[COMPASS-6351] Investigate changes in PM-3050: Time Series Query Performance Optimizations Created: 06/Dec/22  Updated: 24/Jan/23  Resolved: 24/Jan/23

Status: Closed
Project: Compass
Component/s: None
Affects Version/s: None
Fix Version/s: No version

Type: Investigation Priority: Major - P3
Reporter: Backlog - Core Eng Program Management Team Assignee: Unassigned
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Epic Link: COMPASS-5986
Documentation Changes: Not Needed

 Description   
Original Downstream Change Summary

The explain output of a pipeline containing $_internalUnpackBucket and $group has been changed due to optimization.

Description of Linked Ticket

Epic Summary

Summary

Implement in the classic Engine selected optimizations recommended by the Time-Series Query Performance Improvements Spike project.

Motivation

TIme Series query performance has not lived up to expectations, leading to dissatisfied customers and lost opportunities.

 

Query team has completed a prior Spike to investigate different approaches to optimize Time Series query performance. This project is a continuation of that work, with the aim of implementing the recommended solutions in production.

 

Due to the existing feature and performance gap in SBE, we have decided to implement these optimizations first in the classic engine, in order to deliver the gains confirmed in the Spike project.

 

This is part of the wider Time Series Initiative.

Documentation

Product Description
Scope Document
Design Document



 Comments   
Comment by Maurizio Casimirri [ 24/Jan/23 ]

No Impact for DevTools

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