Tomas,
> But as I said, in my experiments dropping caches did not help.
So we both arrived at a technique that will not work - (he he :))
> What makes this hard to test is that vmcp running out of memory is not
easily reproducible.
Yes, the error has been quite intermittent.
Maybe I'll think about sudo-enabling cmmflush and checking the last field
of /proc/buddyinfo to see if it needs to be run.
Thanks all.
-Mike
On Thu, Jul 9, 2015 at 12:06 PM, Michael MacIsaac <[email protected]>
wrote:
> Let me answer my own question. Perhaps kludgy, but by adding 'tee' to
> sudo, this technique works:
>
> root@lab141:~ # visudo
> root@lab141:~ # tail -1 /etc/sudoers
> %zoom ALL=NOPASSWD:/usr/bin/tee
> root@lab141:~ # su - mike
> mike@lab141:~ # free -m
> total used free shared buffers cached
> Mem: 491 473 18 0 111 170
> -/+ buffers/cache: 190 300
> Swap: 512 0 511
> mike@lab141:~ # echo 3 | sudo /usr/bin/tee /proc/sys/vm/drop_caches >
> /dev/null
> mike@lab141:~ # free -m
> total used free shared buffers cached
> Mem: 491 103 388 0 1 12
> -/+ buffers/cache: 89 401
> Swap: 512 0 511
>
>
>
>>
>
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