Re: High usage (DATA column) on dedicated for OMAP only OSDs

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Hi Igor,

> On 18 Sep 2024, at 18:22, Igor Fedotov <igor.fedotov@xxxxxxxx> wrote:
> 
> I recall a couple of cases when permanent osdmap epoch growth has been filling OSD with relevant osd map info. Which could be tricky to catch.
> 
> Please run 'ceph tell osd.N status" for a couple of affected OSDs twice within e.g. 10 min interval.
> 
> Then check the delta between oldest_map and newest_map fields - neither the delta should be very large (hundreds of thousands) nor it should grow rapidly within the observed interval.

Side question by topic. What is option controls how much maps to prune? Currently I need to trim 1M osdmaps, but when new map issued, only 30 old maps are removed. What option controls value=30?


Thanks,
k
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