Performance

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Java Heap Space – JRockit VM

This article will provide you with an overview of the JRockit Java Heap Space vs. the HotSpot VM. It will also provide you some background on Oracle future...

2 replies - 4582 views - 12/26/12 by Pierre - Hugues... in Articles

Local Variables Inside a Loop and Performance

Overview Sometimes a question comes up about how much work allocating a new local variable takes.  My feeling has always been that the code becomes...

1 replies - 4748 views - 12/25/12 by Peter Lawrey in Articles

Java STOP Thread? Think Again!

  When facing a stuck Thread problem, a common question is how can I dynamically kill the observed stuck Threads in order to quickly recover my...

2 replies - 4746 views - 12/25/12 by Pierre - Hugues... in Articles

Side load may massively impact your MySQL Performance

When we’re looking at benchmarks we typically run some stable workload and we run it in isolation – nothing else is happening on the system. This is...

0 replies - 2498 views - 12/24/12 by Peter Zaitsev in Articles

Community News: Predictions for 2013, Secrets of Facebook Performance & More

In this week’s news, we find out how Facebook approaches release engineering, how Evernote solves its Big Data problem, and what trends lie in store for...

0 replies - 2100 views - 12/24/12 by Leigh Shevchik in Articles

Don’t Use Workflow Bookmarks in Transaction Scopes

It’s been a while since I posted about a workflow-related bug, and it’s not because of my mad WF skillz – it had more to do with Manu’s expertise in...

0 replies - 1521 views - 12/24/12 by Sasha Goldshtein in Articles

Clustrix benchmarks under tpcc-mysql workload

I’ve been working with Clustrix team for long time on the evaluation of Clustrix product, and this is the report on performance characteristics of Clustrix...

0 replies - 3119 views - 12/23/12 by Peter Zaitsev in Articles

SIMD-Optimized C++ Code in Visual Studio 11

The C++ compiler in Visual Studio 11 has another neat optimization feature up its sleeve. Unlike intrusive features, such as running code on the GPU using the...

0 replies - 2188 views - 12/22/12 by Sasha Goldshtein in Articles

Benchmarking Galera replication overhead

When I mention Galera replication as in my previous post on this topic, the most popular question is how does it affect performance. Of course you may...

0 replies - 2166 views - 12/21/12 by Peter Zaitsev in Articles

How fast are Java Datagrams?

Overview Following my article How fast are Java sockets, this article follows the same tests except for Datagrams which use UDP rather than TCP. The...

0 replies - 3796 views - 12/21/12 by Peter Lawrey in Articles

Making your apps truly HA on AWS - lessons from the recent outage

This summer, AWS had an outage in one of their data centers. Unlike last year, this year's outage had lesser impact on only one Availability Zone in the...

0 replies - 2630 views - 12/21/12 by Raghuraman Bala... in Articles

How Flickr delivers Real-Time Push Notifications using Node.js and Redis

Push notifications are, of course, nothing new. Recently, Joshua Cohen at the Flickr blog  described Flickr's process for delivering real-time push...

0 replies - 4892 views - 12/20/12 by Allen Coin in Articles

5 Reasons to Implement a Content Delivery Network (CDN)

By now, we’re all familiar with the adage that “content is king” on the interwebs. That still may be the case — but even a king has limits. As Internet...

0 replies - 5213 views - 12/19/12 by Leigh Shevchik in Articles

When you should and should NOT use ENUM data type

ENUM is a new enumerated data type introduced in CUBRID 9.0. Like in all programming languages, the ENUM type is a data type composed of a set of...

2 replies - 4783 views - 12/19/12 by Esen Sagynov in Articles

EventEmitter in node.js

Sometime back I had pawed at Making promises with javascript, but the node school of thought offers an attractive pattern of...

0 replies - 966 views - 12/18/12 by Hemanth Madhavarao in Articles