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Hyperthreading / Linux / DB2 V8.1 FP4 - performance

P: n/a
Hello,
we investigated a performance-drop while using DB2 V8.1 on a
Linux-Server (SuSE - SLES) and Hyperthreading activated. (Dual XEON
2.4 2GB)

The intraparallel-option is set and the client establishes 10
independant threads.
With hyperthreading activated, the performance drop with factor 2 (4
min -> 8 min). Is there any possibility to configure DB2 to use this
feature ?

Thanks

Joerg
Nov 12 '05 #1
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P: n/a


joerg wrote:
Hello,
we investigated a performance-drop while using DB2 V8.1 on a
Linux-Server (SuSE - SLES) and Hyperthreading activated. (Dual XEON
2.4 2GB)

The intraparallel-option is set and the client establishes 10
independant threads.
With hyperthreading activated, the performance drop with factor 2 (4
min -> 8 min). Is there any possibility to configure DB2 to use this
feature ?
All DB2 EDUs are implemented as processes on UNIX and Linux.


Thanks

Joerg


Nov 12 '05 #2

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