GlenGeng commented on a change in pull request #2046:
URL: https://github.com/apache/ozone/pull/2046#discussion_r595011564
##########
File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMClientProtocolServer.java
##########
@@ -68,13 +68,7 @@
import java.io.IOException;
import java.net.InetSocketAddress;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Collections;
-import java.util.ArrayList;
-import java.util.TreeSet;
-import java.util.Set;
+import java.util.*;
Review comment:
expand the *
##########
File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/ContainerManagerImpl.java
##########
@@ -152,15 +150,10 @@ public ContainerInfo getContainer(final ContainerID id)
public List<ContainerInfo> getContainers(final ContainerID startID,
final int count) {
scmContainerManagerMetrics.incNumListContainersOps();
- // TODO: Remove the null check, startID should not be null. Fix the unit
- // test before removing the check.
- final long start = startID == null ? 0 : startID.getId();
- final List<ContainerID> containersIds =
- new ArrayList<>(containerStateManager.getContainerIDs());
- Collections.sort(containersIds);
- return containersIds.stream()
- .filter(id -> id.getId() > start).limit(count)
- .map(ContainerID::getProtobuf)
+ final long start = startID.getId();
Review comment:
The changes in this file seems not necessary to the back-port. We can
create a refactor Jira to beautify the code later.
We can reserve the `>=` change.
##########
File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMClientProtocolServer.java
##########
@@ -362,7 +356,11 @@ private boolean hasRequiredReplicas(ContainerInfo
contInfo) {
}
try {
final ContainerID containerId = ContainerID.valueOf(startContainerID);
- return scm.getContainerManager().getContainers(containerId, count);
+ if(null == state) {
+ return scm.getContainerManager().getContainers(containerId, count);
+ }
+ return scm.getContainerManager().getContainers(state).stream()
+ .limit(count).collect(Collectors.toList());
Review comment:
the `startContainerID` does not take effect here.
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