Difference between revisions of "MD BMG/Usecases"

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(Created page with "* '''mdtest''': test file MD operations on MDS: open, create, lookups, readdir; used in academia and as a comparison tool of FS MD. * '''fstest''': small I/O’s and small fil...")
 
 
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* '''Postmark''': old NetApp benchmark – I built an MPI version; it is used to measure MD operations and file size scalability and files per directory scalability.
 
* '''Postmark''': old NetApp benchmark – I built an MPI version; it is used to measure MD operations and file size scalability and files per directory scalability.
 
* '''Netmist''': used to model any workload from statistics including all MD operations and file operations. Can model Workload objects for I/O performance mixes and combination of I/O and MD. Suitable for initial evaluation of storage as well as for performance troubleshooting.
 
* '''Netmist''': used to model any workload from statistics including all MD operations and file operations. Can model Workload objects for I/O performance mixes and combination of I/O and MD. Suitable for initial evaluation of storage as well as for performance troubleshooting.
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Return to [http://wiki.opensfs.org/MD_BMG Metadata Performance Evaluation] page.

Latest revision as of 09:48, 6 September 2013

  • mdtest: test file MD operations on MDS: open, create, lookups, readdir; used in academia and as a comparison tool of FS MD.
  • fstest: small I/O’s and small files as well as lookups, targeting both MDS and OSS operations and MD HA for multiple MDS’s.
  • Postmark: old NetApp benchmark – I built an MPI version; it is used to measure MD operations and file size scalability and files per directory scalability.
  • Netmist: used to model any workload from statistics including all MD operations and file operations. Can model Workload objects for I/O performance mixes and combination of I/O and MD. Suitable for initial evaluation of storage as well as for performance troubleshooting.

Return to Metadata Performance Evaluation page.