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postgresql.conf.sample

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    • Alvaro Herrera's avatar
      73c986ad
      Keep track of transaction commit timestamps · 73c986ad
      Alvaro Herrera authored
      Transactions can now set their commit timestamp directly as they commit,
      or an external transaction commit timestamp can be fed from an outside
      system using the new function TransactionTreeSetCommitTsData().  This
      data is crash-safe, and truncated at Xid freeze point, same as pg_clog.
      
      This module is disabled by default because it causes a performance hit,
      but can be enabled in postgresql.conf requiring only a server restart.
      
      A new test in src/test/modules is included.
      
      Catalog version bumped due to the new subdirectory within PGDATA and a
      couple of new SQL functions.
      
      Authors: Álvaro Herrera and Petr Jelínek
      
      Reviewed to varying degrees by Michael Paquier, Andres Freund, Robert
      Haas, Amit Kapila, Fujii Masao, Jaime Casanova, Simon Riggs, Steven
      Singer, Peter Eisentraut
      73c986ad
      History
      Keep track of transaction commit timestamps
      Alvaro Herrera authored
      Transactions can now set their commit timestamp directly as they commit,
      or an external transaction commit timestamp can be fed from an outside
      system using the new function TransactionTreeSetCommitTsData().  This
      data is crash-safe, and truncated at Xid freeze point, same as pg_clog.
      
      This module is disabled by default because it causes a performance hit,
      but can be enabled in postgresql.conf requiring only a server restart.
      
      A new test in src/test/modules is included.
      
      Catalog version bumped due to the new subdirectory within PGDATA and a
      couple of new SQL functions.
      
      Authors: Álvaro Herrera and Petr Jelínek
      
      Reviewed to varying degrees by Michael Paquier, Andres Freund, Robert
      Haas, Amit Kapila, Fujii Masao, Jaime Casanova, Simon Riggs, Steven
      Singer, Peter Eisentraut