Distributed Data – Hadoop, Hbase and Hive http://www.anders.com/cms/282/Distributed.Data/Hadoop/Hbase/Hive
mod_deflate
You can speed-up your pages by installing mod_deflate – this module simply compresses data when send to the client. Text files can be compressed to levels of 15-30% of their original size, so depending on the type of data you
70TB huge file in ext3 file system
Problem A huge file appears in your file system. Sometimes it is over 70TB. Analysis It looks like you had some memory corruption when this file was written, so something was put into the high 32 bits of the file
Restoring Magento database from a backup
Problem MySQL complains when you try to restore data from some SQL backups. This happens to me often when restoring database for Magento. Analysis The problem is with constraint checks. The database you try to restore probably makes use of
Why is SAV a bad idea?
SAV stands for Sender Address Verification. Before accepting an email a email server verifies if the sender exists. Because VRFY commands are disabled on many systems some systems veryfy the sender initiating a SMTP connection and then intercepting it. THIS