[ACCUMULO-4506] Some in-progress files for replication never replicate

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.2
• Fix Version/s: 1.7.4, 1.9.0
• Component/s: replication
• Assignee: Adam J. Shook
• Reporter: Adam J. Shook
• Created: 02/Nov/16 20:18
• Updated: 23/Apr/19 16:12
• Resolved: 04/May/17 01:26

Description

We're seeing an issue with replication where two files have been in-progress for a long time and based on the logs are not going to be replicated. The metadata from the accumulo.replication table looks a little funky, with a very large begin value.

Logs

2016-11-02 19:52:50,900 [replication.DistributedWorkQueueWorkAssigner] DEBUG: Not queueing work for hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 to Remote Name: peer_instance Remote identifier: 5h Source Table ID: k because [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477314365827] doesn't need replication
2016-11-02 19:53:08,900 [replication.DistributedWorkQueueWorkAssigner] DEBUG: Not queueing work for hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 to Remote Name: peer_instance Remote identifier: 5i Source Table ID: l because [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477052816174] doesn't need replication

Replication table

scan -r hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 -t accumulo.replication
hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 repl:j []    [begin: 0 end: 0 infiniteEnd: true closed: true createdTime: 1477314369633]
hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 repl:k []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477314365827]
hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 repl:l []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477314365707]
hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 work:\x01\x00\x00\x00\x17peer_instance\x01\x00\x00\x00\x025g\x01\x00\x00\x00\x01j []    [begin: 0 end: 0 infiniteEnd: true closed: true createdTime: 1477314369633]
hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 work:\x01\x00\x00\x00\x17peer_instance\x01\x00\x00\x00\x025h\x01\x00\x00\x00\x01k []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477314365827]
hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 work:\x01\x00\x00\x00\x17peer_instance\x01\x00\x00\x00\x025i\x01\x00\x00\x00\x01l []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477314365707]

scan -r hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 -t accumulo.replication
hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 repl:j []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477052819752]
hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 repl:k []    [begin: 0 end: 0 infiniteEnd: true closed: true createdTime: 1477052816238]
hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 repl:l []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477052816174]
hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 work:\x01\x00\x00\x00\x17peer_instance\x01\x00\x00\x00\x025g\x01\x00\x00\x00\x01j []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477052819752]
hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 work:\x01\x00\x00\x00\x17peer_instance\x01\x00\x00\x00\x025h\x01\x00\x00\x00\x01k []    [begin: 0 end: 0 infiniteEnd: true closed: true createdTime: 1477052816238]
hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19 work:\x01\x00\x00\x00\x17peer_instance\x01\x00\x00\x00\x025i\x01\x00\x00\x00\x01l []    [begin: 9223372036854775807 end: 0 infiniteEnd: true closed: true createdTime: 1477052816174]

HDFS

hdfs dfs -ls hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397 hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19
-rwxr-xr-x   3 ubuntu supergroup 1117650900 2016-10-24 13:09 hdfs://host:9000/accumulo/wal/host+31032/9f038f64-4252-44a0-bfd0-99d4a316b397
-rwxr-xr-x   3 ubuntu supergroup 1171968390 2016-10-21 12:31 hdfs://host:9000/accumulo/wal/host+31368/ae4b03ec-159b-44e8-9a88-ccf7fa849c19

Issue Links

• links to: GitHub Pull Request #254