<!-- keep this as a security measure: #uncomment if the subject should only be modifiable by the listed groups # * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup,Main.CMSAdminGroup # * Set ALLOWTOPICRENAME = Main.TWikiAdminGroup,Main.CMSAdminGroup #uncomment this if you want the page only be viewable by the listed groups # * Set ALLOWTOPICVIEW = Main.TWikiAdminGroup,Main.CMSAdminGroup,Main.CMSAdminReaderGroup --> ---+ Comparison of I/O Performance on /t3home, /work and /eos with simple dd benchmark measure of write performance to eos - *7.9 MB/s* <pre> dd if=/dev/zero of=/eos/home-n/username/test/dd bs=1024 count=2000 2048000 bytes (2.0 MB) copied, 0.259775 s, 7.9 MB/s </pre> same test to /t3home - *72.5 MB/s* <pre> dd if=/dev/zero of=dd bs=1024 count=2000 2048000 bytes (2.0 MB) copied, 0.0282484 s, 72.5 MB/s </pre> same test to /work - *46.4 MB/s* <pre> dd if=/dev/zero of=/work/username/dd bs=1024 count=2000 2048000 bytes (2.0 MB) copied, 0.0441331 s, 46.4 MB/s </pre> -- Main.NinaLoktionova - 2020-03-19
This topic: CmsTier3
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WebHome
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HowToEOS
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Dd
Topic revision: r1 - 2020-03-19 - NinaLoktionova
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