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Operating Systems
Solaris
Drop_caches doesn't work on Solaris but works on RHEL6
Post 302923880 by Anirudh Kumar on Wednesday 5th of November 2014 02:07:03 AM
11-05-2014
Drop_caches doesn't work on Solaris but works on RHEL6
Hello Experts,
I am performing performance tests on a few mysql select queries.
I use the following command to clear the memory disk caches.
sync && echo 3 | sudo tee /proc/sys/vm/drop_caches
I however see that the above command works on RHEL6 but doesn't work on Solaris 10.
I asked google but didn't get the solution.
Could you please help me in figuring out the command that would do the trick on Solaris as it did on RHEL?
Thanks for your valuable time.
Regards,
Anirudh
I am performing performance tests on a few mysql select queries.
I use the following command to clear the memory disk caches.
sync && echo 3 | sudo tee /proc/sys/vm/drop_caches
I however see that the above command works on RHEL6 but doesn't work on Solaris 10.
I asked google but didn't get the solution.
Could you please help me in figuring out the command that would do the trick on Solaris as it did on RHEL?
Thanks for your valuable time.
Regards,
Anirudh
Last edited by Anirudh Kumar; 11-05-2014 at 03:08 AM.. Reason: Spell check
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LEARN ABOUT FREEBSD
sync
SYNC(8) BSD System Manager's Manual SYNC(8) NAME
sync -- force completion of pending disk writes (flush cache) SYNOPSIS
sync DESCRIPTION
The sync utility can be called to ensure that all disk writes have been completed before the processor is halted in a way not suitably done by reboot(8) or halt(8). Generally, it is preferable to use reboot(8) or halt(8) to shut down the system, as they may perform additional actions such as resynchronizing the hardware clock and flushing internal caches before performing a final sync. The sync utility utilizes the sync(2) function call. SEE ALSO
fsync(2), sync(2), syncer(4), halt(8), reboot(8) HISTORY
A sync utility appeared in Version 4 AT&T UNIX. BSD
May 31, 1993 BSD