Advanced Java
96 views | +0 today
Follow
Your new post is loading...
Your new post is loading...
Scooped by Björn Frantzén
Scoop.it!

OLTP Performance - Concurrent Mid-Tier Connections - YouTube

In this video, Andrew Holdsworth, Senior Director of Oracle's Real World Performance team demonstrates the negative impact of creating too many database conn...
Björn Frantzén's insight:

Just adding connections to your connection pool can be detrimental to your performance. Be smart, think Mechanical Sympathy...

more...
No comment yet.
Rescooped by Björn Frantzén from Java Performance
Scoop.it!

Java is the new C: Comparision of different concurrency models ...

Java is the new C: Comparision of different concurrency models ... | Advanced Java | Scoop.it
The subtleties of the Java Memory Model are not well known to most Java programmers. Even if JMM is ... This model seems to fit existing CPU, memory and VM architectures better resulting in high throughput and superior performance.

Via Simon Hunanyan
Björn Frantzén's insight:

Comparison between Actor, CSP, Disruptor and regular Java Concurrency implementations.

more...
Simon Hunanyan's curator insight, February 3, 2014 10:14 PM

In order to make use of modern multi core/socket hardware, Java offers threads and locks for concurrent programming. It is well known this model suffers of a number of problems - Deadlocks, incorrect synchronization problems, the growing application is hard to safely modify , the  subtleties of Java Memory Model is unknown to most Java programmers, etc.
Author presents a simple benchmark of the most popular "alternative" concurrency models: Actors, CSP and Disruptor.

Scooped by Björn Frantzén
Scoop.it!

HikariCP. It's faster.

HikariCP. It's faster. | Advanced Java | Scoop.it
Björn Frantzén's insight:

Finally an extremely fast and still reliable ConnectionPool. Lots of micro-optimizations going on (don't try this at home) but we are thankful for the results!

more...
No comment yet.
Scooped by Björn Frantzén
Scoop.it!

React | A JavaScript library for building user interfaces

React | A JavaScript library for building user interfaces | Advanced Java | Scoop.it
A JavaScript library for building user interfaces
Björn Frantzén's insight:

The next new thing...

more...
No comment yet.
Scooped by Björn Frantzén
Scoop.it!

Eight ancient statues missing in East Java

Eight ancient statues missing in East Java | Advanced Java | Scoop.it
Eight ancient relics have reportedly gone missing from the Ponorogo regency administration hall in East Java.Rizki Susantini, archeologist at the ...
Björn Frantzén's insight:

Some Java news...

more...
No comment yet.