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Date: Mon, 23 Apr 2007 02:05:47 +0530
From: "Karuna sagar K" <karunasagark@...il.com>
To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: ChunkFS - measuring cross-chunk references
Hi,
The attached code contains program to estimate the cross-chunk
references for ChunkFS file system (idea from Valh). Below are the
results:
test on ext3, / partition-1 on 27 March 2007
Number of files = 217806
Number of directories = 24295
Total size = 8193116 KB
Total data stored = 7557892 KB
Size of block groups = 131072 KB
Number of inodes per block group = 16288
Total no. of cross references = 60657
------------------------------------------------
test on ext3, / partition-1 on 22 March 2007
Number of files = 230615
Number of directories = 24243
Total size = 8193116 KB
Total data stored = 7167212 KB
Size of block groups = 131072 KB
Number of inodes per block group = 16288
Total no. of cross references = 62163
------------------------------------------------
test on ext3, / partition-2 on 22 March 2007
Number of files = 79509
Number of directories = 6397
Total size = 3076888 KB
Total data stored = 1685100 KB
Size of block groups = 131072 KB
Number of inodes per block group = 16032
Total no. of cross references = 17996
---------------------------------------------------------------------------
test on ext3, /home partition-3 on 20 April 2007
Number of files = 157632
Number of directories = 13652
Total size = 10233404 KB
Total data stored = 9490196 KB
Size of block groups = 131072 KB
Number of inodes per block group = 16224
Total no. of cross references = 27184
---------------------------------------------------------------------------
Comments??
Thanks,
Karuna
Download attachment "cref.tar.bz2" of type "application/x-bzip2" (2134 bytes)
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