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  1. Apache Drill
  2. DRILL-4286

Have an ability to put server in quiescent mode of operation

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    Description

      I think drill will benefit from mode of operation that is called "quiescent" in some databases.

      From IBM Informix server documentation:

      Change gracefully from online to quiescent mode
      Take the database server gracefully from online mode to quiescent mode to restrict access to the database server without interrupting current processing. After you perform this task, the database server sets a flag that prevents new sessions from gaining access to the database server. The current sessions are allowed to finish processing. After you initiate the mode change, it cannot be canceled. During the mode change from online to quiescent, the database server is considered to be in Shutdown mode.
      

      This is different from shutdown, when processes are terminated.

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        1. consoleText_after.txt
          2.85 MB
          Arina Ielchiieva
        2. consoleText_before.txt
          2.86 MB
          Arina Ielchiieva
        3. consoleText.txt
          1.37 MB
          Arina Ielchiieva

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              vdonapati Venkata Jyothsna Donapati
              vicky Victoria Markman
              Karthikeyan Manivannan Karthikeyan Manivannan
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