[HDFS-12498] Journal Syncer is not started in Federated + HA cluster

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0
• Component/s: federation, journal-node
• Hadoop Flags: Reviewed
• Assignee: Bharat Viswanadham
• Reporter: Bharat Viswanadham
• Created: 19/Sep/17 23:41
• Updated: 22/Mar/18 18:51
• Resolved: 11/Nov/17 00:31

Description

Journal Syncer is not getting started in HDFS + Federated cluster, when dfs.shared.edits.dir.<<nameserviceId>> is provided, instead of dfs.namenode.shared.edits.dir

Log Snippet:

2017-09-19 21:42:40,598 WARN org.apache.hadoop.hdfs.qjournal.server.JournalNodeSyncer: Could not construct Shared Edits Uri
2017-09-19 21:42:40,598 WARN org.apache.hadoop.hdfs.qjournal.server.JournalNodeSyncer: Other JournalNode addresses not available. Journal Syncing cannot be done
2017-09-19 21:42:40,598 WARN org.apache.hadoop.hdfs.qjournal.server.JournalNodeSyncer: Failed to start SyncJournal daemon for journal ns1

Issue Links

• is blocked by: HDFS-12486 GetConf to get journalnodeslist
• is blocked by: HDFS-12553 Add nameServiceId to QJournalProtocol
• links to: Review Board