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  1. Hadoop HDFS
  2. HDFS-4777

File creation with overwrite flag set to true results in logSync holding namesystem lock

          Details

          • Type: Bug
          • Status: Resolved
          • Priority: Major
          • Resolution: Duplicate
          • Affects Version/s: 0.23.0, 2.0.0-alpha
          • Fix Version/s: None
          • Component/s: namenode
          • Labels:

            Description

            FSNamesystem#startFileInternal calls delete. Delete method releases the write lock, making parts of startFileInternal code unintentionally executed without write lock being held.

              Attachments

              1. HDFS-4777.patch
                8 kB
                Suresh Srinivas

                Issue Links

                duplicates

                Improvement - An improvement or enhancement to an existing feature or task. HDFS-6871 Improve NameNode performance when creating file

                • Critical - Crashes, loss of data, severe memory leak.
                • Closed

                Improvement - An improvement or enhancement to an existing feature or task. HDFS-6886 Use single editlog record for creating file + overwrite.

                • Critical - Crashes, loss of data, severe memory leak.
                • Closed
                is related to

                Bug - A problem which impairs or prevents the functions of the product. HDFS-4186 logSync() is called with the write lock held while releasing lease

                • Critical - Crashes, loss of data, severe memory leak.
                • Closed

                  Activity

                    People

                    • Assignee:
                      sureshms Suresh Srinivas
                      Reporter:
                      sureshms Suresh Srinivas
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                      Dates

                      • Created:
                        Updated:
                        Resolved: