I haven't used Gluster personally, but have you tried turning performance.parallel-readdir on? https://docs.gluster.org/en/latest/release-notes/3.10.0/#implemented-paralle... It seems there's a reason why it's on by default ( https://www.spinics.net/lists/gluster-devel/msg25518.html) but maybe it'd still be worth it for you? On Mon, May 4, 2020 at 9:55 AM Alvin Starr via talk <talk@gtalug.org> wrote:
I am hoping someone has seen this kind of problem before and knows of a solution. I have a client who has file systems filled with lots of small files on the orders of hundreds of millions of files. Running something like a find on filesystem takes the better part of a week so any kind of directory walking backup tool will take even longer to run. The actual data-size for 100M files is on the order of 15TB so there is a lot of data to backup but the data only increases on the order of tens to hundreds of MB a day.
Even things like xfsdump take a long time. For example I tried xfsdump on a 50M file set and it took over 2 days to complete.
The only thing that seems to be workable is Veeam. It will run an incremental volume snapshot in a few hours a night but I dislike adding proprietary kernel modules into the systems.
-- Alvin Starr || land: (647)478-6285 Netvel Inc. || Cell: (416)806-0133 alvin@netvel.net ||
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