Uploaded image for project: 'Ruby Driver'
  1. Ruby Driver
  2. RUBY-1849

Implement caching cursor in driver

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Closed
    • Minor - P4
    • Resolution: Fixed
    • None
    • 2.13.0.rc1
    • None
    • Fully Compatible

    Description

      Currently the query cache, as implemented by Mongoid, duplicates a portion of driver's cursor code plus adds the query caching on top. This has two issues:

      1. The code that was copied is by now outdated. It uses legacy read retries, performs server selection in an outdated way, etc.
      2. Changes to the driver can break the query cache, due to the query cache's reliance on driver internals.

      Since the query cache operates on collection/operation/cursor level, it can be implemented in the driver, with Mongoid only exposing the implementation using a (more) convenient API.

      Attachments

        Issue Links

          depends on

          Task - A task that needs to be done. RUBY-2302 Write scope for moving Query Cache to Driver

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

          Task - A task that needs to be done. RUBY-2308 Query Cache Project Design Document

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

          Improvement - An improvement or enhancement to an existing feature or task. RUBY-2131 Implement query cache in driver

          • Major - P3 - Major loss of function.
          • Closed
          is depended on by

          Improvement - An improvement or enhancement to an existing feature or task. RUBY-2131 Implement query cache in driver

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

          Improvement - An improvement or enhancement to an existing feature or task. RUBY-2211 Use namespace returned from find command in getMore

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

          Bug - A problem which impairs or prevents the functions of the product. MONGOID-4785 Mongoid forces legacy read retries regardless of driver configuration

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

          Task - A task that needs to be done. RUBY-1851 Restore cursor's ability to be iterated more than once

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

          Web Link mongo-ruby-driver #1603: RUBY-1849 compl

          Web Link mongo-ruby-driver #1606: RUBY-1849 refactor cursor logic for clarity

          Activity

            People

              grace.chong@mongodb.com Grace Chong (Inactive)
              oleg.pudeyev@mongodb.com Oleg Pudeyev (Inactive)
              Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: