walterddr opened a new issue, #10402:
URL: https://github.com/apache/pinot/issues/10402
See TODO from #10390
1. if not enableTrace, disable all complexity in intermediary Operators,
only MailboxSend and MailboxReceive should be dealing with metadata (e.g. no
need to record operator level stats then convert them into stage level) --> to
speed up metadata processing
2. fix operator stats processing issue: CPU time is overlapping, we need to
unoverlap
3. fix operator stats starting time measurement: currently it starts at
first block. it should start at first non no-op block
4. enable some compression for operator stats, for example
- similar to trace info the entire string should be encoded once and
pass around afterwards to avoid duplicate ser/de on the map
- allow agg on either operator level or server level when dealing with
large cardinality of (opID + serverID + stageID + requestID)
CC @Jackie-Jiang @xiangfu0 @KKcorps
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