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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1961) Investigate resource usage for different types of load on an in-memory database
Date Thu, 02 Nov 2006 13:33:19 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1961?page=comments#action_12446601 ] 
            
Knut Anders Hatlen commented on DERBY-1961:
-------------------------------------------

The wiki page disappeared and I was unable to restore it with the same name. New location
for the results: http://wiki.apache.org/db-derby/Derby1961ResourceUsage2

> Investigate resource usage for different types of load on an in-memory database
> -------------------------------------------------------------------------------
>
>                 Key: DERBY-1961
>                 URL: http://issues.apache.org/jira/browse/DERBY-1961
>             Project: Derby
>          Issue Type: Task
>          Components: Performance
>            Reporter: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: TestClient.java
>
>
> Investigate how much resources Derby uses and in which parts of the
> code they are used on an in-memory database. Find numbers for
> different kinds of load: single-record update and select operations,
> and join operations.
> Example of resource usage that could be measured: CPU, wall-clock
> time, system calls, context switches, monitor contention, object
> allocations, garbage collection, I/O.

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