[DO NOT LAND] Process only changed metrics#236

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shaan420 wants to merge 4 commits intomasterfrom snair/only-process-changed-metrics

+123-39

Commits on Oct 25, 2023

Process only changed metrics
shaan420
committed

Commits on Oct 26, 2023

optimize maintaining of changed counters and gauges
shaan420
committed

Commits on Oct 27, 2023

fix Flush
shaan420
committed

Commits on Oct 30, 2023

fix reset of slices
shaan420
committed