Re: How to optimize ext3/ext4 file system performance?

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Thanks for all your valuable comments :)

That's why they're defaults.  :)

:)

-- 
Cheers,
Lakshmipathi.G



On Thu, Jun 11, 2009 at 8:04 PM, Eric Sandeen<sandeen@xxxxxxxxxx> wrote:
> lakshmi pathi wrote:
>> Hi,
>> I want to create ext3FS or ext4FS with it's maximum performace.
>
> You left out the part about what workload you want to maximize...
>
>> I thought about below points (If i'm wrong please let me know ) :
>>
>> 1)Using writeback mode .
>
> Acceptable and helpful in some situations, but be aware of data
> integrity issues here if you crash - files may end up with wrong data in
> them, either your own wrong data, or someone else's.
>
>> 2)Use larger block size (8K)
>
> Only possible if you have 8K or greater pages, and if you're on
> x86/x86_64 etc you're limited to 4K.
>
>> 3)Enable noaccess time, in fstab.
>
> noatime can make a difference.
>
>> I'm not sure about below option,but i read,its about directory optimization.
>> 4)e2fsck -D -f /dev/sda
>
> -D is only useful/applicable on aged filesystems, it won't make any
> difference on a new fs.
>
>> Anyother tips to optimize the file system?  I'm planning to spend
>> sometime with "Linux From scratch" in comings days.
>> So I want "my" system to have better performace  :)
>
> By and large, the defaults provide the best performance for "normal"
> situations.  That's why they're defaults.  :)
>
> -Eric
>

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