Latest news

NEW: APRIL NEWSLETTER

• We list all the latest Java performance related news and articles
  • "over the last seven years the number of tools that are relevant has grown beyond what I can watch"
• Kirk Pepperdine interviews Joe Walker on the advantages of DWR, and on load testing Javascript.
  • "Kirk Pepperdine, interviews Joe Walker of SitePen. Joe covers the advantages of DWR for your Java to Javascript apps, and considers the issues involved in load testing these types of apps."
• Javva The Hutt rambles through performance past, present and future
  • "Each individual lookup wasn't that long, but by the time you had several hundred thousand in each iteration, and iterations triggered several times a second, we had moved into sucky-slow land"
• All the latest Java performance tips extracted in concise form
  • "You can safely ignore the small inefficiencies 97% of the time. That means that you should pay attention to small inefficiencies 1 out of every 33 lines of code you write."

MARCH NEWSLETTER

• We list all the latest Java performance related news and articles
  • "You can get sucky performance from anything - and even well written code can produce bad performance, so I don't even assume that the code was badly written. Any non-trivial app really needs performance testing, and quite probably performance tuning too."
• Kirk Pepperdine interviews Dan Diephouse on XML performance.
  • "if you have small documents, you can definitely parse your document in under a millisecond now"
• Javva The Hutt rambles through performance past, present and future
  • "Someone is going to start making good money from our headless chicken induced inability to run the business properly. But it won't be us"
• All the latest Java performance tips extracted in concise form
  • "A way to regression test for a fixed memory leak is to create a weak reference to the object, exercise the code that used to cause the memory leak, then full GC (and run finalizers) several times and then check that that the weak reference now has a null referent."

Previous newsletters

All our previous newsletters can be viewed from here

How to use this site

This site has four main information resources:

• The uncategorized tips page lists many other web pages with Java performance tuning related information. Each web page has its performance tuning tips extracted and listed immediately after the URL is listed. These tips are being categorized, and the tips page links to those categories currently available. If the performance area you are interested in is not yet categorized, send us an email from this page telling us the categorization you'd like to see. In any of the tips pages, use your browser's "find" or "search" option to identify particular tips you are interested in on the page, and follow up by reading the referenced web page if necessary or desired.
• The resources page lists Java performance tuning resources including books, tools, reports, other performance tuning sites of interest, and Java performance tuning discussion groups.
• The news pages are monthly newsletters listing any new Java performance tuning related information, together with Kirk Pepperdine's discussion group roundup and Javva The Hutt.
• The tool reports pages are detailed introductory reports on various Java performance related tools, for both free and commercial tools.

This site has been designed to download almost as fast as possible. (Some stylistic markup and required server-side processing has been used in preference to absolute speed contraints.) The web tree contains very few graphics and almost no complex typesetting markup except for very simple tables, and the main pages can be accessed directly from the menu.

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