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restic-compose-backup
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Note about Popen buffer size

This commit is contained in:
Einar Forselv 2019-12-04 03:33:30 +01:00
parent f288f77aa4
commit 9fad6f5f38
1 changed files with 3 additions and 0 deletions
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restic_compose_backup/restic.py
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@ -40,6 +40,9 @@ def backup_from_stdin(repository: str, filename: str, source_command: List[str])
]) ])
# pipe source command into dest command # pipe source command into dest command
# NOTE: Using the default buffer size: io.DEFAULT_BUFFER_SIZE = 8192
# We might want to tweak that to speed up large dumps.
# Actual tests tests must be done.
source_process = Popen(source_command, stdout=PIPE) source_process = Popen(source_command, stdout=PIPE)
dest_process = Popen(dest_command, stdin=source_process.stdout, stdout=PIPE, stderr=PIPE) dest_process = Popen(dest_command, stdin=source_process.stdout, stdout=PIPE, stderr=PIPE)
stdout, stderr = dest_process.communicate() stdout, stderr = dest_process.communicate()