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Limit concurrent processing canaries #1069

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timsanwald opened this issue Dec 3, 2021 · 0 comments · May be fixed by #1568
Open

Limit concurrent processing canaries #1069

timsanwald opened this issue Dec 3, 2021 · 0 comments · May be fixed by #1568

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@timsanwald
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Describe the feature

It would be cool if we can restrict the concurrent amount of processing canaries.

What problem are you trying to solve?
With a large amount of apps pointing to a "base configmap" e.g. jaeger url, changing values in this configmap triggers all canaries at the same time. The cluster itself though doen't have enough resources to start a second pod of each of the canaries at the same time. This can lead to not starting pods and thus to failing canaries, which have to be triggered then manually.

Proposed solution

A configuration parameter for flagger to process x canaries at the same time.

Any alternatives you've considered?

  • Scale the cluster and be prepared for this event -> high costs & unnecessary compute resources
  • high timeout for startup probe of canaries -> just masks the problem and more canaries will result in the same error at some point in time
louishalbritter added a commit to louishalbritter/flagger that referenced this issue Dec 11, 2023
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
cf8e4d3 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
@louishalbritter louishalbritter linked a pull request Dec 11, 2023 that will close this issue
Open
louishalbritter added a commit to louishalbritter/flagger that referenced this issue Feb 8, 2024
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
0fbdead 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
louishalbritter added a commit to louishalbritter/flagger that referenced this issue Feb 8, 2024
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
5dd58b7 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>

chore: update Helm default values and README

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
louishalbritter added a commit to louishalbritter/flagger that referenced this issue Mar 12, 2024
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
03cfb87 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>

chore: update Helm default values and README

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
louishalbritter added a commit to louishalbritter/flagger that referenced this issue May 29, 2024
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
8b6cf92 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>

chore: update Helm default values and README

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
louishalbritter added a commit to louishalbritter/flagger that referenced this issue Sep 9, 2024
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
c524bee 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>

chore: update Helm default values and README

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
louishalbritter added a commit to louishalbritter/flagger that referenced this issue Sep 9, 2024
@louishalbritter
add maxConcurrentCanaries flag to limit concurrent progressing canaries
eedb8e8 
This adds a flag to limit concurrent progessing canaries to avoid high
requests of resources at once.

The flag will not take effect if set to "0", which is default.

Closes fluxcd#1069

Signed-off-by: Louis Halbritter <halbritter@posteo.de>

chore: update Helm default values and README

Signed-off-by: Louis Halbritter <halbritter@posteo.de>
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add maxConcurrentCanaries flag to limit concurrent progressing canaries louishalbritter/flagger
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@timsanwald