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Backport upstream changes to watch cache enablement #16398

Merged
merged 3 commits into from
Sep 26, 2017
Merged

Backport upstream changes to watch cache enablement #16398

merged 3 commits into from
Sep 26, 2017

Commits on Sep 18, 2017

  1. UPSTREAM: 52112: Allow watch cache disablement per type 

    Backport the change that allows a global default watch cache size as
well as being able to disable an individual watch cache item
    @smarterclayton
    smarterclayton committed Sep 18, 2017
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  2. React to changes in watch cache initialization 

    Remove some complexity in RESTOptionsGetter and add default watch cache
sizes for resources that are read by nodes.
    @smarterclayton
    smarterclayton committed Sep 18, 2017
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  3. Disable the watch cache for most resources by default 

    Any resource named by the heuristics gets a watch cache by default.
Admins can restore the previous behavior by setting
`--default-watch-cache-size` to a positive integer. This reduces the
amount of total memory allocated on large cluster significantly at minor
cost in CPU on the etcd process and an increase in network bandwidth to
etcd.
    @smarterclayton
    smarterclayton committed Sep 18, 2017
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