Without reading the links: from more then 20y Linux server and datacenter hosting environment, around 7y of Ceph, and hundreds of different systems all configured without swap. I never ever had a problem with noswap that would be solved using swap.
But on my Linux desktop swap helps me a bit. btw, all multiple hundred croit based ceph deployments are 100% swap free. As we boot over the network directly into the ram, there is no swap disk that would be available. We don't have any issues with this and I doubt we will ever encounter such. -- Martin Verges Managing director Mobile: +49 174 9335695 E-Mail: martin.ver...@croit.io Chat: https://t.me/MartinVerges croit GmbH, Freseniusstr. 31h, 81247 Munich CEO: Martin Verges - VAT-ID: DE310638492 Com. register: Amtsgericht Munich HRB 231263 Web: https://croit.io YouTube: https://goo.gl/PGE1Bx Nigel Williams <nigel.willi...@tpac.org.au> schrieb am So., 8. Dez. 2019, 23:15: > On Sun, 8 Dec 2019 at 00:53, Martin Verges <martin.ver...@croit.io> wrote: > > Swap is nothing you want to have in a Server as it is very slow and can > cause long downtimes. > > Given the commentary on this page advocating at least some swap to > enable Linux to manage memory when under pressure: > > https://utcc.utoronto.ca/~cks/space/blog/unix/NoSwapConsequence > > is it worth modifying the advice to at least have some swap available > (even if only say 5% of overall memory)? > > There was a hnews thread here but to me it seemed inconclusive about > solving the overall problem (other than applications taking more > responsibility for memory consumption): > > https://news.ycombinator.com/item?id=20641551 > _______________________________________________ > ceph-users mailing list -- ceph-users@ceph.io > To unsubscribe send an email to ceph-users-le...@ceph.io >
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