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Draft: PoC metric rollups#1700

Draft

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harkishen:poc_metric_rollups

Commits on Sep 9, 2022

PoC: Add recommendation logic for best possible resolution based on the range.
harkishen
committed

Commits on Sep 14, 2022

PoC: [WIP] Update querier to support rollup querying.
harkishen
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Commits on Sep 15, 2022

PoC: refactor rollup implementation and fix sending `__column__` in response series.
harkishen
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PoC: Update PromQL engine to avoid sending unecessary samples due to in-between steps (between rollup duration).
harkishen
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Commits on Sep 16, 2022

PoC: Use rollup interval in PromQL engine range to avoid unnecessary samples.
harkishen
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Commits on Sep 20, 2022

Commits on Sep 21, 2022

Prepare for PoC demo.
harkishen
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Commits on Sep 22, 2022

Preparing for demo.
harkishen
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Commits on Sep 26, 2022

Improve avg_over_time() instant query by using sum(sum) / sum(count)
harkishen
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Commits on Sep 28, 2022

Add PromQL optimizer for other metric types and rollupIterator to avoid empty responses.
harkishen
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Commits on Oct 3, 2022

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