diff --git a/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java b/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
index d17450426e7..ca8a081c13a 100644
--- a/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
+++ b/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
@@ -410,13 +410,14 @@ public void runWithFlags(boolean force, boolean suspendMajor, boolean suspendMin
         compactor.cleanUpAndRecover();
 
         try {
-         // Extract all of the ledger ID's that comprise all of the entry logs
-            // (except for the current new one which is still being written to).
-            extractMetaFromEntryLogs();
-
             // gc inactive/deleted ledgers
+            // this is used in extractMetaFromEntryLogs to calculate the usage of entry log
             doGcLedgers();
 
+            // Extract all of the ledger ID's that comprise all of the entry logs
+            // (except for the current new one which is still being written to).
+            extractMetaFromEntryLogs();
+
             // gc entry logs
             doGcEntryLogs();