Managing cross partition transactions in a distributed KV system
I spend a blog entry discussing single partition and every partition transactions when using distributed KV systems and solutions for some common problems
Latest
General Discussion
Distribution of queries per second
We need to measure the number of queries-per-second our site gets for capacity planning purposes. Obviously, we need to provision the site based on the peak QPS, not average QPS. There will always be some spikes in traffic, though, where for one particular second we get a really huge number
General Discussion
Graph server
I've seen mentioned in few times sites like Digg or LinkedIn using graph servers to hold their social graphs. But the only sort of open source graph server I've found is http://neo4j.org/ . Can anyone recommend an open source graph server? Thanks Aaron
Google Wave Architecture
Update: Good Vibrations by Radovan Semančík. Lot's of interesting questions about how Wave works, scalability, security, RESTyness, and so on. Google Wave is a new communication and collaboration platform based on hosted XML documents (called waves) supporting concurrent modifications and low-latency updates. This platform enables people to communicate
Example
HotPads Shows the True Cost of Hosting on Amazon
Mather Corgan, president of HotPads, gave a great talk on how HotPads uses AWS to run their real estate search engine. I loved the presentation for a few reasons: It gives real costs on on their servers, how many servers they have, what they are used for, and exactly how
General Discussion
SSL RPC API Scalability
Hi all! So nice to start discussing cool things in this even cooler forum :) I am having a problem .. which i believe is already solved but i would love someone confirming actual experience with the same topic. We are building a client / server architecture, consisting of a web server part
web 2.0
New Book: Even Faster Web Sites: Performance Best Practices for Web Developers
Performance is critical to the success of any web site, and yet today's web applications push browsers to their limits with increasing amounts of rich content and heavy use of Ajax. In his new book Even Faster Web Sites: Performance Best Practices for Web Developers , Steve Souders, web
gigaspaces
GigaSpaces Launches a New Version of its Cloud Computing Framework
This post include detailed on who is using the platform and how from Enterprise applicaitons, to ISV that are looking for SaaS enablement, through partners and solution providers that are looking for to gain a competitive advantage and deploy application in short time to market and small initial investment.
testing
Guess How Many Users it Takes to Kill Your Site?
Update: Here's the first result. Good response time until 400 users. At 1,340 users the response time was 6 seconds. And at 2000 users the site was effectively did. An interesting point was that errors that could harm a site's reputation started at 1000 users.
S3
HotPads on AWS
HotPads abandoned our managed hosting in December and took the leap over to EC2 and its siblings. The presentation has a lot of detail on costs and other things to watch out for, so if you're currently planning your "cloud" architecture, you'll find some
Oracle
Data grid comparison: Oracle Coherence vs Gigaspaces XAP
A short summary of differences between Oracle Coherence and GigaSpaces XAP.
General Discussion
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Hi Friends, I need some help in making site access fast. On an average my site has the traffic 2500 hits per day and on 16th May it had 60,000 hits. On this day site was loading very slow even it was getting time out. I also check out