Brian Swartzfager03/08/13
860 views
0 replies
As I mentioned in my previous blog post, in order to try out BugLogHQ in my work environment, I knew I would have to update the code so it could run against Oracle database tables. So I started looking through the code to see how difficult of a task that would be, to see if it was worth the trouble.
Allen Coin03/08/13
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0 replies
'In this talk, we will explore what CPU caches are, how they work and how to measure your JVM-based application data usage to utilize them for maximum efficiency."
Ayende Rahien03/08/13
560 views
0 replies
By far the most confusing feature in RavenDB has been the index’s Transform Result. We introduced this feature to give the user the ability to do server side projections, including getting data from other documents.
Raymond Camden03/07/13
628 views
0 replies
I wrote up the following simple script that takes a base directory and gets all the files recursively. It then checks each file and sees when it was last updated.
Leigh Shevchik03/07/13
1761 views
1 replies
For every second you shave off load times, you’ll see significant improvement in page views and conversions. There are a variety of ways to speed WordPress up, and most of them have to do with minimizing the number of external calls. Here are some of the most effective techniques.
Peter Zaitsev03/07/13
583 views
0 replies
I decided to try a new asynchronous call to send a query to MySQL using a new MySQLnd driver for PHP. In this post I’ll only show how to make these calls, and in following posts how to measure latency to all nodes.
Ayende Rahien03/07/13
459 views
0 replies
RavenDB’s query optimizer is pretty smart, it knows how to find the appropriate index for your queries, and even create a new index to match your query if it didn’t exist. But that was the limits of its abilities.
Moshe Kaplan03/06/13
763 views
0 replies
Do you plan on installing a new MySQL server? Did you ask yourself what is the best file system for it? What modification are recommended? What MySQL version to use? Do you consider using SSD? You got to the right place.
Jalpesh Vadgama03/06/13
736 views
0 replies
In this post I am going to explain why InProcsessionState was not working with IIS 7.5.
Brian Swartzfager03/06/13
781 views
0 replies
Last month, during a brief lull in my work projects, I decided to tackle an issue I'd been putting off for awhile: finding a better way of managing errors caught and reported by my ColdFusion applications.
John Cook03/06/13
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0 replies
In Thinking, Fast and Slow, Daniel Kahneman comments on The robust beauty of improper linear models in decision making by Robyn Dawes. According to Dawes, or at least Kahneman’s summary of Dawes, simply averaging a few relevant predictors may work as well or better than a proper regression model.
A. Jesse Jiryu Davis03/05/13
756 views
0 replies
Last month, the team in charge of 10gen's Ruby driver for MongoDB ran into a few concurrency bugs, reported by a customer running the driver in JRuby with a large number of threads and connections.
Francois Zaninotto03/05/13
2049 views
0 replies
ode.js is well-know for its good connectivity with NoSQL databases. A less know fact is that it's also very efficient with relational databases. Among the dozens ORMs out there in JavaScript, one stands out for relational databases: Sequelize.
Erik Ejlskov Jensen03/05/13
679 views
0 replies
This sample demonstrates how to create a script in SQLite format, but the general usage pattern is the same no matter what you are scripting. Notice that only three lines of code are required to complete this task!
Ben Forta03/05/13
1647 views
0 replies
Now that ColdFusion supports Java 7, you should indeed upgrade, and (as requested by several ColdFusion users) here are some instructions and pointers.
Ricci Gian Maria03/04/13
1344 views
2 replies
I own both a Vertex3 256GB and a Vertex 4 256, and people usually ask me if the vertex 4 is really faster than vertex 3, or difference in performance are really little.
Hubert Klein Ikkink03/04/13
1066 views
0 replies
Working with code in IntelliJ IDEA is a real joy. To quickly access files we change often we can add those files to Favorites tool window. Once a file is placed in Favorites we can use the shortcut key Cmd + 2 (Alt + 2 for Windows/Linux) to open the tool window and select a file.
Peter Lawrey03/04/13
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0 replies
While coding for Chronicle to get maximum performance is very low level, too low level for most developers, you can still get very good performance with higher level designs which make it easier to use.
Peter Zaitsev03/04/13
1227 views
0 replies
I was curious to check how Percona XtraDB Cluster behaves when it comes to MySQL replication latency — or better yet, call it data propagation latency.
Mark Needham03/03/13
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0 replies
On the team I’m working on there’s been success using an approach where the functionality is still split vertically but we work across a horizontal layer for all the cards before moving onto the next layer.
Peter Zaitsev03/03/13
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0 replies
Following Roel’s post, Percona Server on the Raspberry Pi: Your own MySQL Database Server , I thought what other crazy gadget can I run Percona Server on? And having an Asus Nexus 7 Android tablet I decided to give it a try.
Peter Lawrey03/02/13
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0 replies
Low latency services are designed to be as simple as possible. All the same it is good to a have a picture of the the iteration between a low latency processing engine and the rest of the world.
Peter Zaitsev03/02/13
632 views
0 replies
Percona is glad to announce the release of Percona Server for MySQL version 5.5.29-30.0
Peter Zaitsev03/01/13
755 views
0 replies
The hot topic these days is MySQL 5.6, but there was an important metadata locking change in MySQL 5.5. By default, MySQL 5.5 will “meta-block” for 1 year!
Ayende Rahien03/01/13
476 views
0 replies
During Rob Ashton’s visit to our secret lair, we did some work on hard problems. One of those problems was the issue of index prioritization.
