eolivelli commented on a change in pull request #8244:
URL: https://github.com/apache/pulsar/pull/8244#discussion_r506952515



##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/PulsarClusterMetadataTeardown.java
##########
@@ -107,5 +128,86 @@ public static void deleteZkNodeRecursively(ZooKeeper 
zooKeeper, String path) thr
         }
     }
 
+    private static List<String> getChildren(ZooKeeper zooKeeper, String path) {
+        try {
+            return zooKeeper.getChildren(path, null);
+        } catch (InterruptedException | KeeperException e) {
+            log.error("Failed to get children of {}: {}", path, e);
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static byte[] getData(ZooKeeper zooKeeper, String path) {
+        try {
+            return zooKeeper.getData(path, null, null);
+        } catch (KeeperException | InterruptedException e) {
+            log.error("Failed to get data from {}: {}", path, e);
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static void deleteLedger(BookKeeper bookKeeper, long ledgerId) {
+        try {
+            bookKeeper.deleteLedger(ledgerId);
+            log.debug("Delete ledger id: {}", ledgerId);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        } catch (BKException e) {
+            log.warn("Failed to delete ledger {}: {}", ledgerId, e);
+        }
+    }
+
+    private static void deleteManagedLedgers(ZooKeeper zooKeeper, BookKeeper 
bookKeeper) {
+        final String managedLedgersRoot = "/managed-ledgers";

Review comment:
       ok. looking forward for news




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