Uploaded image for project: 'IMPALA'
  1. IMPALA
  2. IMPALA-6645

Consider enabling disk spill encryption by default

    XMLWordPrintableJSON

    Details

      Description

      We currently have integrity checks disabled by default because of the additional CPU cost.

      Now that IMPALA-6219 is in, the integrity checks are cheaper so it may be worth just paying the cost. We could also consider doing a lighter-weight CRC checksum, but AES-GCM may be fast enough at 2.3GB/s to do by default.

      We should do an experiment to see if there's a major impact on spill-to-disk perf.

        Attachments

          Issue Links

            Activity

              People

              • Assignee:
                tarmstrong Tim Armstrong
                Reporter:
                tarmstrong Tim Armstrong
              • Votes:
                0 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: