Re: SSDs

Top Page
Attachments:
Message as email
+ (text/plain)
+ (text/html)
+ (text/plain)
Delete this message
Reply to this message
Author: Eric Cope
Date:  
To: Main PLUG discussion list
Subject: Re: SSDs
Link - http://www.mysqlperformanceblog.com/search/mysql+ssd/




On Tue, Apr 2, 2013 at 1:37 PM, Eric Cope <> wrote:

> There are two major types of SSDs. Multi-level cells and single-level
> cells. Multi-level are cheaper and denser, but fail sooner and are slower.
> Single level are more expensive, but should fail less often.
>
> With respect to performance, I'd be more suspicious of the software (and
> OS for that matter) controlling the drives rather than the drives
> themselves. If the OS is tuned for HDD, then SSDs may not gain any
> benefit.
>
> The High Performace MySQL blog posts data on SSD performance. Its a good
> reference point.
>
> Eric
>
>
> On Tue, Apr 2, 2013 at 1:24 PM, Lisa Kachold <>wrote:
>
>> I have also found that in deference to their claims some of the SSDs are
>> SLOWER than regular enterprise drives.
>> I believe this new technology leaves a lot to be desired.
>>
>>
>> On Tue, Apr 2, 2013 at 12:27 PM, Derek Trotter <>wrote:
>>
>>> I have a question about SSDs. I've read that they like the USB thumb
>>> drives can be written to a certain number of times before they fail. What
>>> is the expected lifetime of an SSD? They're terribly expensive if they're
>>> only going to last 2 or 3 years.
>>>
>>> Derek
>>>
>>> --
>>> "I get my copy of the daily paper, look at the obituaries page, and if
>>> I’m not there, I carry on as usual."
>>>
>>> Patrick Moore
>>>
>>> ------------------------------**---------------------
>>> PLUG-discuss mailing list - .**org<>
>>> To subscribe, unsubscribe, or to change your mail settings:
>>> http://lists.phxlinux.org/**mailman/listinfo/plug-discuss<http://lists.phxlinux.org/mailman/listinfo/plug-discuss>
>>
>>
>>
>>
>> --
>>
>> (503) 754-4452 Android
>> (623) 239-3392 Skype
>> (623) 688-3392 Google Voice
>> **
>> it-clowns.com
>> Chief Clown
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> ---------------------------------------------------
>> PLUG-discuss mailing list -
>> To subscribe, unsubscribe, or to change your mail settings:
>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss
>>
>
>

---------------------------------------------------
PLUG-discuss mailing list -
To subscribe, unsubscribe, or to change your mail settings:
http://lists.phxlinux.org/mailman/listinfo/plug-discuss