Reduce memory usage from ingester Push() errors#1922
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Signed-off-by: Bryan Boreham <bryan@weave.works>
Signed-off-by: Bryan Boreham <bryan@weave.works>
…tion It's more efficient to defer constructing the httpgrpc error until the end, because we only report the last error out of possibly hundreds. Signed-off-by: Bryan Boreham <bryan@weave.works>
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Fixes #1301
There is quite a lot of refactoring here, pulling out various things into helper functions in a new file
errors.go. Also I moved a couple of places that the discarded samples metric is incremented for consistency.I'm not very clear why we need "httpgrpc" at all here, as
Push()is only called over gRPC, but left that for another day.Benchmark before:
after: