yupeng9 commented on a change in pull request #7556:
URL: https://github.com/apache/pinot/pull/7556#discussion_r727268599
##########
File path:
pinot-clients/pinot-java-client/src/main/java/org/apache/pinot/client/ExternalViewReader.java
##########
@@ -87,7 +87,18 @@ protected ByteArrayInputStream getInputStream(byte[]
brokerResourceNodeData) {
return new ByteArrayInputStream(brokerResourceNodeData);
}
+ // Return a map from tablename (without type) to live brokers (of format
host:port).
public Map<String, List<String>> getTableToBrokersMap() {
+ return getTableToBrokersMapFromExternalView(false, true);
+
Review comment:
nil: newline
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java
##########
@@ -2862,6 +2864,13 @@ public TableStats getTableStats(String
tableNameWithType) {
return new TableStats(creationTime);
}
+ // Return the list of live brokers serving a table. Each entry is of the
following format:
+ // Broker_hostname_port (e.g., broker_12.34.56.78_1234)
+ public List<String> getLiveBrokersForTable(String tableNameWithType) {
+ ExternalViewReader externalViewReader = new ExternalViewReader(new
ZkClient(_helixZkURL));
+ Map<String, List<String>> tableToBrokersMap =
externalViewReader.getTableWithTypeToRawBrokerInstanceIdsMap();
+ return tableToBrokersMap == null ? null :
tableToBrokersMap.get(tableNameWithType);
Review comment:
shall we return empty map other than null?
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