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stderrthreshold is useless if logtostderr is set #31

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merged 1 commit into from
Dec 24, 2018

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shsjshentao
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@shsjshentao shsjshentao commented Dec 7, 2018

stderrthreshold is useless if logtostderr is set.
This pr can ignore logs which log level is under stderrthreshold.
Like:
flag.Set("logtostderr","true")
flag.Set("stderrthreshold","ERROR")

Does this PR introduce a user-facing change?:

The flag "stderrthreshold" will take effect if flag "logtostderr" is set to "true".
In previous version, it will print all level logs whatever "stderrthreshold" is set.

@k8s-ci-robot k8s-ci-robot requested review from dims and thockin December 7, 2018 06:45
@k8s-ci-robot k8s-ci-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Dec 7, 2018
@shsjshentao
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I signed it

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Dec 7, 2018
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dims commented Dec 7, 2018

/approve

@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Dec 7, 2018
os.Stderr.Write(data)
if s >= l.stderrThreshold.get() {
os.Stderr.Write(data)
}
} else {
if alsoToStderr || l.alsoToStderr || s >= l.stderrThreshold.get() {
os.Stderr.Write(data)
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I think we should make alsologtostderr behave the same way?

@justinsb
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I agree with this change, but this is a behavioural change. I don't know if it will catch anyone out, as the new behaviour feels more correct. We should ensure this makes the release notes though!

@DirectXMan12
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I agree as well. I think the previous behavior was more confusing, and I've talked to plenty of people that assume it works this way before trying it (I assumed this as well at some point).

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dims commented Dec 21, 2018

@shsjshentao can you please update the Does this PR introduce a user-facing change?: section above?

/approve

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dims commented Dec 24, 2018

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Dec 24, 2018
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, shsjshentao

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dims commented Dec 24, 2018

thanks @shsjshentao

@k8s-ci-robot k8s-ci-robot merged commit f0c3f94 into kubernetes:master Dec 24, 2018
mtaufen added a commit to mtaufen/klog that referenced this pull request Mar 4, 2019
This reverts commit f0c3f94, reversing
changes made to 73cec49.
@mtaufen mtaufen mentioned this pull request Mar 4, 2019
mtaufen added a commit to mtaufen/klog that referenced this pull request Mar 6, 2019
This reverts commit f0c3f94, reversing
changes made to 73cec49.
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5 participants