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GreptimeTeam / greptimedb

An open-source, cloud-native, unified time series database for metrics, logs and events with SQL/PromQL supported. Available on GreptimeCloud.
https://greptime.com/
Apache License 2.0
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Optimize the LastNonNull dedup strategy #4380

Open evenyag opened 1 month ago

evenyag commented 1 month ago

What type of enhancement is this?

Performance

What does the enhancement do?

The LastNonNull dedup strategy is slower than the default LastRow strategy, optimize it if possible

Implementation challenges

No response