Slower performance with ext4

[Mark Kirkwood]

Christopher Chan wrote:
>
> Heh, what do you know? I have been burned by XFS after a powerloss and 
> got over 4000 zero length files in a postfix queue. No filesystem 
> corruption, just zero data files. You want to tell me that postfix does 
> not use fsync? You can guess what I did to the XFS filesystem mounted 
> for the queue directory. I destroyed it and got ext3 instead in full 
> data journal mode. Which I repeated on all the other mtas that had a XFS 
> filesystem for their mail queue.
>
>   

Hmm - not gonna get into trading personal insults , as nothing is to be 
gained that way.

You were running this on server grade hardware? or - let me guess - a 
workstation with cheap sata drives? I have run many instances of mysql, 
postgres and oracle on *server* grade hardware [1] with xfs for probably 
the last 7 years and never have *any* data corruption issue in spite of 
many power outages...

regards

Mark

[1] meaning a designated server mobo with eec ram and scsi (or sas) hard 
drives.