ableegoldman commented on a change in pull request #9153:
URL: https://github.com/apache/kafka/pull/9153#discussion_r468104424
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamThread.java
##########
@@ -93,7 +95,7 @@
* | +-----+-------+ |
* +<---- | Partitions | |
* | | Assigned (3)| <----+
- * | +-----+-------+ |
+ * | +-----+-------+ ^
* | | |
* | |--------------+
Review comment:
It seems like this here is the problem...AFAICT this line is just to
demonstrate that RUNNING -> RUNNING is valid, but it's tied in to the arrows
connecting every other state that actually can't transition to Running. Can we
change this to a self-contained loop like you added for PARTITIONS_REVOKED?
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamThread.java
##########
@@ -93,7 +95,7 @@
* | +-----+-------+ |
* +<---- | Partitions | |
* | | Assigned (3)| <----+
- * | +-----+-------+ |
+ * | +-----+-------+ ^
Review comment:
This seems a bit subtle. What if we instead break up the loop from
Running --> Running below?
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamThread.java
##########
@@ -80,11 +80,13 @@
* | +-----+-------+
* +<---- | Starting (1)|----->+
* | +-----+-------+ |
- * | | |
- * | | |
- * | v |
- * | +-----+-------+ |
- * +<---- | Partitions | |
+ * | |
+ * | |
+ * | +<----------+ |
+ * | | | |
+ * | v | |
+ * | +-----+-------+ | |
+ * +<---- | Partitions | --+ |
Review comment:
Nice catch
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