> 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>
>>
>>
