Added hook to checkpoint all BDB envs

src/java/voldemort/store/bdb/BdbStorageConfiguration.java

@@ -39,6 +39,7 @@
 
 import com.google.common.collect.Maps;
 import com.sleepycat.je.CacheMode;
+import com.sleepycat.je.CheckpointConfig;
 import com.sleepycat.je.Database;
 import com.sleepycat.je.DatabaseConfig;
 import com.sleepycat.je.DatabaseException;
@@ -304,7 +305,7 @@ public String getEnvStatsAsString(String storeName, boolean fast) throws Excepti
     /**
      * Forceful cleanup the logs
      */
-    @JmxOperation(description = "Forceful start the cleaner threads")
+    @JmxOperation(description = "Forceful invoke the log cleaning")
     public void cleanLogs() {
         synchronized(lock) {
             try {
@@ -317,6 +318,24 @@ public void cleanLogs() {
         }
     }
 
+    /**
+     * Forceful checkpointing
+     */
+    @JmxOperation(description = "Forcefully checkpoint all the environments")
+    public void checkPointAllEnvironments() {
+        synchronized(lock) {
+            try {
+                for(Environment environment: environments.values()) {
+                    CheckpointConfig checkPointConfig = new CheckpointConfig();
+                    checkPointConfig.setForce(true);
+                    environment.checkpoint(checkPointConfig);
+                }
+            } catch(DatabaseException e) {
+                throw new VoldemortException(e);
+            }
+        }
+    }
+
     public void close() {
         synchronized(lock) {
             try {