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[improve](load) do not block delta writer if memtable memory is low (#42649) #44305

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merged 1 commit into from
Nov 21, 2024
Merged

[improve](load) do not block delta writer if memtable memory is low (#42649) #44305

merged 1 commit into from
Nov 21, 2024

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kaijchen
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backport #42649

@kaijchen
[improve](load) do not block delta writer if memtable memory is low (a…
a154f50 
…pache#42649)

Currently when the process memory usage is high, even if load memory
usage is low,
the load could be blocked by process memory reach hard limit.
This may cause query memory cannot be released in `INSERT INTO SELECT`
statements.

This PR changes this behavior. If the total load memory usage is lower
than 5% (current default),
the load will no longer be blocked by hard limit.
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Thank you for your contribution to Apache Doris.
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Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

@kaijchen
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run buildall

@github-actions GitHub Actions
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clang-tidy review says "All clean, LGTM! 👍"

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TeamCity be ut coverage result:
Function Coverage: 36.46% (9521/26113)
Line Coverage: 27.94% (78346/280429)
Region Coverage: 26.59% (40169/151066)
Branch Coverage: 23.39% (20401/87210)
Coverage Report: http://coverage.selectdb-in.cc/coverage/a154f50e305cd2befc194c3ab621fd5a21198e77_a154f50e305cd2befc194c3ab621fd5a21198e77/report/index.html

@dataroaring dataroaring merged commit 9664b50 into apache:branch-2.1 Nov 21, 2024
21 of 23 checks passed
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3 participants
@kaijchen @doris-robot @dataroaring