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Release 2023-10-20: vm-monitor memory.high throttling fixes #5610

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Oct 20, 2023
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4 changes: 2 additions & 2 deletions libs/vm_monitor/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,8 @@ and old one if it exists.
* the filecache: a struct that allows communication with the Postgres file cache.
On startup, we connect to the filecache and hold on to the connection for the
entire monitor lifetime.
* the cgroup watcher: the `CgroupWatcher` manages the `neon-postgres` cgroup by
listening for `memory.high` events and setting its `memory.{high,max}` values.
* the cgroup watcher: the `CgroupWatcher` polls the `neon-postgres` cgroup's memory
usage and sends rolling aggregates to the runner.
* the runner: the runner marries the filecache and cgroup watcher together,
communicating with the agent throught the `Dispatcher`, and then calling filecache
and cgroup watcher functions as needed to upscale and downscale
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