Re: MVCC and all that...

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От Ron Johnson
Тема Re: MVCC and all that...
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Msg-id CANzqJaBMExaKVMnMWBDxR=iYcm=ofjpJp6KWkSXijhDU2g8NNg@mail.gmail.com
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Ответ на Re: MVCC and all that...  (Ellen Allhatatlan <ellenallhatatlan@gmail.com>)
Ответы Re: MVCC and all that...
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On Wed, Sep 10, 2025 at 11:08 AM Ellen Allhatatlan <ellenallhatatlan@gmail.com> wrote:
[snip] 
So, you have table X - it has 2M rows (say, 0.5 GB) in the first file
(along with all the other tables). The 2GB limit is hit, more data is
added. 0.7 GB is added to table X - these records go into a new
database file - the table is split in two - you have 2 "extents" of
2GB with X split 0.5 - in extent1, 0.7 in extent2. All mixed up with
other tables as well!

That was the architectural flaw to which I was referring. Nothing to
do with PG
 
You're gonna be in for a very rude surprise after adding 1GB of data to a PG table... 

--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

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