At 21:36 -0600 11/5/02, Nicholas Gaugler wrote:
I want to alleviate some activity from my drives by changing the
group_home_dir & arch_dir variables for Innodb to a ram disk drive,
/dev/shm/.  Other than loosing all transactions that were taking place
during a box crash, are there any problems with this?  If the box crashes
(which shouldn't happen) or I reboot the server, I will loose all of these
files, Innodb should be able to re-create them with ease though, correct?
The logs contain the information necessary to recover from a crash.
If you put them in a RAM disk and you have a crash, you lose the
information necessary to recover from the crash.

InnoDB can create *new* log files after a crash, but I'm not sure your
tables will be in a consistent state.  And without the previous logs, it might
be difficult to put them in a consistent state.

This should help speed transactions up and alleviate some activity on my
over burden drives, I hope.  Does anyone have any valid input or problems
with this situation?


Thanks in advance,

nickg

sql,query

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