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backup: improved performance by optimizing tar and gpg options

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This commit is contained in:
Olivier MEDOC 2013-08-14 10:19:15 +02:00
parent fb8748f3e9
commit 6c09189b77
1 changed files with 2 additions and 2 deletions
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4
dom0/qvm-core/qubesutils.py
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@ -1046,8 +1046,8 @@ def backup_do_copy(appvm, base_backup_dir, files_to_backup, progress_callback =
retcode = vm.run(command = "cat > {0}".format(dest_dir + file["basename"]), passio_popen = True) retcode = vm.run(command = "cat > {0}".format(dest_dir + file["basename"]), passio_popen = True)
if encrypt: if encrypt:
compressor = subprocess.Popen (["tar", "-PcO",'--checkpoint=10000', file["path"]],stdout=subprocess.PIPE) compressor = subprocess.Popen (["tar", "-PcO",'--sparse','--checkpoint=10000', file["path"]],stdout=subprocess.PIPE)
encryptor = subprocess.Popen (["gpg2", "-ac", "--force-mdc", "-o-"], stdin=compressor.stdout, stdout=retcode.stdin) encryptor = subprocess.Popen (["gpg2", "-c", "--force-mdc", "-o-"], stdin=compressor.stdout, stdout=retcode.stdin)
encryptor.wait() encryptor.wait()
if encryptor.returncode != 0: if encryptor.returncode != 0: