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News June 2019
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Back to newsletter 223 contents
This month is a special newsletter on memory leaks, extending my
Devoxx masterclass on
Quickly Analysing A Heap Memory Leak
(and the tips from that are in
this month's tips page if you want the very short version.
Solving memory leaks has a known step-by-step procedure. It might take
time, but you should be able to do it. The steps are straightforward:
- Do I have a leak (and does it needs fixing) ?
- What is leaking (instances of which classes) ?
- What is keeping the objects alive (what instances in the app) ?
- Where is it leaking from (the code where the objects are created and/or assigned) ?
The complexity comes not from needing to know what to do, but instead
comes from the large variety of ways you can have a leak (heap, native,
metaspace, classloaders, statics, sessions, threadlocals, pools, ...),
and from the many different tools you need to use to answer the full
set of questions completely. The links in this newsletter give you
everything you need, and you might notice the new
Heap dump analysers
menu option in the menu bar above. Now on to those links, tips, tools, news, articles, and
talks that will help you solve your memory leaks. And of course the tips
from this month's articles and talks, as ever are extracted into
this month's tips page.
A note from this newsletter's sponsor
JProfiler
Get rid of your performance problems and memory leaks!
News
Java performance tuning related news.
Tools
Java performance tuning related tools.
Articles
Jack Shirazi
Back to newsletter 223 contents
Last Updated: 2025-01-27
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