db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Peter Kovgan (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-465) Embedded Derby-PointBase comparison
Date Wed, 20 Jul 2005 14:08:49 GMT
     [ http://issues.apache.org/jira/browse/DERBY-465?page=all ]

Peter Kovgan updated DERBY-465:
-------------------------------

    Attachment: User.java
                DBOperations.java
                Multithreading-access read.doc

A also tested multiuser access.


attached User.java file is  - thread accessing DB.

DBOperations.java - it is how I call DB.
Multithreading-access read.doc - test description.


> Embedded Derby-PointBase comparison
> -----------------------------------
>
>          Key: DERBY-465
>          URL: http://issues.apache.org/jira/browse/DERBY-465
>      Project: Derby
>         Type: Wish
>   Components: Test
>     Versions: 10.0.2.1, 10.0.2.0
>  Environment: Windows Server 2003, 4 processors, summary CPU 3.00 Ghz, RAM 1 Gb
>     Reporter: Peter Kovgan
>  Attachments: Benchmarks_info_independent.doc, DBOperations.java, Multithreading-access
read.doc, User.java, derby-optimization.doc, derby-pb1.doc
>
> I have tested 4 major embedded DB.
> I have found that major disadvantage of Derby is 
> 1)low insert speed and 
> 2)significant performance degradation in select, update, delete  operation speed starting
from some table size.
> PointBase in comparison has not such degradation.
> It will be better if you improve your product.
> Good luck and thank you.

-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
   http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see:
   http://www.atlassian.com/software/jira


Mime
View raw message