[HBASE-19293] Support adding a new replication peer in disabled state - ASF JIRA

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Details

Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.0.0-beta-1, 2.0.0
Component/s: None
Labels:
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Release Note:

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Add a boolean parameter which means the new replication peer's state is enabled or disabled for Admin/AsyncAdmin's addReplicationPeer method. Meanwhile, you can use shell cmd to add a enabled/disabled replication peer. The STATE parameter is optional and the default state is enabled.

hbase> add_peer '1', CLUSTER_KEY => "server1.cie.com:2181:/hbase", STATE => "ENABLED"
hbase> add_peer '1', CLUSTER_KEY => "server1.cie.com:2181:/hbase", STATE => "DISABLED"

Show
Add a boolean parameter which means the new replication peer's state is enabled or disabled for Admin/AsyncAdmin's addReplicationPeer method. Meanwhile, you can use shell cmd to add a enabled/disabled replication peer. The STATE parameter is optional and the default state is enabled. hbase> add_peer '1', CLUSTER_KEY => "server1.cie.com:2181:/hbase", STATE => "ENABLED" hbase> add_peer '1', CLUSTER_KEY => "server1.cie.com:2181:/hbase", STATE => "DISABLED"

Description

Now when add a replication peer, the default state is enabled. If you want add a disabled replication peer, you need add a peer first, then disable it. It need two step to finish now.

Use case for add a disabled replication peer. When user want sync data from a cluster A to a new peer cluster.
1. Add a disabled replication peer. And config the table to peer config.
2. Take a snapshot of table and export snapshot to peer cluster.
3. Restore snapshot in peer cluster.
4. Enable the peer and wait all stuck replication log replicated to peer cluster.