dirload

README

dirload (v0.4.7)

About

Set read / write workloads on a file system.

Supported platforms

Unix-likes in general

Requirements

go 1.18 or above

Build

$ make

Usage

$ ./dirload
usage: dirload: [<options>] <paths>
  -clean_write_paths
        Unlink existing write paths and exit
  -debug
        Create debug log file under home directory
  -dirsync_write_paths
        fsync(2) parent directories of write paths
  -flist_file string
        Path to flist file
  -flist_file_create
        Create flist file and exit
  -follow_symlink
        Follow symbolic links for read unless directory
  -force
        Enable force mode
  -fsync_write_paths
        fsync(2) write paths
  -h    Print usage and exit
  -ignore_dot
        Ignore entries start with .
  -keep_write_paths
        Do not unlink write paths after writer Goroutines exit
  -monitor_interval_minute int
        Monitor Goroutines every sum of this and -monitor_interval_second option if > 0
  -monitor_interval_second int
        Monitor Goroutines every sum of this and -monitor_interval_minute option if > 0
  -num_reader int
        Number of reader Goroutines
  -num_repeat int
        Exit Goroutines after specified iterations if > 0 (default -1)
  -num_set int
        Number of sets to run (default 1)
  -num_write_paths int
        Exit writer Goroutines after creating specified files or directories if > 0 (default 1024)
  -num_writer int
        Number of writer Goroutines
  -path_iter string
        <paths> iteration type [walk|ordered|reverse|random] (default "ordered")
  -random_write_data
        Use pseudo random write data
  -read_buffer_size int
        Read buffer size (default 65536)
  -read_size int
        Read residual size per file read, use < read_buffer_size random size if 0 (default -1)
  -stat_only
        Do not read file data
  -time_minute int
        Exit Goroutines after sum of this and -time_second option if > 0
  -time_second int
        Exit Goroutines after sum of this and -time_minute option if > 0
  -truncate_write_paths
        ftruncate(2) write paths for regular files instead of write(2)
  -v    Print version and exit
  -verbose
        Enable verbose print
  -write_buffer_size int
        Write buffer size (default 65536)
  -write_paths_base string
        Base name for write paths (default "x")
  -write_paths_type string
        File types for write paths [d|r|s|l] (default "dr")
  -write_size int
        Write residual size per file write, use < write_buffer_size random size if 0 (default -1)