jojochuang commented on a change in pull request #1252: HDFS-14678. Allow
triggerBlockReport to a specific namenode.
URL: https://github.com/apache/hadoop/pull/1252#discussion_r313981645
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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@@ -3311,10 +3311,13 @@ public ReconfigurationTaskStatus
getReconfigurationStatus() throws IOException {
public void triggerBlockReport(BlockReportOptions options)
throws IOException {
checkSuperuserPrivilege();
+ InetSocketAddress namenodeAddr = options.getNamenodeAddr();
for (BPOfferService bpos : blockPoolManager.getAllNamenodeThreads()) {
if (bpos != null) {
for (BPServiceActor actor : bpos.getBPServiceActors()) {
- actor.triggerBlockReport(options);
+ if (namenodeAddr == null || namenodeAddr.equals(actor.nnAddr)) {
Review comment:
Can we make this condition more readable?
Like create a boolean shouldTriggerBlockReportForAllNameNodes =
(namenodeAddr == null)
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