Re: ultralog: new concept of logging API

From:
Lew <lewbloch@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 29 Jan 2013 22:56:37 -0800 (PST)
Message-ID:
<2b62b845-32a5-4102-9e9b-8157f52476ba@googlegroups.com>
Mikhail Vladimirov wrote:

DUDE! Attribute quotes!

Please.

Arne wrote:

Any measurements of the impact for some realistic code?

 
The idea that high-performance application may want to process data witho=

ut producing garbage is not something new. Check, for example, this link: =
http://oreilly.com/catalog/javapt/chapter/ch04.html

 
The same could be said about lock-free design. It is well known approach=

 to increase performance of multi-threaded applications.

 
Ultralog is not the first Java library designed to be garbage- and lock-f=

ree and focused on demands of high performance applications. See, for exam=
ple, LMAX Disruptor: http://lmax-exchange.github.com/disruptor/ It is all =
about hot to avoid lock and garbage creation and it states itself as "High =
Performance Inter-Thread Messaging Library".

 
Ultralog is even not the first attempt to create garbage-free logging fra=

mework for Java. See, for example, the following link: https://bitbucket.o=
rg/vladimir.dolzhenko/gflogger/wiki/Home It states its goal as "to create =
ad-hoc logger for low latency (latency critical) applications (to be precis=
e for latency critical execution path) which will affect application explic=
it and implicit (though gc pauses) as less as it possible". It does not cl=
aim itself to be lock-free though.

 
What is new in ultralog in comparison with gflogger, is that it demonstra=

tes that garbage-free logging could be done without sacrificing code readab=
ility.

In other words, no, no measurements.

--
Lew

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