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Note that the speed difference for striping is very dependent on the parameters. Depending on how you set the striping parameters and number of disks you may get a difference in orders of magnitude. Note that you have to choose to optimize for random or sequential access.
hdparm
to configure your disk's interface! The
following should be quite good hdparm
options for MySQL (and
probably many other applications):
hdparm -m 16 -d 1 |
Note that performance and reliability when using the above depends
on your hardware, so we strongly suggest that you test your system
thoroughly after using hdparm
. Please consult the hdparm
man page for more information. If hdparm
is not used wisely,
filesystem corruption may result, so back up everything before
experimenting!
-o noatime
option. That skips updates
to the last access time in inodes on the filesystem, which avoids
some disk seeks.
-o async
option to set the filesystem to be updated asynchronously. If your computer is
reasonably stable, this should give you more performance without sacrificing
too much reliability. (This flag is on by default on Linux.)
7.6.1 Using Symbolic Links |
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