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editor's review

Blogbench 1.1 is the portable file system that is considered as the benchmark for most of the companies that are using one or the other kind of file system. This can be used extensively for reproducing the complete load of the real world resembling busy life server that has to do several things. The software enabled the individuals to generate stress on the internal file system with the help of multiple threads that are created by the applications for random reads, writes and the rewrites in the order that is much closer to the realistic idea. This can also introduce the new definition of scalability and concurrency that is met by the system that you are handling.

Though this software was initially designed for mimicking the behavior exhibited by Skyblog.com which is considered as the best blog service you have to still work with 4 different varieties of threads that are related to the work like thee writers, rewriters, readers and the commenter. All these four threads can be easily monitored though the count might be high. The new files are written automatically and then the content is automatically pushed with the limit of 8 Kb blocks in to the temporary files after which you get them renamed once after checking everything is fine.
Version reviewed: 1.1 Date: 03:49:00 PM, Tuesday, Dec 27, 2011

linux default iconBlogbench Publisher's description

Blogbench is a portable filesystem benchmark.

Blogbench is a portable filesystem benchmark that tries to reproduce the load of a real-world busy file server.

It stresses the filesystem with multiple threads performing random reads, writes and rewrites in order to get a realistic idea of the scalability and the concurrency a system can handle.

Blogbench was initially designed to mimic the behavior of the Skyblog.com
blog service.

4 different types of threads are started:

- The writers. They create new blogs (directories) with a random amount of
fake articles and fake pictures.

- The rewriters. They add or they modify articles and pictures of existing

- The "commenters". They add fake comments to existing blogs in random order.

- The readers. They read articles, pictures and comments of random blogs. They
sometimes even try to access non-existent files.

New files are written atomically. The content is pushed with 8 Kb chunks in a
temporary file that gets renamed if everything completes. 8 Kb is the default
PHP buffer size for writes.

Reads are performed with a 64 Kb buffer.

Concurrent writers and rewriters can quickly create fragmentation if the
preallocation is not optimal. But it is very interesting to check how
different filesystems reacts to fragmentation.

Every blog is a new directory withing the same parent directory. Since some
filesystems are unable to manage more than 32k or 64k links to the same
directory (an example is UFS), you should not force the test to run a silly
amount of time on these filesystems.

What's New in This Release:

В· This version fixes crashes that happened with some non-default settings.

System Requirements:

No special requirements.
Program Release Status: Minor Update
Program Install Support: Install and Uninstall

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