Uploaded image for project: 'HPCC'
  1. HPCC
  2. HPCC-27934

PREFETCH,PARALLEL should not read rows at startup

    XMLWordPrintable

Details

    • Improvement
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • None
    • 8.8.0
    • Roxie
    • None

    Description

      Currently the roxie prefetch code reads the preload number of rows in on start.  That is almost certainly a bad idea because it means the latency of those rows will not overlap the latency of the rest of the query.

       

      Attachments

        Issue Links

          Activity

            People

              richardkchapman Richard Chapman
              ghalliday Gavin Halliday
              Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: