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  1. Core Server
  2. SERVER-7694

external sort for find command

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Details

    • New Feature
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.3.1
    • Querying
    • Fully Compatible
    • Query 2019-10-07

    Description

      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.

      Attachments

        Issue Links

          depends on

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-6157 Refactor BSONObjExtSort

          • Minor - P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          is depended on by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-7676 find usings sort,skip,limit where sort is on an unindexed attribute produces an error when executed from mongos command prompt but works correctly from mongod command prompt.

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

          Task - A task that needs to be done. DOCS-13066 Investigate changes in SERVER-7694: external sort for find command

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

          Question - SERVER-5374 batchSize is a hard limit for an in memory sort

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-4716 reexamine scan and order memory limit handling

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-3867 aggregation: use external sort to handle larger sorts

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

          Task - A task that needs to be done. SERVER-9444 Use new Sorter for Aggregation $sort and $group

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-23768 Document internalQueryExecMaxBlockingSortBytes in config.yaml

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-43683 Make find command with allowDiskUse option work against a view

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

          Activity

            People

              david.storch@mongodb.com David Storch
              aaron Aaron Staple
              Votes:
              12 Vote for this issue
              Watchers:
              28 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: