23e52427d1edf3a7391f95aa9ef902581a6390cb
2 # Desc: A bash function for splitting up rsync jobs based on size
4 echo "ERROR:This is a bash function, not a script." 2>&1; exit 1;
6 function rsync_tranches
() {
7 # Desc: Runs rsync in parallel across different files size ranges
8 # Example: rsync_tranches -avu --progress --dry-run ./SOURCE/ ./DEST/
11 local -a rsync_opts
=();
15 # Parse arguments until source and destination are found
16 while [[ $# -gt 0 ]]; do
18 # If it's not an option, assume it's the source, then the destination
24 if [ -z "$source" ]; then
34 # Validate that source and destination are set
35 if [ -z "$source" ] ||
[ -z "$dest" ]; then
36 echo "Error: Source and destination directories must be specified." 1>&2;
40 # Tranche 1: 0 to 1MiB-1
41 rsync
--min-size='0' --max-size='1MiB-1' "${rsync_opts[@]}" "$source" "$dest" &
43 # Tranche 2: 1MiB to 10MiB-1
44 rsync
--min-size='1MiB' --max-size='10MiB-1' "${rsync_opts[@]}" "$source" "$dest" &
46 # Tranche 3: 10MiB to 100MiB-1
47 rsync
--min-size='10MiB' --max-size='100MiB-1' "${rsync_opts[@]}" "$source" "$dest" &
49 # Tranche 4: Greater than 100MiB
50 rsync
--min-size='100MiB' --max-size='8192PiB-1' "${rsync_opts[@]}" "$source" "$dest" &
52 wait # Wait for all rsync processes to complete
54 export -f rsync_tranches
;