snleee commented on a change in pull request #3583: Add segment selector for
merged segments
URL: https://github.com/apache/incubator-pinot/pull/3583#discussion_r238854564
##########
File path:
pinot-broker/src/main/java/com/linkedin/pinot/broker/routing/builder/BaseRoutingTableBuilder.java
##########
@@ -123,16 +124,16 @@ public void computeOnExternalViewChange(String
tableName, ExternalView externalV
}
}
- @Override
- public Map<String, List<String>> getRoutingTable(RoutingTableLookupRequest
request) {
+ public Map<String, List<String>> getRoutingTable(RoutingTableLookupRequest
request, SegmentSelector segmentSelector) {
if (_enableDynamicComputing) {
// Copy the pointer for snapshot since the pointer for segment to
servers map can change at anytime
Map<String, List<String>> segmentToServersMap = _segmentToServersMap;
- // Get all existing segments
+ // Selecting segments only required for processing a query
Set<String> segmentsToQuery = segmentToServersMap.keySet();
-
- // TODO: add the selection logic here
+ if (segmentSelector != null) {
+ segmentsToQuery = segmentSelector.selectSegments(request,
segmentsToQuery);
Review comment:
for now, I would want to keep them separate. Once the merge feature is done,
I can work on cleaning up the pruner (currently, it's closely tied with
`PartitionAwareRoutingTableBuilder` and we need to decouple them)
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