Add support for rsync URL in the --rsync option

Registered by Alexey Kopytov on 2013-05-16

Converted from bug #1180356:

"
I see https://blueprints.launchpad.net/percona-xtrabackup/+spec/rsync-with-stream-option , however that involves duplicate I/O.

A better way, from the perspective of SST, would be to make innobackupex take rsync:// URLs. (based on
https://bugs.launchpad.net/percona-xtrabackup/+bug/1180062)

So, like,

innobackupex --rsync rsync://OTHER_HOST:PORT

(The xtrabackup SST script can be modified to use rsync:// daemon)
"

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
Raghavendra D Prabhu
Direction:
Needs approval
Assignee:
None
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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a) I looked at innobackupex and looks like rsync url can be used directly in $rsync_cmd, only part which needs to be skipped is checking if directory exists and creating components of the directory (which shouldn't be required even with normal rsync in innobackupex).

b) I am not sure how Xtrabackup does internally for local directory v/s stream. Latter won't work with rsync (unless librsync is used to rsyncify the stream), however, for former.

(?)

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