rsync using a lot of memory at receiving end (receiving end is cPanel ssh login)

Chris Green cl at
Wed Oct 19 16:27:43 UTC 2022

Chris Green via rsync <rsync at> wrote:
> I have been using rsync to copy some web site files to a new (to me)
> hosting platform.  Yesterday I was doing this and noticed that my ssh
> login to cPanel in another terminal window was unresponsive.
> On looking at the browser display of my cPanel admin window I saw that
> the 'Physical Memory Usage' was banging up against my limit of 1Gb.
> No other limits are being reached at all, at most there's 4 or 5
> processes running, CPU load and I/O use is negligable.
> I'm running rsync  version 3.0.9  protocol version 30
Oops, I meant to change that! I'm running rsync  version 3.2.3
protocol version 31.

>                                               and the cPanel
> receiving end is rsync  version 3.0.9  protocol version 30.
> Is this to be expected (using so much memory) or is something going
> wrong somewhere?  More to the point is there anything I can do about
> it? 
> -- 
> Chris Green

Chris Green

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