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  1. Cassandra
  2. CASSANDRA-5541

Reduce Empty Map allocations in RowMutation (modifications)

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Details

    • Improvement
    • Status: Resolved
    • Low
    • Resolution: Fixed
    • 2.0 beta 1
    • None
    • None

    Description

      The constructor

      public RowMutation(String table, ByteBuffer key)

      was generation tons of empty HashMaps that were unused, on the order of 160,000 of them in about a minute.

      delay creating the map until you need it.

      Attachments

        1. 5541.txt
          8 kB
          David Brosius
        2. 5541-v2.txt
          2 kB
          Jonathan Ellis

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          People

            jbellis Jonathan Ellis
            dbrosius David Brosius
            Jonathan Ellis
            David Brosius
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            Dates

              Created:
              Updated:
              Resolved: