ChenSammi commented on code in PR #8239:
URL: https://github.com/apache/ozone/pull/8239#discussion_r2065254706
##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/scm/node/TestDiskBalancer.java:
##########
@@ -86,6 +90,53 @@ public void testDatanodeDiskBalancerReport() throws
IOException {
>= reportProtoList.get(1).getCurrentVolumeDensitySum());
}
+ @Test
+ public void testDiskBalancerStopAfterEven() throws IOException,
+ InterruptedException, TimeoutException {
+ String datanodeHostName1 = cluster.getStorageContainerManager()
+ .getScmNodeManager()
+ .getAllNodes()
+ .get(0)
+ .getHostName();
+
+ // Start the DiskBalancer with specific parameters
+ diskBalancerManager.startDiskBalancer(
+ Optional.of(10.0), // threshold
+ Optional.of(10L), // bandwidth in MB
+ Optional.of(5), // parallel threads
+ Optional.of(true), // stopAfterDiskEven
+ Optional.of(Collections.singletonList(datanodeHostName1))//apply to
one datanode
+ );
+
+ // Wait until the DiskBalancer status becomes RUNNING for that datanode
+ GenericTestUtils.waitFor(() -> {
+ try {
+ List<HddsProtos.DatanodeDiskBalancerInfoProto> statusList =
+
storageClient.getDiskBalancerStatus(Optional.of(Collections.singletonList(datanodeHostName1)),
+ Optional.empty());
+
+ return statusList.size() == 1 &&
statusList.get(0).getNode().getHostName().equals(datanodeHostName1) &&
+ statusList.get(0).getRunningStatus() ==
HddsProtos.DiskBalancerRunningStatus.RUNNING;
+ } catch (IOException e) {
+ return false;
+ }
+ }, 5000, 60000); // poll every 5s, timeout after 60s
Review Comment:
1. 5000 -> 100
2. same problem as robot test, please set smaller disk balancer check
interval, so that it would need to wait fro 60s here.
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