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  1. Documentation
  2. DOCS-13066

Investigate changes in SERVER-7694: external sort for find command

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Details

    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Done
    • None
    • 4.3.1
    • manual, Server
    • None

    Description

      Description

      Downstream Change Summary

      See public comment left immediately after the link to the git commit.

      Description of Linked Ticket

      Right now when query results must be sorted before being returned, a top-N sort is performed in memory with a memory footprint cap enforced. The goal for this ticket is move to external sorting if too much memory is required, see discussion in SERVER-4716.

      Scope of changes

      • Document allowDiskUse parameter for find database command
      • Document allowDiskUse() cursor method for db.collection.find()
      • Document increase non-index sort memory cap (32MB -> 100MB)

      Impact to Other Docs

      • Drivers may need to either link to allowDiskUse or update their docs to reference support for the new option

      MVP (Work and Date)

      Resources (Scope or Design Docs, Invision, etc.)

      Attachments

        Issue Links

          documents

          New Feature - A new feature of the product, which has yet to be developed. SERVER-7694 external sort for find command

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. SERVER-42077 Add 'allowDiskUse' option to find command

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. SERVER-42179 Consolidate internal memory consumption setParameters for agg sort and find sort

          • Major - P3 - Major loss of function.
          • Closed
          is duplicated by

          Task - A task that needs to be done. DOCS-12888 Investigate changes in SERVER-42077: Add 'allowDiskUse' option to find command

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. DOCS-12922 Investigate changes in SERVER-42179: Consolidate internal memory consumption setParameters for agg sort and find sort

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. DRIVERS-690 Support for allowDiskUse on find operations

          • Major - P3 - Major loss of function.
          • Closed

          Activity

            People

              ravind.kumar Ravind Kumar (Inactive)
              backlog-server-pm Backlog - Core Eng Program Management Team
              Jess Mokrzecki Jess Mokrzecki
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              Dates

                Created:
                Updated:
                Resolved:
                3 years, 32 weeks, 5 days ago