RFC: slow-down option

Joe josephj at main.nc.us
Thu Apr 3 06:03:13 MDT 2014

This is way beyond my level of expertise, but wouldn't something like
ionice help with that?

Also, check out:

2 more pipe utilities

Viewer & throttle

Throttle - limits bandwidth of a pipe - for use with network transfers



On 04/03/2014 07:41 AM, Marian Marinov wrote:
> Hello,
> I've been using rsync on some backup servers for years. In 2011 we had
> a situation where the FS of the backup server was behaving strange,
> even thou there was enough available I/O, the fs(ext4 on 16TB
> partition with a lot of inodes) was lagging. After much testing we
> found that rsync was hammering the fs too hard.
> At that point I patched rsync to add a stupid option which will sleep
> for a while before creating new file.
> That helped us a lot to keep the same rate of concurrent rsyncs to the
> same machine.
> I would love your comments on this, generally stupid approach to the
> problem :)
> Best regards,
> Marian

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