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like pg_shmem_allocations, but fine-grained for DSM registry ? - Mailing list pgsql-hackers

From	Florents Tselai
Subject	like pg_shmem_allocations, but fine-grained for DSM registry ?
Date	March 13 19:54:09
Msg-id	4D445D3E-81C5-4135-95BB-D414204A0AB4@gmail.com Whole thread Raw
Responses	Re: like pg_shmem_allocations, but fine-grained for DSM registry ?
List	pgsql-hackers

I’ve been working with the DSM registry API.

I was wondering if it is possible (it doesn’t look like it) or if it has been discussed:

can we expose a view like pg_shmem_allocations, but fine-grained for every named segment (i.e. created by GetNamedDSMSegment )?

Currently, there is a "DSM Registry Data” entry in that view,

but iiuc, it’s only about the top-level hash table the registry uses.

From: Andres Freund
Date: 13 March, 19:50:32
Subject: DROP TABLESPACE waits for checkpoint with lwlock held

From: Andres Freund
Date: 13 March, 19:56:09
Subject: Re: [PATCH] pg_stat_activity: make slow/hanging authentication more visible