apache/pinot

Adding numStartreeUsed in query stats

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#6,487 opened on Jan 25, 2021

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 (5 comments) (0 reactions) (1 assignee)Java (1,234 forks)batch import
good first issue

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Description

This is to provide more insights on how many segments are using star-tree for every query.

Contributor guide

Research direction
Identify where query statistics are aggregated in the Pinot codebase, then add a field for numStartreeUsed in the query stats class and update the logic to increment it when star tree segments are used.
Tech stack
java
Domain
databasebackendobservability
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaPinot
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70