Huge RAM Ussage on OSD recovery

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Hi, today mi Infra provider has a blackout, then the Ceph was try to recover but are in an inconsistent state because many OSD can recover itself because the kernel kill it by OOM. Even now one OSD that was OK, go down by OOM killed.

Even in a server with 32GB RAM the OSD use ALL that and never recover, i think that can be a memory leak, ceph version octopus 15.2.3

In: https://pastebin.pl/view/59089adc
You can see that buffer_anon get 32GB, but why?? all my cluster is down because that.
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