Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-9201

Namenode Performance Improvement : Using for loop without iterator

Log workAgile BoardRank to TopRank to BottomAttach filesAttach ScreenshotAdd voteVotersWatch issueWatchersCreate sub-taskConvert to sub-taskMoveLinkCloneLabelsUpdate Comment AuthorReplace String in CommentUpdate Comment VisibilityDelete Comments
    XMLWordPrintableJSON

    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None

      Description

      As discussed in HBASE-12023, the for each loop syntax will create few extra objects and garbage.

      For arrays and Lists can change to the traditional syntax.
      This can improve memory foot print and can result in performance gain.

        Attachments

          Activity

          $i18n.getText('security.level.explanation', $currentSelection) Viewable by All Users
          Cancel

            People

              Dates

              • Created:
                Updated:

                Issue deployment