Haochen,
Is your assessment of the slow I/O you are seeing captured from your
solution (during running of your solution) or generic
testing/characterization tools?
I didn't get the performance boost I had wanted over SSD which led me to
redesign the solution which the outcome was orders magnitude faster.
Still, it could be that there are some flags that need to be set to deal
'async' writes?
What is the nature of your application?
Thank You,
Will
On 10/22/15 1:14 AM, Haochen Zhang wrote:
Hi Will,
Thanks for your help. I can mount the tmpfs step by step.
But here is a very strange problem, the iops of the tmpfs is very very
low, even worse than the HDD.
Have you ever evaluated the performance of the Tmpfs?
Looks so wired.
Original Message
*Sender:* Will Beazley<[email protected]>
*Recipient:* smartos-discuss<[email protected]>
*Date:* Tuesday, Oct 20, 2015 11:34
*Subject:* Re: [smartos-discuss] How to create ramdisk in the zone
You can at a minimum create in the GZ and export it to the zone.
You should be able to do it thus:
ramdiskadm -a workdisk1 8180m
zpool create ramworkdisk /dev/ramdisk/workdisk1
zfs create ramworkdisk/tmpfs
zfs set mountpoint=/tmpfs ramworkdisk/tmpfs
zfs set
mountpoint=/zones/*******-d1ec-4035-b19f-aa77cb41c74a/root/tmpfs
ramworkdisk/tmpfs
I just grabbed this out of my history so there may be gap or two.
Yes, I likely should have called it '/tmpfs'.
Apologies for any omissions or other mistakes.
Thank You,
Will
On 10/19/15 10:05 PM, Haochen Zhang wrote:
Hi All,
I’d like to create a ramdisk in the zone, but ramdiskadm cmd report
missing ‘/dev/ramdiskctl’.
So is there any way to create a ramdisk in the zone or it is
currently not supported.
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