Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-16571

HiveServer2: Prefer LIFO over round-robin for Tez session reuse

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 3.0.0
    • 3.0.0
    • HiveServer2, Tez
    • None

    Description

      Currently Tez session reuse is entirely round-robin, which means a single user might have to run upto 32 queries before reusing a warm session on a HiveServer2.

      This is not the case when session reuse is disabled, with a user warming up their session on the 1st query.

      Attachments

        1. HIVE-16571.2.patch
          5 kB
          Gopal Vijayaraghavan
        2. HIVE-16571.patch
          2 kB
          Gopal Vijayaraghavan

        Activity

          People

            gopalv Gopal Vijayaraghavan
            gopalv Gopal Vijayaraghavan
            Votes:
            1 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: