[DRIVERS-1611] Investigate changes in PM-1835: Approximate Median and Percentile Accumulators Created: 11/Mar/21  Updated: 15/Jun/23  Resolved: 15/Mar/21

Status: Closed
Project: Drivers
Component/s: None
Fix Version/s: None

Type: Epic Priority: Major - P3
Reporter: Backlog - Core Eng Program Management Team Assignee: Unassigned
Resolution: Won't Do Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by JAVA-5025 Add support for percentile and median... Backlog
Issue split
split to JAVA-3860 Median and Percentile Accumulators Closed
split to CSHARP-3222 Median and Percentile Accumulators Backlog
Driver Changes: Needed
Server Compat: 7.0
Upstream Changes Summary:

Please refer to syntax document: https://docs.google.com/document/d/1NVQ6hiD3rvt03Eegb9JZj5mtWMHnX1ueumAbejwdOWY/edit#heading=h.wtq2vbtosuas

Driver Compliance:
Key Status/Resolution FixVersion
CSHARP-3222 Backlog
JAVA-3860 Done 4.10.0

 Description   
Downstream Change Summary

TBD once we are further with scoping.

Description of Linked Ticket

Epic Summary

Summary

Provide the ability to calculate the approximate median and percentile of the numeric values in the $group stage of the aggregation pipeline.

Motivation

Percentile (and median, as its special case) are common statistical metrics. The absence of these accumulators makes MongoDB very unattractive for analytical use cases. Moreover, MongoDB Charts are struggling to provide essential data exploration functionality to their users without these metrics available from the server.

Cast of Characters

  • Product Owner: Katya Kamenineva
  • Project Lead: Pawel Terlecki
  • Program Manager: Craig Homa
  • Drivers Contact: TBD

Documentation

Scope Document
Technical Design Document



 Comments   
Comment by Alexander Golin (Inactive) [ 15/Mar/21 ]

Triage: Closing out, only needed for Java and C# so we will not be tracking with a DRIVERS ticket.

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