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fs_mark - Benchmark synchronous/async file creation




fs_mark is meant to give some low level bashing to file systems. The write pattern that it
concentrates on is heavily synchronous IO across multiple directories, drives, etc.


-h Print usage and exit.

-k Keep files after each iteration.

-F Run until filesystem is full.

Method to be used for synchronizing changes to disk:

0: No Sync

1: fsyncBeforeClose

2: sync/1_fsync

3: PostReverseFsync

4: syncPostReverseFsync

5: PostFsync

6: syncPostFsync

Use number subdirectories.

Use number files in each subdirectory in round robin mode.

Use directory. Can be specified multiple times.

Log to logfile.

Repeat the benchmark number of iterations.

Use number of files per iteration.

Use number of total bytes file names.

Use number of random bytes in file names.

Use number of bytes as size of each file.

Use number of threads.

Use number (of bytes per write() syscall.


fs_mark was written by Ric Wheeler <[email protected]>.

This manual page was written by Martin Steigerwald <[email protected]>, for the Debian project
(but may be used by others).

fs_mark: Benchmark synchronous/async file crMarchn2012 FS_MARK(1)

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