Add --qps and --burst flags to contorl client-side throttling#363
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Signed-off-by: Abhishek Pareek <makeittotop@users.noreply.github.com>
Signed-off-by: Abhishek Pareek <makeittotop@users.noreply.github.com>
tksm
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LGTM, nice improvement. Thanks for the PR!
tmeijn
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This MR contains the following updates: | Package | Update | Change | |---|---|---| | [stern/stern](https://github.com/stern/stern) | minor | `v1.33.1` → `v1.34.0` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>stern/stern (stern/stern)</summary> ### [`v1.34.0`](https://github.com/stern/stern/blob/HEAD/CHANGELOG.md#v1340) [Compare Source](stern/stern@v1.33.1...v1.34.0) #### ⚡ Notable Changes ##### New `--qps` and `--burst` flags for client-side throttling You can now control the rate of requests to the Kubernetes API server with `--qps` and `--burst` flags. This is useful when you are tailing many pods and want to avoid overwhelming the API server. ``` stern . --qps 10 --burst 20 ``` #### Changes - Add --qps and --burst flags to control client-side throttling ([#​363](stern/stern#363)) [`7e59e4e`](stern/stern@7e59e4e) (Abhishek Pareek) - fix: honor klog -stderrthreshold even when -logtostderr is true ([#​364](stern/stern#364)) [`8e4ece3`](stern/stern@8e4ece3) (Pierluigi Lenoci) - Update dependencies for Kubernetes 1.36 ([#​365](stern/stern#365)) [`6761a78`](stern/stern@6761a78) (Takashi Kusumi) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xNjguNSIsInVwZGF0ZWRJblZlciI6IjQzLjE2OC41IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJSZW5vdmF0ZSBCb3QiLCJhdXRvbWF0aW9uOmJvdC1hdXRob3JlZCIsImRlcGVuZGVuY3ktdHlwZTo6bWlub3IiXX0=-->
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Fixes #355
These flags allows fine-grained control over client-side throttling.
Defaults for
QPSandburstare 5 and 10 respectively - https://github.com/kubernetes/client-go/blob/master/rest/config.go#L46-L49--qps= - set a custom limit. For e.g. --qps=100
--qps=-1 - disable client-side throttling completely - https://github.com/kubernetes/client-go/blob/master/rest/config.go#L120
--burst= - a custom burst limit. For e.g. --burst=100
Verification:
All tests succeed.
I'm a long time user of stern, but this is my contribution towards it. cc @superbrothers - please take a look 🙏
@superbrothers I've been using stern for a long time in my work, but thiis is my first attempt to contribute to it .
Please take a look - thanks!