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Large data files

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xulescu
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« on: August 11, 2006, 07:33:17 »
Hi,

 I'm working on a project with databases and I need a filesystem what can handle large datafile and access them very fast. What filesystem to use ? any othe rtuning options ?

Thx
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« Reply #1 on: August 11, 2006, 07:56:44 »
Use ext3  or XFS but try to format the filesystem with big blocks.
What arhitecture have you on that server ?

Regards
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xulescu
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« Reply #2 on: August 11, 2006, 08:25:27 »
I have a dual P4 server. Big blocks ? what do you mean ?

You answer so fast Smiley
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TheGodFather
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« Reply #3 on: August 11, 2006, 08:35:39 »
Quote
Big blocks ? what do you mean ?
Block size of your filesystem.
Code:
Usage: mkfs.ext3 [-c|-t|-l filename] [-b block-size] [-f fragment-size]
        [-i bytes-per-inode] [-j] [-J journal-options] [-N number-of-inodes]
        [-m reserved-blocks-percentage] [-o creator-os] [-g blocks-per-group]
        [-L volume-label] [-M last-mounted-directory] [-O feature[,...]]
        [-r fs-revision] [-R options] [-qvSV] device [blocks-count]
mkfs.ext3 -b 8192 /dev/hdx

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You answer so fast Smiley

I'm just working on my forum so I see all  Cool

Regards
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xulescu
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« Reply #4 on: August 11, 2006, 08:46:31 »
So I tried to format my partions first with XFS and 8k block size ... I formated the partition but when I mounted it I got:
Quote
XFS: Attempted to mount file system with blocksize 8192 bytes
XFS: Only page-sized (4096) or less blocksize currently work.

After that I tried to format with ext3. but when I launched:

mkfs.ext3 -b 8192 /dev/hdc1 I get:

mkfs.ext3: 8192-byte blocks too big for system (max 4096)

4096 is the maximum sized block ?

Thanks
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TheGodFather
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« Reply #5 on: August 11, 2006, 09:27:32 »
You need 64 bit arhitecture for more than 4k block size.

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