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From: Adrian Klaver <[email protected]>
To: Nicolas Seinlet <[email protected]>
To: [email protected] <[email protected]>
Subject: Re: pg_trgm upgrade to 1.6 led to load average increase
Date: Tue, 20 Jan 2026 08:34:17 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <F-DrgibQiu1I_ItlkIz765ee1SJJvVg187PNonwprn0eT7GC56_kJcU8CkP8Y10bs4-TT6n_JJ3fFPP4H3xPtJLc5W5bE9AATi99VWaKbYc=@seinlet.com>
References: <F-DrgibQiu1I_ItlkIz765ee1SJJvVg187PNonwprn0eT7GC56_kJcU8CkP8Y10bs4-TT6n_JJ3fFPP4H3xPtJLc5W5bE9AATi99VWaKbYc=@seinlet.com>

On 1/20/26 00:50, Nicolas Seinlet wrote:
> Hello,
> 
> we've upgraded the pg_trgm extension from 1.0 to 1.6 on our production 
> database, while sticking our postgresql cluster version to 16. This led 
> to an increase in the load average of the server (twice the load average 
> on our use case). After investigation, we found our issue was linked to :
> https://github.com/postgres/postgres/ 
> commit/935f6666502250abde8615bc7805a6e5aa05a066 <https://github.com/ 
> postgres/postgres/commit/935f6666502250abde8615bc7805a6e5aa05a066>
> 
> We issue queries like :
> SELECT model, res_id FROM ir_model_data WHERE module='base' AND 
> name='public_user';


You need to provide the table definition, including indexes.

> Thanks in advance,
> 
> Nicolas
> 
> 


-- 
Adrian Klaver
[email protected]






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