Re: evtcache: EventTriggerCache vs Event Trigger Cache

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: evtcache: EventTriggerCache vs Event Trigger Cache
Date: 2023-05-04 12:18:13
Message-ID: 3D05811D-D298-4523-9484-10A95BE65959@yesql.se
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> On 4 May 2023, at 14:09, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
>> When reading a memory contexts log I realized that we have this:
>> LOG: level: 2; EventTriggerCache: 8192 total in 1 blocks; 7928 free (4 chunks); 264 used
>> LOG: level: 3; Event Trigger Cache: 8192 total in 1 blocks; 2616 free (0 chunks); 5576 used
>
>> The reason is that BuildEventTriggerCache sets up a context "EventTriggerCache"
>> which house a hash named "Event Trigger Cache" which in turn creates a context
>> with the table name. I think it makes sense that these share the same name,
>> but I think it would be less confusing if they also shared the same spelling
>> whitespace-wise. Any reason to not rename the hash EventTriggerCache to make
>> the logging a tiny bit easier to read and grep?
>
> Hmm, I'm kinda -1 on them having the same name visible in the
> contexts dump --- that seems very confusing. How about naming
> the hash "EventTriggerCacheHash" or so?

I think the level is the indicator here, but I have no strong opinions,
EventTriggerCacheHash is fine by me.

--
Daniel Gustafsson

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