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Hi Helmut, |
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|
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this is common problem with nfs. I would suggest investigate more about |
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nfs4 (better caching). And try to play with mount options |
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rsize=1024,wsize=1024. I think default is 8k. |
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|
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Robert. |
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|
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V Fri, 20 Apr 2012 20:29:57 +0200 |
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Helmut Jarausch <jarausch@××××××××××××××××.de> napsáno: |
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|
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> Hi, |
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> |
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> on one of our students' lab the home directories of the students are |
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> mounted via NFS. |
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> Our main application (www.codelite.org) seems to write a lot of |
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> small chunks to files in the |
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> students' home directories. |
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> |
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> Thus, just finishing Codelite takes 100 seconds while the same |
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> version on a pure local machine |
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> takes about 2 seconds for that. |
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> |
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> A simple test |
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> dd bs=80 count=10000 if=/dev/zero of=$HOME/Test |
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> shows only 80 Kb/sec (speed of a floppy drive). |
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> The machine was idle and connected to a dedicated, nearly idle |
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> server by a network |
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> of 1Gb/sec. |
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> |
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> Does anybody have some hints on how to speed up such an NFS3 setup? |
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> |
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> Many thanks for some clues. |
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> |
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> By the way, NFS was set up with the async option. |
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> |
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> Helmut. |
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> |