Thursday May 23, 2013

Poorer performance of IQuery in 9.3.0.3 than 9.3.0.1

Recently we got several customers' report that the IQuery API in client SDK program has poorer performance in Agile 9.3.0.3 than 9.3.0.1. If to monitor SDK client program's memory heap usage we will see much more heap is used in 9.3.0.3 and Wireshark monitor shows more data packages are received from Agile Server. This article will bring us close to the essence of the problem and see the different behavior between 9.3.0.3 and 9.3.0.1.[Read More]

Friday May 10, 2013

Checksum in Agile File Server

We will discuss the concept of checksum in Agile PLM and related technology. If enabled Checksum Calculation in Agile PLM, we may see below error when do CheckOut/CheckIn file attachment. This scenario means the original physical file is modified by external program beyond Agile.[Read More]

Friday May 03, 2013

Background execution of IQuery API in Agile SDK

I have been asked by customers and partners about one same puzzle that why IQuery.execute() runs extremely fast, while the first time execution of Iterator.hasNext() runs very slow。To answer and summarize the background technology of IQuery, let's analyze it detailedly.[Read More]
About


Jie Chen is the L3 memeber in Oracle Agile Support.
This blog focuses on the Maintenance, Diagnosis and Tuning related technical skills.
The technology covers Java/JavaEE, Weblogic, Security, Clustering, and Database of course.

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