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  1. Cassandra
  2. CASSANDRA-5062

Support CAS

          Details

          • Type: New Feature
          • Status: Resolved
          • Priority: Major
          • Resolution: Fixed
          • Fix Version/s: 2.0 beta 1
          • Component/s: CQL
          • Labels:

            Description

            "Strong" consistency is not enough to prevent race conditions. The classic example is user account creation: we want to ensure usernames are unique, so we only want to signal account creation success if nobody else has created the account yet. But naive read-then-write allows clients to race and both think they have a green light to create.

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                Jonathan Ellis
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                Jonathan Ellis
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                  • Assignee:
                    jbellis Jonathan Ellis
                    Reporter:
                    jbellis Jonathan Ellis
                  • Votes:
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                    Dates

                    • Created:
                      Updated:
                      Resolved: