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From Apache Wiki <wikidi...@apache.org>
Subject [Db-derby Wiki] Update of "Derby1961ResourceUsage" by KristianWaagan
Date Fri, 20 Oct 2006 15:37:15 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Db-derby Wiki" for change notification.

The following page has been changed by KristianWaagan:
http://wiki.apache.org/db-derby/Derby1961ResourceUsage

------------------------------------------------------------------------------
  || Transaction control || `org.apache.derby.impl.store.raw.xact` ||
  
  === Results ===
+ 
+ ==== CPU and wall clock time ====
+ 
+ These results were obtained using a byte code instrumentation tool.
+ The CPU times include both system and user CPU.
+ The runs were done on a Solaris 10 machine with x86 hardware. Wall clock time
+ were obtained using ''gethrtime'' and the CPU times using ''getrusage''. [[BR]]
+ The test client was run with Java SE 6 (build 103), 35 seconds of warmup and 120 seconds
runtime ("steady state").
+ 
+ '''Numbers are under validation. They might change!'''
+ 
+ || ||<-2> '''Single-record select (10 clients)''' ||<-2> '''Single-record update
(20 clients)''' ||<-2> '''Join (4 clients)''' ||
+ || '''Module''' || '''System & user CPU''' || '''Wall clock time''' || '''System &
user CPU''' || '''Wall clock time''' || '''System & user CPU''' || '''Wall clock time'''
||
+ || Network server ||<style="text-align: right;"> 13.4% ||<style="text-align: right;">
72.2% ||<style="text-align: right;">  9.0% ||<style="text-align: right;"> 24.8%
||<style="text-align: right;">  1.4% ||<style="text-align: right;">  1.5% ||
+ || JDBC ||<style="text-align: right;">  4.1% ||<style="text-align: right;">
 1.2% ||<style="text-align: right;">  0.9% ||<style="text-align: right;">  0.2%
||<style="text-align: right;">  2.2% ||<style="text-align: right;">  1.1% ||
+ || Execution ||<style="text-align: right;">  7.8% ||<style="text-align: right;">
 2.1% ||<style="text-align: right;">  8.4% ||<style="text-align: right;">  1.4%
||<style="text-align: right;">  5.0% ||<style="text-align: right;">  3.1% ||
+ || Access ||<style="text-align: right;"> 18.2% ||<style="text-align: right;">
 4.6% ||<style="text-align: right;"> 13.2% ||<style="text-align: right;">  2.4%
||<style="text-align: right;"> 30.0% ||<style="text-align: right;"> 17.7% ||
+ || Lock manager ||<style="text-align: right;"> 20.8% ||<style="text-align: right;">
11.7% ||<style="text-align: right;"> 23.1% ||<style="text-align: right;"> 15.0%
||<style="text-align: right;"> 15.8% ||<style="text-align: right;"> 40.9% ||
+ || Buffer manager ||<style="text-align: right;">  8.0% ||<style="text-align: right;">
 1.9% ||<style="text-align: right;">  6.6% ||<style="text-align: right;">  1.0%
||<style="text-align: right;">  1.2% ||<style="text-align: right;">  0.8% ||
+ || Logging ||<style="text-align: right;">  0.0% ||<style="text-align: right;">
 0.0% ||<style="text-align: right;"> 10.5% ||<style="text-align: right;"> 51.5%
||<style="text-align: right;">  0.0% ||<style="text-align: right;">  0.0% ||
+ || Data store ||<style="text-align: right;"> 22.5% ||<style="text-align: right;">
 5.1% ||<style="text-align: right;"> 21.3% ||<style="text-align: right;">  2.7%
||<style="text-align: right;"> 33.2% ||<style="text-align: right;"> 26.1% ||
+ || Transaction control ||<style="text-align: right;">  5.1% ||<style="text-align:
right;">  1.3% ||<style="text-align: right;">  7.0% ||<style="text-align: right;">
 1.0% ||<style="text-align: right;"> 11.2% ||<style="text-align: right;">  8.8%
||
+ 
  
  ==== Object allocations ====
  

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