Bump golangci-lint to v1.20.0 #5572
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This version comes with significant memory improvements, making some adjustments for small memory footprint in the CI obsolete.
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Welcome @corneliusweig! |
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Hi @corneliusweig. Thanks for your PR. I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with Once the patch is verified, the new status will be reflected by the I understand the commands that are listed here. Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. |
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[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: corneliusweig The full list of commands accepted by this bot can be found here.
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Travis tests have failedHey @corneliusweig, 1st Buildmake testTravisBuddy Request Identifier: 7f56a740-ea1c-11e9-93dd-b3a5547eb4f4 |
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Thanks for making this update ! I see the lint already found some new lint issues that was ignored by the previous version |
medyagh
approved these changes
Oct 9, 2019
| # Limit number of default jobs, to avoid the CI builds running out of memory | ||
| GOLINT_JOBS ?= 4 | ||
| # see https://github.com/golangci/golangci-lint#memory-usage-of-golangci-lint | ||
| GOLINT_GOGC ?= 8 | ||
| GOLINT_GOGC ?= 100 |
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what is the reason for increasing 8 to 100 ?
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GOGC=100 is the default, so it is basically removing the increased garbage collection
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Yes, I restored the default, but I left the link to the docs in case that setting needs to be adjusted in the future.
medyagh
requested changes
Oct 9, 2019
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When I run it locally (with 4 cpus/jobs), this lowers the memory usage from 4G to 1G: $ \time make lint GOLINT_VERSION=v1.18.0
./out/linters/golangci-lint-v1.18.0 run --deadline 4m --build-tags "integration container_image_ostree_stub containers_image_openpgp" --enable goimports,gocritic,golint,gocyclo,interfacer,misspell,nakedret,stylecheck,unconvert,unparam --exclude 'variable on range scope.*in function literal|ifElseChain' ./...
62.86user 3.91system 0:20.67elapsed 322%CPU (0avgtext+0avgdata 4165192maxresident)k
582344inputs+640outputs (665major+1436497minor)pagefaults 0swaps$ \time make lint GOLINT_VERSION=v1.20.0
./out/linters/golangci-lint-v1.20.0 run --deadline 4m --build-tags "integration container_image_ostree_stub containers_image_openpgp" --enable goimports,gocritic,golint,gocyclo,interfacer,misspell,nakedret,stylecheck,unconvert,unparam --exclude 'variable on range scope.*in function literal|ifElseChain' ./...
Flag --deadline has been deprecated, flag will be removed soon, please, use .golangci.yml config
cmd/minikube/cmd/start.go:129:2: var `enableUpdateNotification` is unused (unused)
enableUpdateNotification = true
^
pkg/minikube/extract/extract.go:397:47: `checkBinaryExpression` - `e` is unused (unparam)
func checkBinaryExpression(b *ast.BinaryExpr, e *state) string {
^
pkg/minikube/tunnel/tunnel_manager.go:125:43: (*Manager).cleanup - result 0 (*k8s.io/minikube/pkg/minikube/tunnel.Status) is never used (unparam)
func (mgr *Manager) cleanup(t controller) *Status {
^
Makefile:330: receptet för målet ”lint” misslyckades
make: *** [lint] Fel 1
Command exited with non-zero status 2
185.80user 7.64system 0:54.21elapsed 356%CPU (0avgtext+0avgdata 1504696maxresident)k
829872inputs+423928outputs (925major+2657303minor)pagefaults 0swapsIf that is not enough for the servers, you could try something like GOGC=20 ? https://github.com/golangci/golangci-lint#memory-usage-of-golangci-lint I think it still takes way to much time to run locally (1-3 minutes?), though. |
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/ok-to-test |
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Apparently it now allocates 7.5G of RAM and 2 cores: And took 3 minutes (188 seconds) to run, # 8899.2 |
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@corneliusweig - Thank you! Do you mind fixing the lint issues so that we don't end up with persistently failing tests? |
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@tstromberg I fixed the new issues found by the linter. I'm pretty blown away that @afbjorklund Thanks for doing such thorough memory usage checking. As far as I understand, there's no action needed, right? |
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Codecov Report
@@ Coverage Diff @@
## master #5572 +/- ##
==========================================
- Coverage 36.85% 36.31% -0.54%
==========================================
Files 102 102
Lines 7354 7521 +167
==========================================
+ Hits 2710 2731 +21
- Misses 4293 4438 +145
- Partials 351 352 +1
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This version of golangci-lint comes with significant memory improvements, making some
adjustments for small memory footprint in the CI obsolete.
See golangci/golangci-lint#337