Displaying 3 results from an estimated 3 matches for "453m".
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2005 Nov 21
5
question about disk performance in domU
...***********************************************************************************************
cctest1$ df -lh
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 1.5G 1.1G 306M 78% /
tmpfs 62M 4.0K 62M 1% /dev/shm
/dev/sda6 4.2G 3.6G 453M 89% /tmp
/dev/sda5 938M 205M 685M 23% /var
cctest1$ dmesg | grep DMA
DMA zone: 101376 pages, LIFO batch:16
cctest1$ for i in `seq 1 10`; do hdparm -tT /dev/sda1; done
Timing cached reads: 512 MB in 2.00 seconds = 256.00 MB/sec
Timing buffered disk reads: 44 MB in 3.0...
2005 Nov 21
0
question about disk performance in domU
...***********************************************************************************************
cctest1$ df -lh
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 1.5G 1.1G 306M 78% /
tmpfs 62M 4.0K 62M 1% /dev/shm
/dev/sda6 4.2G 3.6G 453M 89% /tmp
/dev/sda5 938M 205M 685M 23% /var
cctest1$ dmesg | grep DMA
DMA zone: 101376 pages, LIFO batch:16
cctest1$ for i in `seq 1 10`; do hdparm -tT /dev/sda1; done
Timing cached reads: 512 MB in 2.00 seconds = 256.00 MB/sec
Timing buffered disk reads: 44 MB in 3.0...
2007 Feb 27
16
understanding zfs/thunoer "bottlenecks"?
Currently I''m trying to figure out the best zfs layout for a thumper wrt. to read AND write performance.
I did some simple mkfile 512G tests and found out, that per average ~ 500 MB/s seems to be the maximum on can reach (tried initial default setup, all 46 HDDs as R0, etc.).
According to http://www.amd.com/us-en/assets/content_type/DownloadableAssets/ArchitectureWP_062806.pdf I would