Pynfs March 2002

pynfs@lists.lysator.liu.se

1 participants
4 discussions

Documentation
by Peter Åstrand 07 Mar '02

07 Mar '02

I've added some documentation to pynfs, in the doc/ directory. It is based on the text in Appendix B of the report. -- Peter Åstrand Telephone: +46-13-21 46 00 Cendio Systems E-mail: peter(a)cendio.se Teknikringen 3 583 30 Linköping Sweden

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New way of creating & using test tree
by Peter Åstrand 06 Mar '02

06 Mar '02

I've recently redesigned the way the test tree is created and used. The previous method was: * Run test_tree.py locally, with the exported root as argument. * Run nfs4st, which required the test tree to be located at the toplevel of the servers exported resources. This has two drawbacks: 1) It is not always possible to run the test_tree.py locally on the server. This is the case for NetApp Filers, for example. 2) Requiring the directories doc, src, tmp etc to be located on the toplevel on the server was inflexible. The new method is: * Run the new program test_tree_net.py. It does the same work as test_tree.py, but via NFSv4, over the network. It can optionally take a prefix. A directory tree with different kinds of files will be created under <prefix>/nfs4st/ * Run the nfs4st.py test application with the same prefix as test_tree_net.py. Example: ./test_tree_net.py myserver/testing ./nfs4st.py myserver/testing AccessSuite -- Peter Åstrand Telephone: +46-13-21 46 00 Cendio Systems E-mail: peter(a)cendio.se Teknikringen 3 583 30 Linköping Sweden

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Performance testing
by Peter Åstrand 05 Mar '02

05 Mar '02

Some people has asked me if it's possible to use pynfs for performance and/or load testing. The short answer is that pynfs is not very well suitable for this, because it has high latency. The reason for the high latency is partly the choice of Python as programming language and partly the heavy use of classes and instances. But, by sending RPC calls i paralell, just like most NFS clients does, speed can be increased. Further, it's possible to hand-code certain tasks that needs to be fast. -- Peter Åstrand Telephone: +46-13-21 46 00 Cendio Systems E-mail: peter(a)cendio.se Teknikringen 3 583 30 Linköping Sweden

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test
by Peter Åstrand 05 Mar '02

05 Mar '02

This is a test message. Ignore. -- Peter Åstrand Telephone: +46-13-21 46 00 Cendio Systems E-mail: peter(a)cendio.se Teknikringen 3 583 30 Linköping Sweden

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Pynfs March 2002