Add function label_replace. #3047
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You might be wondering why do we need label_replace when we already have label_format. Well for two reasons: 1. It's nice to have something similar to Prometheus, so users building metric queries will feel right at home. 2. Interestingly, they are quite different in how they execute. label_format executes for every log line, however label_replace execute for every sample. Since you aggregate log lines into sample then label_replace is way more efficient at scale. Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
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Fixes #2883 |
owen-d
approved these changes
Dec 7, 2020
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Codecov Report
@@ Coverage Diff @@
## master #3047 +/- ##
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+ Coverage 62.78% 62.85% +0.06%
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Files 186 186
Lines 15847 15906 +59
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+ Hits 9949 9997 +48
- Misses 4974 4983 +9
- Partials 924 926 +2
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You might be wondering why do we need label_replace when we already have label_format.
Well for two reasons:
Signed-off-by: Cyril Tovena cyril.tovena@gmail.com