9aman opened a new pull request, #12334:
URL: https://github.com/apache/pinot/pull/12334
## Scope of the PR
Enhance **server and controller API** to return **partition to primary key
count** for realtime tables that have **upsert** enabled:
1. Server API: returns the map for all the partitions hosted by the instance.
2. Controller API: returns the map for the table.
## Testing
The changes were tested locally by invoking the **server endpoint** followed
by **controller endpoint** to test that there is no duplication in counting
PK's. The replication of segments across servers could be a potential reason
for duplication, but the controller API has taken care of it.
- Server responses:
```
{
"tableName": "upsertMeetupRsvp_REALTIME",
"diskSizeInBytes": 0,
"numSegments": 1,
"numRows": 0,
"columnLengthMap": {},
"columnCardinalityMap": {},
"maxNumMultiValuesMap": {},
"columnIndexSizeMap": {},
"upsertPartitionToPrimaryKeyCountMap": {
"0": 48
}
},
{
"tableName": "upsertMeetupRsvp_REALTIME",
"diskSizeInBytes": 0,
"numSegments": 1,
"numRows": 0,
"columnLengthMap": {},
"columnCardinalityMap": {},
"maxNumMultiValuesMap": {},
"columnIndexSizeMap": {},
"upsertPartitionToPrimaryKeyCountMap": {
"1": 45
}
}
```
- Controller response
```
{
"tableName": "upsertMeetupRsvp_REALTIME",
"diskSizeInBytes": 0,
"numSegments": 2,
"numRows": 0,
"columnLengthMap": {},
"columnCardinalityMap": {},
"maxNumMultiValuesMap": {},
"columnIndexSizeMap": {},
"upsertPartitionToPrimaryKeyCountMap": {
"0": 48,
"1": 45
}
}
```
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