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Message-ID: <70589303-83d2-46f3-b192-6b4682db7b75@aklaver.com>
Date: Sun, 16 Feb 2025 08:24:43 -0800
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Subject: Re: Question on Alerts
To: sud <suds1434@gmail.com>,
 pgsql-general <pgsql-general@lists.postgresql.org>
References: <CAD=mzVX2xXh0ruTsyXdjtMPEYv=75tN0Gy+Zcs=PaWiCUvS=RA@mail.gmail.com>
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From: Adrian Klaver <adrian.klaver@aklaver.com>
In-Reply-To: <CAD=mzVX2xXh0ruTsyXdjtMPEYv=75tN0Gy+Zcs=PaWiCUvS=RA@mail.gmail.com>
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On 2/16/25 05:29, sud wrote:
> Hi,
> We are asked to have key monitoring or alerting added to our postgres 
> database. And I am thinking of metrics like blocked transactions, Max 
> used transaction Ids,  Max Active session threshold, Deadlock, Long 
> running query,  replica lag, buffer cache hit ratio, read/write IOPS or 
> latency etc. I have below questions
> 
> 1)Below are some which i tried writing, can you please let me know if 
> these are accurate?
> 2)How should we be writing the alerting query for deadlock, max used 
> transaction ids, read/write IOPS and latency?
> 3)Are there any docs available which have these sample sql queries on 
> the pg_* table for these critical alerts which we can easily configure 
> through any tool?
> 4)Any other alerts which we should be really having?

Somewhere to start:

https://wiki.postgresql.org/wiki/Category:Administration#Routine_maintenance_and_monitoring


> Regards
> Yudhi

-- 
Adrian Klaver
adrian.klaver@aklaver.com