[mythtv-users] SSD for speed up FE/BE

[James Linder]

On 08/06/2012, at 4:10 AM, mythtv-users-request at mythtv.org wrote:

>> I am thinking on buy a little SSD drive to speed up my Nvidia ION Atom
>> FE/BE system. Actually I host MySQL data directory on 2.5 HDD
>> (5400rpm) EXT4 disk. I have some questions about SSD setup.
>> 
>> 1. Which is the best option to host MySQL datadir? EXT3? EXT4? XFS?
>> Mount options?
>> 2. Must I host other files on the SSD disk? channel icons? logs?
>> 
>> I am planning on buy a little disk, maybe 4 or 8GB. I will appreciate
>> any help, thanks and best regards.
> 
> I started a thread on my SSD upgrade earlier this year, and a lot was
> discussed there. Check it out in the archives.
> 
> My biggest concern is what sort of "SSD" are you planning to use? When
> you say 4-8GB, I don't think they make real SSDs in that size, so you
> I'm assuming you mean to get a flash drive (compact flash, SD, memory
> stick, etc). If so, my biggest concerns with those would be
> 
> 1) performance - even though access times should be good, sequential
> access will be considerably slower than a HDD. It seems like most
> flash cards are limited to 20-30 MB/sec unless you pay more for a high
> end one. Overall you'll probably still be better off than an HDD, but
> I can't say for certain how much better.

[snip]

I've played with SD cards and with USB mem sticks on my embedded systems.
Despite the hype and specs they are S-L-O-W really SLOW. YMMV but beware.

James