[MB-40533] Implement cluster aware rebalance protocol - Couchbase database

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Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: Cheshire-Cat
Fix Version/s: 7.1.0
Component/s: query
Labels:
- neo-committed

Story Points:
1

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depends on

MB-48847 Synchronise CBAUTH_REVRPC_URL & service_api address for the query service.

Closed

is parent task of

MB-47511 Make query service topology aware from 7.1.0

Closed

relates to

DOC-9606 Document query service graceful shutdown on rebalance remove

Closed

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Couchbase Build Team added a comment - 03/Aug/21 7:35 PM

Build couchbase-server-7.1.0-1115 contains cbauth commit ed33032 with commit message:
~~MB-40533~~ Add RegisterManagerWithURL to allow user specification of the service URL

Couchbase Build Team added a comment - 03/Aug/21 7:35 PM Build couchbase-server-7.1.0-1115 contains cbauth commit ed33032 with commit message: MB-40533 Add RegisterManagerWithURL to allow user specification of the service URL

Couchbase Build Team added a comment - 03/Aug/21 7:35 PM

Build couchbase-server-7.1.0-1115 contains query commit d76c3b2 with commit message:
~~MB-40533~~ Cluster aware graceful exit.

Couchbase Build Team added a comment - 03/Aug/21 7:35 PM Build couchbase-server-7.1.0-1115 contains query commit d76c3b2 with commit message: MB-40533 Cluster aware graceful exit.

Donald Haggart added a comment - 04/Aug/21 1:13 AM

To verify:

Once ~~MB-47511~~ is merged too, set-up a multi-node cluster. Start a transaction (you many need to tweak transaction timeout settings to give more time to test) on one node then remove that node and rebalance. When the rebalance starts you should see messages about the pending transaction in the node's logs. Verify that if you leave it, the rebalance doesn't complete. End the transaction (rollback) and the rebalance should complete with the node being removed. Similar can be done with a long-running query.

Donald Haggart added a comment - 04/Aug/21 1:13 AM To verify: Once MB-47511 is merged too, set-up a multi-node cluster. Start a transaction (you many need to tweak transaction timeout settings to give more time to test) on one node then remove that node and rebalance. When the rebalance starts you should see messages about the pending transaction in the node's logs. Verify that if you leave it, the rebalance doesn't complete. End the transaction (rollback) and the rebalance should complete with the node being removed. Similar can be done with a long-running query.

Couchbase Build Team added a comment - 03/Sep/21 10:18 AM

Build couchbase-server-7.1.0-1243 contains query commit e0c8c26 with commit message:
~~MB-40533~~ Revisions to handle syncronisation issues

Couchbase Build Team added a comment - 03/Sep/21 10:18 AM Build couchbase-server-7.1.0-1243 contains query commit e0c8c26 with commit message: MB-40533 Revisions to handle syncronisation issues

Pierre Regazzoni added a comment - 01/Oct/21 4:22 PM

Verified as part of Graceful failover testing

Pierre Regazzoni added a comment - 01/Oct/21 4:22 PM Verified as part of Graceful failover testing