All Stories

The –status command line option is used to query running searchd instance status, using the connection details from the provided configuration file. It tries to connect to the running instance using the first configured UNIX socket or TCP port. On…

Where can I find the public IP addresses that used by Amazon AWS? I think you might have such a question if you use Amazon heavily for your infrastructure. Here comes a post from Amazon’s official websites, it answers this…

When using Amazon, your payment covers only what you use — that’s system resources and network resources based. There is no minimum fee. Also you can estimate your monthly bill using AWS Simple Monthly Calculator.

Red Hat on Wednesday (10, Nov. 2010) released version 6 of its Red Hat Enterprise Linux (RHEL) distribution. RHEL 6 has more than 2,000 packages, and an 85 percent increase in the amount of code from the previous version, said…

Note: This is a copied version from IOZone official document IOzone_msword_98.pdf. Definitions of the tests Write: This test measures the performance of writing a new file. When a new file is written not only does the data need to be…

Unbuffered memory is also known as unregistered memory (or UDIMM). Buffered memory is also known as registered memory (or RDIMM). Unbuffered memory is memory where the memory controller module drives the memory directly, instead of using a store-and-forward system like…

Pingdom.com created a nice article last month, it took a look at some of the software and techniques that used by Facebook to keep its site up and running smoothly in spite of handling close to half a billion active…

Redhat.com release another update of RHEL5 yesterday at 2010/03/30. This minor update releases typically provide feature enhancements, bugfixes and new hardware support. From the release notes:

Cassandra is an open source distributed database management system. It was initially developed by Facebook for storing very large amounts of data. Jeff Hammerbacher, who led the Facebook Data team at the time, has described Cassandra as a BigTable data…

Fedora is a leading edge, free and open source operating system that continues to deliver innovative features to many users, with a new release about every six months. Fedora-12 have several major new features with special focus on desktops, netbooks,…