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  1. Hadoop HDFS
  2. HDFS-9364

Unnecessary DNS resolution attempts when creating NameNodeProxies

          Details

          • Type: Bug
          • Status: Resolved
          • Priority: Major
          • Resolution: Fixed
          • Affects Version/s: None
          • Fix Version/s: 2.8.0, 3.0.0-alpha1
          • Component/s: ha, performance
          • Labels:
            None
          • Target Version/s:
          • Hadoop Flags:
            Reviewed

            Description

            When creating NameNodeProxies, we always try to DNS-resolve namenode URIs. This is unnecessary if the URI is logical, and may be significantly slow if the DNS is having problems.

              Attachments

              1. HDFS-9364.004.patch
                5 kB
                Xiao Chen
              2. HDFS-9364.003.patch
                5 kB
                Xiao Chen
              3. HDFS-9364.002.patch
                7 kB
                Xiao Chen
              4. HDFS-9364.001.patch
                6 kB
                Xiao Chen

                Issue Links

                is related to

                Bug - A problem which impairs or prevents the functions of the product. HDFS-8307 Spurious DNS Queries from hdfs shell

                • Trivial - Cosmetic problem like misspelt words or misaligned text.
                • Resolved

                  Activity

                    People

                    • Assignee:
                      xiaochen Xiao Chen
                      Reporter:
                      xiaochen Xiao Chen
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                      Dates

                      • Created:
                        Updated:
                        Resolved: