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Old 08-17-2010, 06:22 AM   #1
MikeyCarter
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Question Is there an iotop based on file access?


The process is a good start for seeing what's using file io and how much... however, is there a way to take it to the file level?

ie: I've got a lot of load in the /var/lib/pgsql area. I want to see which files are the consent io, so I can put just that directory/file(s) on a faster disk.
 
Old 08-18-2010, 04:47 PM   #2
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AFAIK not. At least "Understanding the Linux Kernel" tells me the I/O scheduler delays individual read/write requests and tries to group them for performance reasons. A write operation therefore could have been triggered by multiple applications requesting writes to multiple files.
 
  


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