e87a69
@@ -52,24 +52,17 @@
import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.security.UserProvider;
-import org.apache.hadoop.hbase.security.token.AuthenticationTokenIdentifier;
-import org.apache.hadoop.hbase.security.token.AuthenticationTokenSelector;
 import org.apache.hadoop.hbase.security.token.TokenUtil;
 import org.apache.hadoop.hbase.util.Base64;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.zookeeper.ZKClusterId;
 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
-import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
-import org.apache.hadoop.io.Text;
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.io.WritableComparable;
 import org.apache.hadoop.mapreduce.InputFormat;
 import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.util.StringUtils;
-import org.apache.zookeeper.KeeperException;
-
 import com.google.protobuf.InvalidProtocolBufferException;
+import com.yammer.metrics.core.MetricsRegistry;
 
 /**
  * Utility for {@link TableMapper} and {@link TableReducer}
@@ -311,7 +304,7 @@
public class TableMapReduceUtil {
     conf.setFloat(
       HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, HConstants.HFILE_BLOCK_CACHE_SIZE_DEFAULT);
     conf.setFloat(HConstants.BUCKET_CACHE_SIZE_KEY, 0f);
-    conf.setFloat("hbase.bucketcache.size", 0f);
+    conf.unset(HConstants.BUCKET_CACHE_IOENGINE_KEY);
   }
 
   /**
@@ -343,6 +336,7 @@
public class TableMapReduceUtil {
     TableSnapshotInputFormat.setInput(job, snapshotName, tmpRestoreDir);
     initTableMapperJob(snapshotName, scan, mapper, outputKeyClass,
         outputValueClass, job, addDependencyJars, false, TableSnapshotInputFormat.class);
+    addDependencyJars(job.getConfiguration(), MetricsRegistry.class);
     resetCacheConfig(job.getConfiguration());
   }
 
@@ -408,7 +402,7 @@
public class TableMapReduceUtil {
       Class<? extends TableMapper> mapper,
       Class<? extends WritableComparable> outputKeyClass,
       Class<? extends Writable> outputValueClass, Job job,
-      boolean addDependencyJars, 
+      boolean addDependencyJars,
       boolean initCredentials) throws IOException {
     job.setInputFormatClass(MultiTableInputFormat.class);
     if (outputValueClass != null) {
