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update the readme

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Lynn Cyrin 2019-06-05 00:33:48 -07:00
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@ -84,7 +84,7 @@ time="2015-03-26T01:27:38-04:00" level=fatal method=github.com/sirupsen/arcticcr
``` ```
Note that this does add measurable overhead - the cost will depend on the version of Go, but is Note that this does add measurable overhead - the cost will depend on the version of Go, but is
between 20 and 40% in recent tests with 1.6 and 1.7. You can validate this in your between 20 and 40% in recent tests with 1.6 and 1.7. You can validate this in your
environment via benchmarks: environment via benchmarks:
``` ```
go test -bench=.*CallerTracing go test -bench=.*CallerTracing
``` ```
@ -354,6 +354,7 @@ The built-in logging formatters are:
[github.com/mattn/go-colorable](https://github.com/mattn/go-colorable). [github.com/mattn/go-colorable](https://github.com/mattn/go-colorable).
* When colors are enabled, levels are truncated to 4 characters by default. To disable * When colors are enabled, levels are truncated to 4 characters by default. To disable
truncation set the `DisableLevelTruncation` field to `true`. truncation set the `DisableLevelTruncation` field to `true`.
* When outputting to a TTY, its often helpful to visually scan down a column where all the levels are the same width. Setting the `PadLevelText` field to `true` enables this functionality, by adding padding to the level text.
* All options are listed in the [generated docs](https://godoc.org/github.com/sirupsen/logrus#TextFormatter). * All options are listed in the [generated docs](https://godoc.org/github.com/sirupsen/logrus#TextFormatter).
* `logrus.JSONFormatter`. Logs fields as JSON. * `logrus.JSONFormatter`. Logs fields as JSON.
* All options are listed in the [generated docs](https://godoc.org/github.com/sirupsen/logrus#JSONFormatter). * All options are listed in the [generated docs](https://godoc.org/github.com/sirupsen/logrus#JSONFormatter).