dannytbecker commented on code in PR #6018:
URL: https://github.com/apache/hadoop/pull/6018#discussion_r1319203417
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestBootstrapStandby.java:
##########
@@ -172,6 +185,104 @@ public void testDownloadingLaterCheckpoint() throws
Exception {
restartNameNodesFromIndex(1);
}
+ /**
+ * Test for downloading a checkpoint while the cluster is in rolling upgrade.
+ */
+ @Test
+ public void testRollingUpgradeBootstrapStandby() throws Exception {
+ removeStandbyNameDirs();
+
+ int futureVersion = NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION - 1;
+
+ DistributedFileSystem fs = cluster.getFileSystem(0);
+ fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
+ fs.saveNamespace();
+ fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
Review Comment:
Changed
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