tuned?
12
375 by ixanos
2009-05-25 08:34
by ixanos
2009-05-27 00:50
Applicatin Performance (Processing time) is very very slow
12
458 by nerj
2009-01-07 02:08
by nerj
2009-01-18 21:33
OutOfMemoryError on jdk 5
12
725 by siddharthchhabra
2007-09-17 23:19
by rajsoni
2008-05-08 08:03
generics: for (class obj:list) 3x slower how come ?.
12
390 by gustav3d
2006-06-08 05:19
by linuxhippy
2006-06-11 02:07
Releasing unused heap memory to OS
12
5003 by spk
2006-01-31 01:36
by mthornton
2006-02-17 05:06
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