From 77287cac04e7582460dc47298bc2811fcf937d2b Mon Sep 17 00:00:00 2001 From: Matt Egger Date: Fri, 19 May 2023 01:11:31 +0100 Subject: system/mbuffer: Added (a tool for buffering data streams) Signed-off-by: bedlam Signed-off-by: Willy Sudiarto Raharjo --- system/mbuffer/README | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 system/mbuffer/README (limited to 'system/mbuffer/README') diff --git a/system/mbuffer/README b/system/mbuffer/README new file mode 100644 index 0000000000000..7e63604626044 --- /dev/null +++ b/system/mbuffer/README @@ -0,0 +1,19 @@ +mbuffer (a tool for buffering data streams) + +mbuffer has a large set of unique features: + - direct support for TCP based network targets (IPv4 and IPv6) + - ability to send to multiple targets in parallel + - support for multiple volumes + - I/O rate limitation + - high/low watermark based restart criteria + - configurable buffer size + - on the fly MD5 hash calculation + +It is especially useful, if you are writing backups to fast tape drives +or libraries. Those drives tend to stop and rewind if they have a buffer +underrun. This so called tape screwing reduces the lifetime of the +motors. + +mbuffer can prevent buffer underruns, if used correctly and speed up +the whole backup process. Please read the man page for details, how to +use it. -- cgit v1.2.3