From 8820eac8f3befc90aa0f33be16a4b7660dffe8a1 Mon Sep 17 00:00:00 2001
From: rdhabalia <rdhabalia@apache.org>
Date: Tue, 5 Feb 2019 19:58:02 -0800
Subject: [PATCH] add debug logs

---
 .../bookkeeper/bookie/ScanAndCompareGarbageCollector.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/ScanAndCompareGarbageCollector.java b/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/ScanAndCompareGarbageCollector.java
index 8d6b8e82959..389c2dcada1 100644
--- a/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/ScanAndCompareGarbageCollector.java
+++ b/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/ScanAndCompareGarbageCollector.java
@@ -135,6 +135,8 @@ public void gc(GarbageCleaner garbageCleaner) {
             return;
         }
 
+        long startTime = System.currentTimeMillis();
+        LOG.info("starting gc - zk traversing");
         try {
             // Get a set of all ledgers on the bookie
             NavigableSet<Long> bkActiveLedgers = Sets.newTreeSet(ledgerStorage.getActiveLedgersInRange(0,
@@ -217,6 +219,8 @@ public void gc(GarbageCleaner garbageCleaner) {
             // ignore exception, collecting garbage next time
             LOG.warn("Exception when iterating over the metadata {}", t);
         } finally {
+            long endTime = System.currentTimeMillis();
+            LOG.info("Total GC time {}", TimeUnit.MILLISECONDS.toSeconds(endTime - startTime));
             if (zk != null) {
                 try {
                     zk.close();