There was a time where you could only have one. Don't remember when it was
fixed, but a while ago :-).
Cheers
-- Leif
> On Jul 25, 2016, at 11:41 PM, James Peach <jamespe...@me.com> wrote:
>
>
>
>> On Jul 26, 2016, at 2:13 AM, Steve Malenfant <smalenf...@gmail.com> wrote:
>>
>> I believe there is a limitation to only 1 file path you can use in ATS
>> (might be wrong).
>
> You can use as many cage files or directories as you like. I think the
> limitation you are referring to is that if you use a cache directory you only
> get one file per directory. I usually just use cache files (preallocate to
> whatever size you want to use).
>
>
>> If you use block devices, you can multiple block devices
>> (RAM, SSD or HDD) and assign different volume to them. So you can have
>> different content on different block devices.
>>
>>> On Mon, Jul 25, 2016 at 5:43 AM, Randeep <randeep...@gmail.com> wrote:
>>>
>>> Thank you Leif, James and Steve.
>>>
>>> I don't have any issue using RAMdisk with tmpfs mounting as directory. I
>>> was asking whether it is right thing to do.
>>>
>>> Best regards,
>>> Randeep
>>>
>>> On Sun, Jul 24, 2016 at 6:37 PM, Steve Malenfant <smalenf...@gmail.com>
>>> wrote:
>>>
>>>> Look into the Traffic Control CDN project. They have figured that one out
>>>> with the ramdisk block devices. As far as I can tell, it should be the
>>>> following :
>>>>
>>>> - Set the proper ramdisk_size in the kernel boot line to create big
>>>> enough ramdisk block devices
>>>> - Put as many devices you need in the storage.config. You can have a
>>>> single ram_disk or multiple just like disk volume. Ex: "/dev/ram0 volume=2"
>>>> - Modify the permission to allow ats to read/write from the block devices
>>>> (using udev, if you are not running as root).
>>>> - Reboot server
>>>>
>>>> Steve
>>>>
>>>>> On Sun, Jul 24, 2016 at 3:50 AM, James Peach <jpe...@apache.org> wrote:
>>>>>
>>>>>
>>>>>> On Jul 24, 2016, at 4:21 PM, Randeep <randeep...@gmail.com> wrote:
>>>>>>
>>>>>> Thank you James.
>>>>>>
>>>>>> Is there any specific way do you recommend using ramdisk? As raw
>>>>> device?
>>>>>
>>>>> Like I just said, you can’t use tmpfs as a block device. I believe you
>>>>> can use ramdisk as a block device but I haven’t tried it; you should go
>>>>> read the kernel documentation on that.
>>>>>
>>>>> Like I showed below, tmpfs seems to work fine. Mayb you have some other
>>>>> problem?
>>>>>
>>>>>>
>>>>>> Regards,
>>>>>> Randeep
>>>>>>
>>>>>>> On Sun, Jul 24, 2016 at 11:48 AM, James Peach <jpe...@apache.org>
>>>>>> wrote:
>>>>>>
>>>>>>>
>>>>>>>> On Jul 24, 2016, at 2:18 PM, Randeep <randeep...@gmail.com> wrote:
>>>>>>>>
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> I am trying to use RAMdisk for ats.
>>>>>>>>
>>>>>>>> Here is how I created RAMDISK
>>>>>>>> *mount -o size=20G -t tmpfs none /mnt/ramdisk/*
>>>>>>>>
>>>>>>>> And in storage.config I have specified it as below.
>>>>>>>> cat /opt/ats/etc/trafficserver/storage.config
>>>>>>>> /mnt/ramdisk* 20G*
>>>>>>>>
>>>>>>>> But every time I restart ats, I get the following warning.
>>>>>>>> [Jul 23 21:15:28.334] Server {0x2b9a5aba6380} WARNING: <Store.cc:528
>>>>>>>> (init)> not enough free space for cache directory '/mnt/ramdisk’
>>>>>>>
>>>>>>> I did a quick test and tmpfs doesn’t support any of the ioctl methods
>>>>> that
>>>>>>> we use to determine the block device size and IO parameters so you
>>>>> won’t be
>>>>>>> able to use this as a raw device.
>>>>>>>
>>>>>>> Adding it as a directory seems to work just fine…
>>>>>>>
>>>>>>> [root@fedora-23 trafficserver]# cat
>>>>>>> /opt/ats/etc/trafficserver/storage.config
>>>>>>> /mnt/ramdisk 20G
>>>>>>>
>>>>>>> [root@fedora-23 trafficserver]# ls -lh /mnt/ramdisk
>>>>>>> total 26M
>>>>>>> -rw-r--r-- 1 nobody nobody 20G Jul 23 23:15 cache.db
>>>>>>>
>>>>>>>> My question is, what is the right way to create ramdisk for ats and
>>>>> how
>>>>>>> we
>>>>>>>> need to specify it in the storage.config. (with or without size?)
>>>>>>>>
>>>>>>>> I checked in the documentation also. It doesn't have any information
>>>>>>>> regarding ramdisk. It would be great if someone can add it.
>>>>>>>>
>>>>>>>> --
>>>>>>>> Randeep
>>>>>>>> Mob: +919447831699[kerala]
>>>>>>>> Mob: +919880050349[B'lore]
>>>>>>>> http://twitter.com/Randeeppr
>>>>>>>> http://in.linkedin.com/in/randeeppr
>>>>>>>>
>>>>>>>>
>>>>>>>> [image: --]
>>>>>>>> Randeep Raman
>>>>>>>> [image: http://]about.me/Randeeppr
>>>>>>>> <http://about.me/Randeeppr>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Randeep
>>>>>> Mob: +919447831699[kerala]
>>>>>> Mob: +919880050349[B'lore]
>>>>>> http://twitter.com/Randeeppr
>>>>>> http://in.linkedin.com/in/randeeppr
>>>>>>
>>>>>>
>>>>>> [image: --]
>>>>>> Randeep Raman
>>>>>> [image: http://]about.me/Randeeppr
>>>>>> <http://about.me/Randeeppr>
>>>
>>>
>>> --
>>> Randeep
>>> Mob: +919447831699[kerala]
>>> Mob: +919880050349[B'lore]
>>> http://twitter.com/Randeeppr
>>> http://in.linkedin.com/in/randeeppr
>>>
>>>
>>> [image: --]
>>> Randeep Raman
>>> [image: http://]about.me/Randeeppr
>>> <http://about.me/Randeeppr>
>>>
>>>
