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  2. JAVA400-L
  3. March 2009

RE: using java for stored procedures (Thorbjoern Ravn Andersen)

Hasn't the JVM always been 64-bit and the newer one is a 32-bit version?

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Alan Campin
Sent: Thursday, March 26, 2009 5:44 PM
To: Java Programming on and around the iSeries / AS400
Subject: Re: using java for stored procedures (Thorbjoern Ravn Andersen)

Just curious. It was even that slow using the new 64-bit JVM running in PASE
or that running the Classic JVM?

The new JVM is supposed to be so much faster.


On Thu, Mar 26, 2009 at 3:24 PM, Bruce Jin <brucej@xxxxxxxxxxxxxxxxxxxx>wrote:

Our past experience seemed to suggest that Java stored procedures
implemented on AS400 could be very slow compared with SQL/RPG/CL
procedures.
Our tests showed that it could be 10 - 50 times slower. We did tests on
tables with a few dozen records to a few dozen million records. Tested on
V6R1.

It would be interesting to know if this is true on your box.

Bruce
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