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fix: do not reuse connections per default #105

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merged 5 commits into from
Jan 22, 2024
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clementnuss
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stop reusing connections per default, by modifying the http.Transport DisableKeepAlive field to true per default. Can be overriden through setting KUBENURSE_REUSE_CONNECTIONS env var to "true"

This will be a minor change, as the results and behaviour of Kubenurse is modified consequently.

stop reusing connections per default, by modifying the http.Transport
DisableKeepAlive field to true per default. Can be overriden through
setting KUBENURSE_REUSE_CONNECTIONS env var to "true"

Signed-off-by: Clément Nussbaumer <[email protected]>
@clementnuss
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@zbindenren @djboris9 what do you think ?

the effect on the number of open file descriptor/goroutines is really interesting. the http request duration also starts to be more interesting !

do you agree that this mode should be the default ?

image

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github-actions bot commented Jan 12, 2024

Pull Request Test Coverage Report for Build 7584865362

  • 0 of 0 changed or added relevant lines in 0 files are covered.
  • No unchanged relevant lines lost coverage.
  • Overall coverage decreased (-0.3%) to 76.683%

Totals Coverage Status
Change from base Build 7382603208: -0.3%
Covered Lines: 467
Relevant Lines: 609

💛 - Coveralls

@clementnuss clementnuss marked this pull request as ready for review January 17, 2024 15:00
@zbindenren
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@zbindenren @djboris9 what do you think ?

the effect on the number of open file descriptor/goroutines is really interesting. the http request duration also starts to be more interesting !

do you agree that this mode should be the default ?

image

@clementnuss LGTM 👍

the default configuration changes: now kubenurse will NOT reuse
connections per default. this permits to have a clearer picture,
as closed long-lived connections might not involve DNS resolution,
and might hide Load balancer pool problems.

Signed-off-by: Clément Nussbaumer <[email protected]>
@clementnuss clementnuss merged commit 1d45495 into master Jan 22, 2024
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@clementnuss clementnuss deleted the cjmn-patch-2a0d branch January 22, 2024 08:33
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2 participants