Aw: Re: [PATCH] Reduce memory usage

Rupert Gallagher ruga at
Sun Oct 3 09:17:27 UTC 2021

-------- Original Message --------
On Oct 2, 2021, 12:36, < devzero at> wrote:
>>In the exchange I argued that proper use of ram as a buffer would have cut down backup time to minutes instead of days.

>could you give an example where rsync is slowing things down so much due to ram constraints or inefficient ram use?

You find it all in the exchange I already referred to.

>please mind that disk bandwith and file copy bandwith is not the same. random i/o and seek time is the culprit.

I am glad you did your homework.

>why should rsync use ram for buffering data it copies, if the linux kernel / vm subsystem already does this?

Because my server is not using linux?
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