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https://issues.apache.org/jira/browse/HBASE-16450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15431991#comment-15431991
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Esteban Gutierrez commented on HBASE-16450:
-------------------------------------------

Two examples from the tool: 

1. no distributed (just polls zk)
{code}
2016-08-22 19:03:23,741 INFO  [main] regionserver.DumpReplicationQueues: 
Replicated Tables: [{replicationType=1, columnFamilyName=c, tableName=x}]
Dumping replication peers and configurations:
Peer: nothing
    State: ENABLED
    Cluster Name: clusterKey=localhost:2181:/hbase,replicationEndpointImpl=null,
    Peer Table CFs: null

Dumping replication znodes via ZooKeeper:
/hbase/replication:
/hbase/replication/peers:
/hbase/replication/peers/nothing: localhost:2181:/hbase
/hbase/replication/peers/nothing/peer-state: ENABLED
/hbase/replication/rs:
/hbase/replication/rs/172.16.1.251,51236,1471895993290:
/hbase/replication/rs/172.16.1.251,51236,1471895993290/nothing:
/hbase/replication/rs/172.16.1.251,51236,1471895993290/nothing/172.16.1.251%2C51236%2C1471895993290.1471917599568:
{code}

2. distributed 
{code}
2016-08-22 19:12:38,789 INFO  [main] regionserver.DumpReplicationQueues: 
Replicated Tables: [{replicationType=1, columnFamilyName=c, tableName=x}]
Dumping replication peers and configurations:
Peer: nothing
    State: ENABLED
    Cluster Name: clusterKey=localhost:2181:/hbase,replicationEndpointImpl=null,
    Peer Table CFs: null

2016-08-22 19:12:38,793 INFO  [main] regionserver.DumpReplicationQueues: Found 
[--distributed], will poll each RegionServer.
2016-08-22 19:12:38,826 INFO  [main] replication.ReplicationPeersZKImpl: Added 
new peer cluster=localhost:2181:/hbase
Dumping replication queue info for RegionServer: 
[172.16.1.251,51236,1471895993290]
    PeerID: nothing
    Recovered: false
    No dead RegionServers found in this queue.
    Was deleted: false
    Number of WALs in replication queue: 1
    Replication position for 
172.16.1.251%2C51236%2C1471895993290.1471917599568: 0 (not started or nothing 
to replicate)

{code}


> Shell tool to dump replication queues 
> --------------------------------------
>
>                 Key: HBASE-16450
>                 URL: https://issues.apache.org/jira/browse/HBASE-16450
>             Project: HBase
>          Issue Type: Improvement
>          Components: Operability, Replication
>    Affects Versions: 2.0.0, 1.3.0, 1.1.5, 1.2.2
>            Reporter: Esteban Gutierrez
>            Assignee: Esteban Gutierrez
>         Attachments: HBASE-16450.branch-1.001.patch, 
> HBASE-16450.master.001.patch, HBASE-16450.master.002.patch, 
> HBASE-16450.master.003.patch
>
>
> Currently there is no way to dump list of the configured queues and the 
> replication queues when replication is enabled. Unfortunately the HBase 
> master only offers an option to dump the whole content of the znodes but not 
> details on the queues being processed on each RS.



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