HxpSerein commented on code in PR #14678:
URL: https://github.com/apache/iotdb/pull/14678#discussion_r1919815372
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/executor/ClusterConfigTaskExecutor.java:
##########
@@ -2773,6 +2779,62 @@ public SettableFuture<ConfigTaskResult> migrateRegion(
return future;
}
+ @Override
+ public SettableFuture<ConfigTaskResult> removeDataNode(
+ final RemoveDataNodeStatement removeDataNodeStatement) {
+ final SettableFuture<ConfigTaskResult> future = SettableFuture.create();
+ try (ConfigNodeClient configNodeClient =
+
CONFIG_NODE_CLIENT_MANAGER.borrowClient(ConfigNodeInfo.CONFIG_REGION_ID)) {
+ Set<Integer> nodeIds = removeDataNodeStatement.getNodeIds();
+
+ Set<Integer> validNodeIds =
+
configNodeClient.getDataNodeConfiguration(-1).getDataNodeConfigurationMap().keySet();
+
+ Set<Integer> invalidNodeIds = new HashSet<>(nodeIds);
+ invalidNodeIds.removeAll(validNodeIds);
+
+ if (!invalidNodeIds.isEmpty()) {
+ LOGGER.info("Cannot remove invalid nodeIds:{}", invalidNodeIds);
+ nodeIds.removeAll(invalidNodeIds);
+ }
+
+ LOGGER.info("Starting to remove DataNode with nodeIds: {}", nodeIds);
+
+ final Set<Integer> finalNodeIds = nodeIds;
+ List<TDataNodeLocation> removeDataNodeLocations =
+ configNodeClient
+ .getDataNodeConfiguration(-1)
+ .getDataNodeConfigurationMap()
+ .values()
+ .stream()
+ .map(TDataNodeConfiguration::getLocation)
+ .filter(location ->
finalNodeIds.contains(location.getDataNodeId()))
+ .collect(Collectors.toList());
+ LOGGER.info(
+ "Start to remove datanode, removed DataNodes endpoint: {}",
removeDataNodeLocations);
Review Comment:
changed
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