I wondered if using a RAM disk (maybe 32 GB) in Qmail would speed up
processing, i.e., handling scanning (using qmail-scanner)?
Is this a crazy idea?
--
William G. Silverstein, Esq.
Litigation Counsel
Licensed in California.
-
It should. Do you need 32 GB?
On 6/6/2024 1:28 AM, William Silverstein wrote:
I wondered if using a RAM disk (maybe 32 GB) in Qmail would speed up
processing, i.e., handling scanning (using qmail-scanner)?
Is this a crazy idea?
--
We've used ramdisks to hold the qmail-queue and it did make a big
difference in speed. Depending on the size of ram disk you could also
consider including /var/log/qmail which also uses a lot of IO. Although
we backed up the ram disk before planned reboots we weren't particularly
concerned if
What would be a good size?
On Thu, June 6, 2024 3:50 am, Eric Broch wrote:
> It should. Do you need 32 GB?
>
> On 6/6/2024 1:28 AM, William Silverstein wrote:
>> I wondered if using a RAM disk (maybe 32 GB) in Qmail would speed up
>> processing, i.e., handling scanning (using qmail-scanner)?
>>
>>
I didn't think about the qmail log files, which would be good.
Where is qmail-queue? What is that? Do you mean /var/qmail/queue? I don't
want to risk mail being lost if the system was unexpectedly shutdown.
On Thu, June 6, 2024 5:39 am, Jeff Koch wrote:
> We've used ramdisks to hold the qmail
HI,
Keep in mind that you do have journaling file system as well.
Remo
> On Jun 6, 2024, at 10:20 AM, William Silverstein wrote:
>
> I didn't think about the qmail log files, which would be good.
>
> Where is qmail-queue? What is that? Do you mean /var/qmail/queue? I don't
> want to risk mai
If I am running files on a ramdisk, how will a journaling file system help?
On Thu, June 6, 2024 10:40 am, Remo Mattei wrote:
> HI,
> Keep in mind that you do have journaling file system as well.
>
> Remo
>
>> On Jun 6, 2024, at 10:20â¯AM, William Silverstein
>> wrote:
>>
>> I didn't think about
Just my opinion
200 MB for the queue
1GB for logs assuming 21 logs x 14MB x 3(sub,send,smtp)
This assumes your going to use actual ram memory - not SSD and not swap
- otherwise there's no point.
Jeff
On 6/6/2024 1:20 PM, William Silverstein wrote:
What would be a good size?
On Thu, June 6
Yes /var/qmail/queue. That folder has most of the I/O and where a ram
disk has the most benefit. And when you create the ramdisk use 'noatime'
so the CPU doesn't waste time logging meaningless access timestamps. You
could do a tarzip backup of the queue folder every 10 minutes. If you
have a su
