1996fanrui commented on code in PR #765:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/765#discussion_r1480012807
##########
docs/content/docs/custom-resource/autoscaler.md:
##########
@@ -286,16 +286,20 @@ please download JDBC driver and initialize database and
table first.
```
JDBC_DRIVER_JAR=./mysql-connector-java-8.0.30.jar
-# export the password of jdbc state store
+# export the password of jdbc state store & jdbc event handler
export STATE_STORE_JDBC_PWD=123456
+export EVENT_HANDLER_JDBC_PWD=123456
java -cp flink-autoscaler-standalone-{{< version >}}.jar:${JDBC_DRIVER_JAR} \
org.apache.flink.autoscaler.standalone.StandaloneAutoscalerEntrypoint \
--autoscaler.standalone.fetcher.flink-cluster.host localhost \
--autoscaler.standalone.fetcher.flink-cluster.port 8081 \
--autoscaler.standalone.state-store.type jdbc \
--autoscaler.standalone.state-store.jdbc.url
jdbc:mysql://localhost:3306/flink_autoscaler \
---autoscaler.standalone.state-store.jdbc.username root
+--autoscaler.standalone.state-store.jdbc.username root \
+--autoscaler.standalone.event-handler.type jdbc \
+--autoscaler.standalone.event-handler.jdbc.url
jdbc:mysql://localhost:3306/flink_autoscaler \
+--autoscaler.standalone.event-handler.jdbc.username root
Review Comment:
These database related options are similar between jdbcStateStore and
jdbcEventHandler. I'm not sure whether we should merge them or stay as is.
## Solution1: Merging them
Merge them means we rename `autoscaler.standalone.state-store.jdbc.username`
to `autoscaler.standalone.jdbc-plugin.username`. And both of jdbcStateStore and
jdbcEventHandler will use `autoscaler.standalone.jdbc-plugin.username` and
`autoscaler.standalone.jdbc-plugin.url`.
## Solution2: Independent options
Defining`autoscaler.standalone.event-handler.jdbc.url` and
`autoscaler.standalone.state-store.jdbc.url`, it means jdbcStateStore and
jdbcEventHandler can use different databases and different users.
I believe solution1 is pretty easy to use, and it's enough for most of
users.
WDYT? @gyfora @mxm
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