|
Vincenzo, you should consider using a "pure java" that allows to create large xlsup to 65,000 rows in a few minutes. I recently shared an utility to create xls with POI or JExcelApi and you can download it (sources incuded) from mcpressonline. Giuseppe. ----- Original Message ----- From: "Vincenzo Amoruso" <vincenzo.amoruso@xxxxxxxxxx> To: "Mailing LIst rpg400" <rpg400-l@xxxxxxxxxxxx> Sent: Friday, October 01, 2004 10:50 AM Subject: RPG calling JAVA performance > Hi! > > I'm trying to improve the performance > of a RPG programm that call Jakarta POI java classes to > generate an excel file! > > I've already used OPTIMIZE(40) in CRTJVAPGM for POI-2.5.0.jar, > but i have not seen some significative result, > and after about 10000 rows written in excel work file, the performance > are lower. > Thanks in advance! > Regards > > Vincenzo! > > P.S.: > I've tried using environment variable! as follows : > > ADDENVVAR ENVVAR(CLASSPATH) > VALUE('/JAVA/lib/POI-2.5.0.jar:/QIBM/ProdData/Java400/jt400ntv.jar') > ADDENVVAR ENVVAR(QIBM_MULTI_THREADED) VALUE(Y) > ADDENVVAR ENVVAR(JAVA_COMPILER) VALUE(jitc_de) > ADDENVVAR ENVVAR(QIBM_RPG_JAVA_PROPERTIES) > VALUE('-Xms512M;-Xms99M;-Djava.version=1.3;-Dos400.stderr=file:/JAVA/lib/tem p.out;-Djava.compiler=jitc_de;') > > > > -- > This is the RPG programming on the AS400 / iSeries (RPG400-L) mailing list > To post a message email: RPG400-L@xxxxxxxxxxxx > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/mailman/listinfo/rpg400-l > or email: RPG400-L-request@xxxxxxxxxxxx > Before posting, please take a moment to review the archives > at http://archive.midrange.com/rpg400-l. >
As an Amazon Associate we earn from qualifying purchases.
This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].
Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.