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Pre-size projection BlockBuilder to the exact size needed #14309

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lukasz-stec
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@lukasz-stec lukasz-stec commented Sep 27, 2022

Description

Reduce projected page memory usage by pre-sizing the BlockBuilder to the exact needed size.
This is a follow up after #12512 (review)

Non-technical explanation

Reduce projections memory usage

Release notes

(X ) This is not user-visible or docs only and no release notes are required.
( ) Release notes are required, please propose a release note for me.
( ) Release notes are required, with the following suggested text:

# Section
* Fix some things. ({issue}`issuenumber`)

@lukasz-stec lukasz-stec force-pushed the ls/044-exact-builder-size-in-project branch from c878fb4 to 668c3e9 Compare September 27, 2022 14:42
@lukasz-stec lukasz-stec marked this pull request as ready for review September 28, 2022 06:54
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There are some unrelated PT test failures.

@raunaqmorarka raunaqmorarka merged commit ab83378 into trinodb:master Oct 1, 2022
@raunaqmorarka raunaqmorarka deleted the ls/044-exact-builder-size-in-project branch October 1, 2022 04:46
@github-actions github-actions bot added this to the 399 milestone Oct 1, 2022
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