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syncoid: add '--mbuffer-size' option

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root 2018-12-23 09:18:49 -05:00
parent a7cb1e2226
commit ca76f4268b
1 changed files with 6 additions and 2 deletions
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syncoid
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@ -14,13 +14,16 @@ use Pod::Usage;
use Time::Local;
use Sys::Hostname;
my $mbuffer_size = "16M";
# Blank defaults to use ssh client's default
# TODO: Merge into a single "sshflags" option?
my %args = ('sshkey' => '', 'sshport' => '', 'sshcipher' => '', 'sshoption' => [], 'target-bwlimit' => '', 'source-bwlimit' => '');
GetOptions(\%args, "no-command-checks", "monitor-version", "compress=s", "dumpsnaps", "recursive|r",
"source-bwlimit=s", "target-bwlimit=s", "sshkey=s", "sshport=i", "sshcipher|c=s", "sshoption|o=s@",
"debug", "quiet", "no-stream", "no-sync-snap", "no-resume", "exclude=s@", "skip-parent", "identifier=s",
"no-clone-handling", "no-privilege-elevation", "force-delete", "no-clone-rollback", "no-rollback") or pod2usage(2);
"no-clone-handling", "no-privilege-elevation", "force-delete", "no-clone-rollback", "no-rollback",
"mbuffer-size=s" => \$mbuffer_size) or pod2usage(2);
my %compressargs = %{compressargset($args{'compress'} || 'default')}; # Can't be done with GetOptions arg, as default still needs to be set
@ -56,7 +59,7 @@ my $pscmd = '/bin/ps';
my $pvcmd = '/usr/bin/pv';
my $mbuffercmd = '/usr/bin/mbuffer';
my $sudocmd = '/usr/bin/sudo';
my $mbufferoptions = '-q -s 128k -m 16M 2>/dev/null';
my $mbufferoptions = "-q -s 128k -m $mbuffer_size 2>/dev/null";
# currently using ls to check for file existence because we aren't depending on perl
# being present on remote machines.
my $lscmd = '/bin/ls';
@ -1489,6 +1492,7 @@ Options:
--skip-parent Skips syncing of the parent dataset. Does nothing without '--recursive' option.
--source-bwlimit=<limit k|m|g|t> Bandwidth limit on the source transfer
--target-bwlimit=<limit k|m|g|t> Bandwidth limit on the target transfer
--mbuffer-size=VALUE Specify the mbuffer size (default: 16M), please refer to mbuffer(1) manual page.
--no-stream Replicates using newest snapshot instead of intermediates
--no-sync-snap Does not create new snapshot, only transfers existing
--no-clone-rollback Does not rollback clones on target