Re: DataQueue performance jt400Native 10x slower then RPG

On a Workstaion it performan much much mor worst

But thats clear to me becuase all traffic goes over Network.




From:   "David Gibbs via JAVA400-L" <[email protected]>
To:     "Java Programming on and around the IBM i" 
<[email protected]>
Cc:     "David Gibbs" <david-Zwy7GipZuJhWk0Htik3J/[email protected]>
Date:   10.04.2020 18:28
Subject:        Re: DataQueue performance jt400Native 10x slower then RPG
Sent by:        "JAVA400-L" <java400-l-bounces-+hD5IHI5Xscn3HwCXmMcX9BPR1lH4CV8@public.gmane.org>



On 4/10/20 10:35 AM, [email protected] wrote:
> 
> I have a RPG Client which writes messages to a dataquene. the messages 
are
> about 9000bytes in size. i am writing 1024 messages.
> 
> I have two server implementaions which run on the same IBMi machine one 
in
> Java and one in RPG
> 
> The java version takes about 150ms to read 1024 messges. The RPG version
> only about 15ms. so the RPG version is 10 times faster.

Have you tried running the Java code on a workstation?  How well does it 
perform there?

I've found that data queue's in Java to have very good performance.

david


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