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Date: Thu, 6 Aug 2009 10:07:45 -0700
Message-ID: <49bf44f10908061007m5e81a734kba18835bdafba7c2@mail.gmail.com>
Subject: Re: [gentoo-user] {OT} zflashpoint for Linux? (SSD performance
"accelerator")
From: Grant <emailgrant@gmail.com>
To: gentoo-user@lists.gentoo.org
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>>>> Here is some info on zflashpoint:
>>>>
>>>> http://forum.notebookreview.com/showthread.php?p=3D5163549
>>>>
>>>> It is supposed to be an SSD performance "accelerator".
>>>>
>>>> "Gen1 SSDs suffer with small file writes and I read that 90% of
>>>> Windows writes are small, so that introduces overall system lag.
>>>> zflashpoint uses a 32MB buffer for small file writes, combining them
>>>> and dumping them as one big write."
>>>>
>>>> Has anyone heard of development of a similar project for Linux?
>>>
>>> Sounds like a disk cache to me... maybe i'm missing something.
>>
>> Maybe it's just making up for the too-small disc cache on the
>> stuttering SSDs? =A0The 64MB cache on the non-stuttering ones is
>> supposed to have something to do with it. =A0Can this sort of a
>> "software disk cache" be set up on Linux?
>
> I always just assumed Linux used a cache with SSD just like it does
> with everything else but I have no experience or evidence to prove
> that. I know windows doesn't cache writes to USB flash drives, maybe
> it doesn't cache SSD either.
Alright, but my girlfriend's Gentoo SSD netbook has fairly bad
stuttering problems.
- Grant