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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2020/08/20 17:24:13 UTC
[GitHub] [pulsar] RahimovIR opened a new issue #7864: The master consumer is not chosen correctly in failover mode
RahimovIR opened a new issue #7864:
URL: https://github.com/apache/pulsar/issues/7864
**Describe the bug**
In failover mode, the broker selects the master consumer based on connection order, not priority level and not the lexicographical sorting of a consumer name.
**To Reproduce**
Steps to reproduce the behavior:
1. Subscribe consumer1 with name "bbb" and PriorityLevel 1
2. Subscribe consumer2 with name "aaa" and PriorityLevel 0
3. See subscribe log:
[21:56:44.483 INF 9] consumer(1, bbb, -1) starting subscribe to topic persistent://public/default/topic-a
[21:56:44.519 INF 5] consumer(1, bbb, -1) subscribed to topic persistent://public/default/topic-a
[21:56:44.531 INF 5] consumer(2, aaa, -1) starting subscribe to topic persistent://public/default/topic-a
[21:56:44.570 INF 7] consumer(2, aaa, -1) subscribed to topic persistent://public/default/topic-a
[21:56:44.578 INF 7] consumer(2, aaa, -1) ActiveConsumerChanged isActive=False
[21:56:45.518 INF 6] consumer(2, aaa, -1) ActiveConsumerChanged isActive=False
[21:56:45.517 INF 7] consumer(1, bbb, -1) ActiveConsumerChanged isActive=True
**Expected behavior**
Active consumer must be consumer1 with name "aaa", but set consumer2 with name "bbb"
The same behavior is observed if the PriorityLevel of both consumer is set 0
**Desktop (please complete the following information):**
- Broker run in docker apachepulsar/pulsar:2.6.0
- Client: pulsar-client-dotnet on windows
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[GitHub] [pulsar] codelipenghui closed issue #7864: The master consumer is not chosen correctly in failover mode
Posted by GitBox <gi...@apache.org>.
codelipenghui closed issue #7864:
URL: https://github.com/apache/pulsar/issues/7864
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[GitHub] [pulsar] MarvinCai commented on issue #7864: The master consumer is not chosen correctly in failover mode
Posted by GitBox <gi...@apache.org>.
MarvinCai commented on issue #7864:
URL: https://github.com/apache/pulsar/issues/7864#issuecomment-678802958
Hi there,
picking active consumer for FailOver subscription type based on priority level and the lexicographical sorting of a consumer name is only for partitioned topic,
for non-partitioned topic active consumer is picked by connection order
please see https://github.com/apache/pulsar/issues/1267
I see the document only specify strategy of picking active consumer for partitioned topic.
Sorry for the confusion, we'll update the document to also specify strategy of picking active consumer for non-partitioned topic.
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