Messages in this thread |  | | Date | Mon, 6 Jan 2020 13:24:36 +0000 | From | Chris Down <> | Subject | Re: [RFC] memcg: Add swappiness to cgroup2 |
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Michal Hocko writes: >I am not really sure I agree here though. Swappiness has been >traditionally more about workload because it has been believed that it >is a preference of the workload whether the anonymous or disk based >memory is more important. Whether this is a good interface is debatable >of course but time has shown that it is extremely hard to tune.
Sure, it can theoretically be hardware- and workload-specific -- I don't think we disagree here. The reason I suggest it's a generally hardware-specific tunable rather than a workload-specific tunable is it's pretty rare to see anyone who's meaningfully used it for workload-specific tuning :-)
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