| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Christoph Berg <myon(at)debian(dot)org> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)postgresql(dot)org>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: pgsql: Introduce pg_shmem_allocations_numa view |
| Date: | 2025-06-23 16:26:22 |
| Message-ID: | kl4zd72eeaex7zcicpuvpsuslrs5nfvmab7xzt4jnvcjvd6mxw@tcp64c55qkpj |
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Hi,
On 2025-06-23 17:59:24 +0200, Christoph Berg wrote:
> Re: To Andres Freund
> > Ok, so we leave the touching in, but still defend against negative
> > status values?
>
> v2 attached.
How confident are we that this isn't actually because we passed a bogus
address to the kernel or such? With this patch, are *any* pages recognized as
valid on the machines that triggered the error?
I wonder if we ought to report the failures as a separate "numa node"
(e.g. NULL as node id) instead ...
Greetings,
Andres Freund
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