Github user siyuanh commented on a diff in the pull request:
https://github.com/apache/apex-core/pull/359#discussion_r71914879
--- Diff:
engine/src/main/java/com/datatorrent/stram/plan/physical/PhysicalPlan.java ---
@@ -895,8 +895,10 @@ private void redoPartitions(PMapping currentMapping,
String note)
addedPartitions.add(newPartition);
} else {
// check whether mapping was changed
+ int currentPartitionsSize = mainPC.currentPartitions.size();
for (DefaultPartition<Operator> pi : mainPC.currentPartitions) {
- if (pi == newPartition && pi.isModified()) {
+ if (pi == newPartition && (pi.isModified() ||
--- End diff --
@vrozov Is there a reason they need to be redeployed?
I think other case need to be redeployed
If you change partition from
```text
A1->B1->C1->
S-> U->Aggregator
A2->B2->C2->
```
to
```text
A1->B1->C1->
S->A2->B2->C2->U->Aggregator
A3->B3->C3->
```
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