diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java
index 6c13dba..bfe3ceb 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java
@@ -706,6 +706,8 @@ public class FileStore implements SegmentStore, Closeable {
                 }
             }
         }
+        
+        stats.flushed();
     }
 
     /**
diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreMonitor.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreMonitor.java
index 59062cc..21ba252 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreMonitor.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreMonitor.java
@@ -34,6 +34,11 @@ interface FileStoreMonitor {
         public void reclaimed(long bytes) {
 
         }
+        
+        @Override
+        public void flushed() {
+            
+        }
     };
 
     /**
@@ -49,4 +54,9 @@ interface FileStoreMonitor {
      * @param bytes number of bytes reclaimed
      */
     void reclaimed(long bytes);
+    
+    /**
+     * Notifies the monitor when journal data is flushed to disk.
+     */
+    void flushed();
 }
diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStats.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStats.java
index 09cd3af..2ebb27a 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStats.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStats.java
@@ -34,16 +34,20 @@ import static org.apache.jackrabbit.stats.TimeSeriesStatsUtil.asCompositeData;
 public class FileStoreStats implements FileStoreStatsMBean, FileStoreMonitor {
     public static final String SEGMENT_REPO_SIZE = "SEGMENT_REPO_SIZE";
     public static final String SEGMENT_WRITES = "SEGMENT_WRITES";
+    public static final String JOURNAL_WRITES = "JOURNAL_WRITES";
+    
     private final StatisticsProvider statisticsProvider;
     private final FileStore store;
     private final MeterStats writeStats;
     private final CounterStats repoSize;
-
+    private final MeterStats journalWriteStats;
+    
     public FileStoreStats(StatisticsProvider statisticsProvider, FileStore store, long initialSize) {
         this.statisticsProvider = statisticsProvider;
         this.store = store;
         this.writeStats = statisticsProvider.getMeter(SEGMENT_WRITES, StatsOptions.DEFAULT);
         this.repoSize = statisticsProvider.getCounterStats(SEGMENT_REPO_SIZE, StatsOptions.DEFAULT);
+        this.journalWriteStats = statisticsProvider.getMeter(JOURNAL_WRITES, StatsOptions.DEFAULT);
         repoSize.inc(initialSize);
     }
 
@@ -59,6 +63,11 @@ public class FileStoreStats implements FileStoreStatsMBean, FileStoreMonitor {
     public void reclaimed(long size) {
         repoSize.dec(size);
     }
+    
+    @Override
+    public void flushed() {
+        journalWriteStats.mark();
+    }
 
     //~--------------------------------< FileStoreStatsMBean >
 
@@ -91,6 +100,11 @@ public class FileStoreStats implements FileStoreStatsMBean, FileStoreMonitor {
                 IOUtils.humanReadableByteCount(getApproximateSize()),
                 getTarFileCount());
     }
+    
+    @Override
+    public CompositeData getJournalWriteStats() {
+        return asCompositeData(getTimeSeries(JOURNAL_WRITES), JOURNAL_WRITES);
+    }
 
     private TimeSeries getTimeSeries(String name) {
         return statisticsProvider.getStats().getTimeSeries(name, true);
diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStatsMBean.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStatsMBean.java
index e7c5db8..931385d 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStatsMBean.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreStatsMBean.java
@@ -40,4 +40,9 @@ public interface FileStoreStatsMBean {
     CompositeData getRepositorySize();
 
     String fileStoreInfoAsString();
+    
+    /**
+     * @return  time series of the writes to journal
+     */
+    CompositeData getJournalWriteStats();
 }