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  1. Hadoop Common
  2. HADOOP-7454

Common side of High Availability Framework (HDFS-1623)

          Details

          • Type: New Feature
          • Status: Closed
          • Priority: Major
          • Resolution: Fixed
          • Affects Version/s: None
          • Fix Version/s: 2.0.0-alpha
          • Component/s: None
          • Labels:
            None
          • Target Version/s:
          • Hadoop Flags:
            Reviewed

            Description

            There will likely need to be a few changes to Hadoop Common (e.g. HDFS-7380) to complete HDFS-1623 (High Availability Framework for HDFS NN). This JIRA is an umbrella for those Common changes.

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                New Feature - A new feature of the product, which has yet to be developed. HDFS-1623 High Availability Framework for HDFS NN

                • Major - Major loss of function.
                • Closed
                1.
                		 Add client failover functionality to o.a.h.io.(ipc|retry) Sub-task Closed Aaron T. Myers
                2.
                		 Introduce HA Service Protocol Interface Sub-task Resolved Suresh Srinivas
                3.
                		 HA: Administrative CLI to control HA daemons Sub-task Resolved Todd Lipcon
                4.
                		 HA: if both NNs are in Standby mode, client needs to try failing back and forth several times with sleeps Sub-task Resolved Aaron T. Myers
                5.
                		 StandbyException should extend IOException Sub-task Resolved Todd Lipcon
                6.
                		 HA: Improve some logging for client IPC failovers and StandbyExceptions Sub-task Resolved Todd Lipcon
                7.
                		 
FailoverController for client-based configuration Sub-task Resolved Eli Collins
                8.
                		 Add interface and update CLI to query current state to HAServiceProtocol Sub-task Resolved Eli Collins
                9.
                		 HA: Client failover policy is incorrectly trying to fail over all IOExceptions Sub-task Resolved Aaron T. Myers
                10.
                		 HA : Make client connection retries on socket time outs configurable. Sub-task Resolved Uma Maheswara Rao G
                11.
                		 HA: the FailoverController should optionally fence the active during failover Sub-task Resolved Eli Collins
                12.
                		 HA: failover should error out if either host is not specified in the configs Sub-task Resolved Eli Collins
                13.
                		 HA: fencing mechanism Sub-task Resolved Todd Lipcon
                14.
                		 All HAServiceProtocol methods have to throw IOException since they are invoked over the network Sub-task Resolved Hari Mankude
                15.
                		 HA: failover should be able to pass args to fencers Sub-task Resolved Eli Collins
                16.
                		 HA: the FailoverController should check the standby is ready before failing over Sub-task Resolved Eli Collins
                17.
                		 HA: Add 'ipc.client.connect.max.retries.on.timeouts' entry in core-default.xml file. Sub-task Resolved Uma Maheswara Rao G
                18.
                		 HA: log a warning when a failover is first attempted Sub-task Resolved Todd Lipcon
                19.
                		 HA: void methods can swallow exceptions when going through failover path Sub-task Resolved Todd Lipcon
                20.
                		 HA: RetriableCommand is using RetryPolicy incorrectly after HADOOP-7896 Sub-task Resolved Aaron T. Myers
                21.
                		 HA: HAServiceProtocol exceptions need to be unwrapped before it can be used Sub-task Resolved Hari Mankude
                22.
                		 Add ZK client for leader election Sub-task Resolved Bikas Saha

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                    • Assignee:
                      Unassigned
                      Reporter:
                      atm Aaron T. Myers
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                      Dates

                      • Created:
                        Updated:
                        Resolved: