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Thomas Jackson a000cec011 Re-use label builder in promql aggregation (#5641) 
For my benchmarks on aggregation this reduces allocations by ~5% (~10%
time improvement):

```
benchmark                                                    old ns/op     new ns/op     delta
BenchmarkEvaluations/benchdata/aggregators.test/promxy-4     727692        649626        -10.73%

benchmark                                                    old allocs     new allocs     delta
BenchmarkEvaluations/benchdata/aggregators.test/promxy-4     2566           2434           -5.14%

benchmark                                                    old bytes     new bytes     delta
BenchmarkEvaluations/benchdata/aggregators.test/promxy-4     162760        148854        -8.54%
```

Signed-off-by: Thomas Jackson <jacksontj.89@gmail.com>
2019-06-11 09:24:49 +01:00
..
gate
labels Re-use label builder in promql aggregation (#5641) 2019-06-11 09:24:49 +01:00
logging
modtimevfs
pool
relabel
rulefmt
runtime logs filesystem type on startup (#5558) 2019-05-17 10:16:16 +01:00
textparse
timestamp
value