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From Suresh Thalamati <suresh.thalam...@gmail.com>
Subject Re: [jira] Updated: (DERBY-733) Starvation in RAFContainer.readPage()
Date Fri, 16 Dec 2005 19:36:29 GMT
Hi Knut,

I am really puzzled with such a large differene in response
times between the jdk142 and jdk15 jvms. Did u find out what has 
changed in jdk15 that is making the response time so bad ?

 >      Sun JVM 1.4.2: 78.3 tps /    727 ms max resp
 >      Sun JVM 1.5.0: 78.2 tps / 609483 ms max resp


Thanks
suresht

Knut Anders Hatlen (JIRA) wrote:
>      [ http://issues.apache.org/jira/browse/DERBY-733?page=all ]
> 
> Knut Anders Hatlen updated DERBY-733:
> -------------------------------------
> 
>     Attachment: Insert.java
>                 Select.java
> 
> I have attached a test case that makes it possible to reproduce the
> reported issue. There are two files:
> 
> 
>   Before revision 356884 was committed:
> 

>      IBM JVM 1.4.2: 78.2 tps /   1079 ms max resp
>    Blackdown 1.4.2: 78.9 tps /    717 ms max resp

>      IBM JVM 1.5.0: Went into infinite loop because of I/O error
> 
>   After revision 356884 was committed:
> 
>      Sun JVM 1.4.2: 78.7 tps /  690 ms max resp
>      IBM JVM 1.4.2: 78.1 tps / 1080 ms max resp
>    Blackdown 1.4.2: 79.3 tps /  656 ms max resp
>      Sun JVM 1.5.0: 79.1 tps /  682 ms max resp
>      IBM JVM 1.5.0: Went into infinite loop because of I/O error
> 
> 

> 


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