You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2017/08/03 22:44:01 UTC
[jira] [Created] (KAFKA-5698) Sort processor node based on name
suffix in TopologyDescription.toString()
Guozhang Wang created KAFKA-5698:
------------------------------------
Summary: Sort processor node based on name suffix in TopologyDescription.toString()
Key: KAFKA-5698
URL: https://issues.apache.org/jira/browse/KAFKA-5698
Project: Kafka
Issue Type: Bug
Components: streams
Reporter: Guozhang Wang
Today when we print the topology via the {{Topology#describe()#toString}}, the processor nodes are not sorted inside the {{TopologyDescription.toString()}} function. For example, for the word count demo topology we get:
{code}
Sub-topologies:
Sub-topology: 0
Processor: KSTREAM-FILTER-0000000005(stores: []) --> KSTREAM-SINK-0000000004 <-- KSTREAM-MAP-0000000002
Source: KSTREAM-SOURCE-0000000000(topics: streams-wordcount-input) --> KSTREAM-FLATMAPVALUES-0000000001
Processor: KSTREAM-FLATMAPVALUES-0000000001(stores: []) --> KSTREAM-MAP-0000000002 <-- KSTREAM-SOURCE-0000000000
Processor: KSTREAM-MAP-0000000002(stores: []) --> KSTREAM-FILTER-0000000005 <-- KSTREAM-FLATMAPVALUES-0000000001
Sink: KSTREAM-SINK-0000000004(topic: Counts-repartition) <-- KSTREAM-FILTER-0000000005
Sub-topology: 1
Source: KSTREAM-SOURCE-0000000006(topics: Counts-repartition) --> KSTREAM-AGGREGATE-0000000003
Sink: KSTREAM-SINK-0000000008(topic: streams-wordcount-output) <-- KTABLE-TOSTREAM-0000000007
Processor: KTABLE-TOSTREAM-0000000007(stores: []) --> KSTREAM-SINK-0000000008 <-- KSTREAM-AGGREGATE-0000000003
Processor: KSTREAM-AGGREGATE-0000000003(stores: [Counts]) --> KTABLE-TOSTREAM-0000000007 <-- KSTREAM-SOURCE-0000000006
{code}
While ideally we want:
{code}
Sub-topologies:
Sub-topology: 0
Source: KSTREAM-SOURCE-0000000000(topics: streams-wordcount-input) --> KSTREAM-FLATMAPVALUES-0000000001
Processor: KSTREAM-FLATMAPVALUES-0000000001(stores: []) --> KSTREAM-MAP-0000000002 <-- KSTREAM-SOURCE-0000000000
Processor: KSTREAM-MAP-0000000002(stores: []) --> KSTREAM-FILTER-0000000005 <-- KSTREAM-FLATMAPVALUES-0000000001
Processor: KSTREAM-FILTER-0000000005(stores: []) --> KSTREAM-SINK-0000000004 <-- KSTREAM-MAP-0000000002
Sink: KSTREAM-SINK-0000000004(topic: Counts-repartition) <-- KSTREAM-FILTER-0000000005
Sub-topology: 1
Source: KSTREAM-SOURCE-0000000006(topics: Counts-repartition) --> KSTREAM-AGGREGATE-0000000003
Processor: KSTREAM-AGGREGATE-0000000003(stores: [Counts]) --> KTABLE-TOSTREAM-0000000007 <-- KSTREAM-SOURCE-0000000006
Processor: KTABLE-TOSTREAM-0000000007(stores: []) --> KSTREAM-SINK-0000000008 <-- KSTREAM-AGGREGATE-0000000003
Sink: KSTREAM-SINK-0000000008(topic: streams-wordcount-output) <-- KTABLE-TOSTREAM-0000000007
{code}
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)