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  1. Ignite
  2. IGNITE-5936

Cleanup of not needed and committed versions

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Details

    • Task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.7
    • cache, mvcc
    • None

    Description

      At first committed data is stored in separate data structure.Need implement some procedure to remove from mvcc storage versions which are not needed anymore and flush committed versions in main storage. Version which is safe to remove (there are not readers using this version) should be somehow passed from coordinator to servers.

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          Is contained by

          New Feature - A new feature of the product, which has yet to be developed. IGNITE-4191 SQL: support transactions

          • Major - Major loss of function.
          • Resolved
          relates to

          Improvement - An improvement or enhancement to an existing feature or task. IGNITE-7998 SQL: Improve MVCC vacuum performance by iterating over data pages instead of cache tree.

          • Major - Major loss of function.
          • Resolved

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            People

              rkondakov Roman Kondakov
              sboikov Semen Boikov
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              Dates

                Created:
                Updated:
                Resolved: