[SERVER-57513] SBE multi-planning can incorrectly favor a blocking SORT plan over a non-blocking plan - MongoDB Jira

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Details

Type: Bug
Status: Closed
Priority: Major - P3
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 5.1.0-rc0
Component/s: None
Labels:
- sbe-post-v1
- sbe-rollout

Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Sprint:
Query Execution 2021-06-28, Query Execution 2021-07-12, Query Execution 2021-07-26

Description

Rerunning the famous Eliot's chess query game-search-test.js (github.com)

shows different winning plans are selected.

We have to understand what is going on

Attachments

Issue Links

related to

SERVER-57771 SBE explain does not report correct trial period statistics for a winning sort plan in "allPlansExecution" section

Closed

Activity

People

Assignee:: David Storch

Reporter:: Martin Neupauer

Participants:: David Storch, Githook User, Kyle Suarez, Martin Neupauer, Vivian Ge

Votes:: 0 Vote for this issue

Watchers:: 9 Start watching this issue

Dates

Created:: Jun 07 2021 09:51:59 PM UTC

Updated:: Oct 06 2021 07:21:11 PM UTC

Resolved:: Jul 19 2021 03:38:39 PM UTC