jiajunwang commented on a change in pull request #362: The WAGED rebalancer
cluster model implementation
URL: https://github.com/apache/helix/pull/362#discussion_r310246676
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/ClusterModel.java
##########
@@ -19,9 +19,131 @@
* under the License.
*/
+import org.apache.helix.HelixException;
+import org.apache.helix.model.IdealState;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
/**
- * A placeholder before we have the implementation.
- *
* This class wraps the required input for the rebalance algorithm.
*/
-public class ClusterModel { }
+public class ClusterModel {
+ private final ClusterContext _clusterContext;
+ // Map to track all the assignable replications. <Resource Name,
Set<Replicas>>
+ private final Map<String, Set<AssignableReplica>> _assignableReplicas;
+ // The index to find the replication information with a certain state.
<Resource, <Replica Key (resource, partition, state), Replica>>
+ // Note that the identical replicas are dedupe in the index.
Review comment:
Good catch
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
