Tag Archives: ext4

EXT4 vs XFS: large volumes with low-end RAID controller

Posted on January 12, 2012 by admin

Some months ago, I wrote an article comparing EXT3, EXT4, XFS and BTRFS filesystem performances with a Fedora 14 x86_64 installation done on a Dell Latitude D620 laptop. While the results were quite interesting (especially to evaluate BTRFS performance), they … Continue reading →

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alloc_sem of Ext4 block group

Posted on January 10, 2012 by admin

Yesterday Amir Goldstein sent me an email for a deadlock issue. I was in Chinese New Year vacation, could not have time to check the code (also I know I can not answer his question with ease). Thanks to Ted, … Continue reading →

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