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Posted to jira@kafka.apache.org by "Boyang Chen (Jira)" <ji...@apache.org> on 2020/07/25 06:07:00 UTC

[jira] [Updated] (KAFKA-10307) Topology cycles in KTableKTableForeignKeyInnerJoinMultiIntegrationTest#shouldInnerJoinMultiPartitionQueryable

     [ https://issues.apache.org/jira/browse/KAFKA-10307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boyang Chen updated KAFKA-10307:
--------------------------------
    Priority: Major  (was: Minor)

> Topology cycles in KTableKTableForeignKeyInnerJoinMultiIntegrationTest#shouldInnerJoinMultiPartitionQueryable
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-10307
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10307
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Boyang Chen
>            Priority: Major
>
> We have spotted a cycled topology for the foreign-key join test *shouldInnerJoinMultiPartitionQueryable*, not sure yet whether this is a bug in the algorithm or the test only. Used [https://zz85.github.io/kafka-streams-viz/] to visualize:
> {code:java}
> Sub-topology: 0
>     Source: KTABLE-SOURCE-0000000019 (topics: [KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-0000000017-topic])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-RESOLVER-PROCESSOR-0000000020
>     Source: KTABLE-SOURCE-0000000032 (topics: [KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-0000000030-topic])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-RESOLVER-PROCESSOR-0000000033
>     Source: KSTREAM-SOURCE-0000000001 (topics: [table1])
>       --> KTABLE-SOURCE-0000000002
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-RESOLVER-PROCESSOR-0000000020 (stores: [table1-STATE-STORE-0000000000])
>       --> KTABLE-FK-JOIN-OUTPUT-0000000021
>       <-- KTABLE-SOURCE-0000000019
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-RESOLVER-PROCESSOR-0000000033 (stores: [INNER-store1])
>       --> KTABLE-FK-JOIN-OUTPUT-0000000034
>       <-- KTABLE-SOURCE-0000000032
>     Processor: KTABLE-FK-JOIN-OUTPUT-0000000021 (stores: [INNER-store1])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000023
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-RESOLVER-PROCESSOR-0000000020
>     Processor: KTABLE-FK-JOIN-OUTPUT-0000000034 (stores: [INNER-store2])
>       --> KTABLE-TOSTREAM-0000000035
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-RESOLVER-PROCESSOR-0000000033
>     Processor: KTABLE-SOURCE-0000000002 (stores: [table1-STATE-STORE-0000000000])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000010
>       <-- KSTREAM-SOURCE-0000000001
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000010 (stores: [])
>       --> KTABLE-SINK-0000000011
>       <-- KTABLE-SOURCE-0000000002
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000023 (stores: [])
>       --> KTABLE-SINK-0000000024
>       <-- KTABLE-FK-JOIN-OUTPUT-0000000021
>     Processor: KTABLE-TOSTREAM-0000000035 (stores: [])
>       --> KSTREAM-SINK-0000000036
>       <-- KTABLE-FK-JOIN-OUTPUT-0000000034
>     Sink: KSTREAM-SINK-0000000036 (topic: output-)
>       <-- KTABLE-TOSTREAM-0000000035
>     Sink: KTABLE-SINK-0000000011 (topic: KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000009-topic)
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000010
>     Sink: KTABLE-SINK-0000000024 (topic: KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000022-topic)
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000023  Sub-topology: 1
>     Source: KSTREAM-SOURCE-0000000004 (topics: [table2])
>       --> KTABLE-SOURCE-0000000005
>     Source: KTABLE-SOURCE-0000000012 (topics: [KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000009-topic])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000014
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000014 (stores: [KTABLE-FK-JOIN-SUBSCRIPTION-STATE-STORE-0000000013])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000015
>       <-- KTABLE-SOURCE-0000000012
>     Processor: KTABLE-SOURCE-0000000005 (stores: [table2-STATE-STORE-0000000003])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000016
>       <-- KSTREAM-SOURCE-0000000004
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000015 (stores: [table2-STATE-STORE-0000000003])
>       --> KTABLE-SINK-0000000018
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000014
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000016 (stores: [KTABLE-FK-JOIN-SUBSCRIPTION-STATE-STORE-0000000013])
>       --> KTABLE-SINK-0000000018
>       <-- KTABLE-SOURCE-0000000005
>     Sink: KTABLE-SINK-0000000018 (topic: KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-0000000017-topic)
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000015, KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000016  Sub-topology: 2
>     Source: KSTREAM-SOURCE-0000000007 (topics: [table3])
>       --> KTABLE-SOURCE-0000000008
>     Source: KTABLE-SOURCE-0000000025 (topics: [KTABLE-FK-JOIN-SUBSCRIPTION-REGISTRATION-0000000022-topic])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000027
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000027 (stores: [KTABLE-FK-JOIN-SUBSCRIPTION-STATE-STORE-0000000026])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000028
>       <-- KTABLE-SOURCE-0000000025
>     Processor: KTABLE-SOURCE-0000000008 (stores: [table3-STATE-STORE-0000000006])
>       --> KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000029
>       <-- KSTREAM-SOURCE-0000000007
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000028 (stores: [table3-STATE-STORE-0000000006])
>       --> KTABLE-SINK-0000000031
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000027
>     Processor: KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000029 (stores: [KTABLE-FK-JOIN-SUBSCRIPTION-STATE-STORE-0000000026])
>       --> KTABLE-SINK-0000000031
>       <-- KTABLE-SOURCE-0000000008
>     Sink: KTABLE-SINK-0000000031 (topic: KTABLE-FK-JOIN-SUBSCRIPTION-RESPONSE-0000000030-topic)
>       <-- KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000028, KTABLE-FK-JOIN-SUBSCRIPTION-PROCESSOR-0000000029
> {code}



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