Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8159979

During initial mark, preparing all regions for marking may take a significant amount of time

    XMLWordPrintable

    Details

    • Subcomponent:
      gc
    • Resolved In Build:
      b13

      Description

      During initial mark, in G1ConcurrentMark::checkpointRootsInitialPre() G1 iterates over all regions to set the next tams pointer to top.

      On heaps with many regions 20k+ this can take a while, as this phase is single-threaded.

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              iwalulya Ivan Walulya
              Reporter:
              tschatzl Thomas Schatzl
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: