third-party-mirrors/zfs_autobackup
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add some performance options

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Edwin Eefting 2019-02-16 21:00:09 +01:00
parent 6a481ed6a4
commit 2255e0e691
1 changed files with 9 additions and 1 deletions
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zfs_autobackup
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@ -263,7 +263,6 @@ remote send -> remote buffer -> ssh -> local buffer -> local receive
remote to remote:
remote send -> remote buffer -> ssh -> local buffer -> ssh -> remote buffer -> remote receive
TODO: can we string together all the zfs sends and recvs, so that we only need to use 1 ssh connection? should be faster if there are many small snaphots
@ -279,6 +278,15 @@ def zfs_transfer(ssh_source, source_filesystem, first_snapshot, second_snapshot,
source_cmd.extend(["zfs", "send", ])
#all kind of performance options:
source_cmd.append("-L") # large block support
source_cmd.append("-e") # WRITE_EMBEDDED, more compact stream
source_cmd.append("-c") # use compressed WRITE records
if not args.resume:
source_cmd.append("-D") # dedupped stream, sends less duplicate data
#only verbose in debug mode, lots of output
if args.debug or args.verbose:
source_cmd.append("-v")