APAR status
Closed as program error.
Error description
Error Message: N/A . Stack Trace: N/A .
Local fix
There are several JVM options that can reduce consumed CPU time but the most used one is -Xquickstart. Note however that the usage of these workarounds are likely to affect throughput.
Problem summary
The problem (5-15% more CPU than Java6) is caused by more aggressive JIT warm compilations which are needed for higher throughput.
Problem conclusion
This defect will be fixed in: 6.0.1 GA FP1 . The JIT has been updated to reduce the aggressiveness of certain warm compilations during STARTUP only. . To obtain the fix: Install build 20110309 or later
Temporary fix
Comments
APAR Information
APAR number
IV01847
Reported component name
JIT
Reported component ID
620700124
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-06-15
Closed date
2011-06-15
Last modified date
2011-06-15
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
JIT
Fixed component ID
620700124
Applicable component levels
R260 PSY
UP
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Document Information
Modified date:
15 June 2011