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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-1961) Investigate resource usage for different types of load on an in-memory database
Date Mon, 29 Jun 2009 14:27:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-1961:
---------------------------------

    Derby Categories: [Performance]

> Investigate resource usage for different types of load on an in-memory database
> -------------------------------------------------------------------------------
>
>                 Key: DERBY-1961
>                 URL: https://issues.apache.org/jira/browse/DERBY-1961
>             Project: Derby
>          Issue Type: Task
>    Affects Versions: 10.2.1.6
>            Reporter: Knut Anders Hatlen
>            Priority: Minor
>             Fix For: 10.3.1.4
>
>         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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