diff --git a/indexing-hadoop/src/main/java/io/druid/indexer/DetermineHashedPartitionsJob.java b/indexing-hadoop/src/main/java/io/druid/indexer/DetermineHashedPartitionsJob.java
index ee580ac23b7..82643065123 100644
--- a/indexing-hadoop/src/main/java/io/druid/indexer/DetermineHashedPartitionsJob.java
+++ b/indexing-hadoop/src/main/java/io/druid/indexer/DetermineHashedPartitionsJob.java
@@ -158,22 +158,27 @@ public class DetermineHashedPartitionsJob implements Jobby
           fileSystem = partitionInfoPath.getFileSystem(groupByJob.getConfiguration());
         }
         if (Utils.exists(groupByJob, fileSystem, partitionInfoPath)) {
-          Long cardinality = config.jsonMapper.readValue(
-            Utils.openInputStream(groupByJob, partitionInfoPath), new TypeReference<Long>()
-        {
-        }
-        );
-        final int numberOfShards = (int) Math.ceil((double) cardinality / config.getTargetPartitionSize());
-
-        List<HadoopyShardSpec> actualSpecs = Lists.newArrayListWithExpectedSize(numberOfShards);
-        if (numberOfShards == 1) {
-          actualSpecs.add(new HadoopyShardSpec(new NoneShardSpec(), shardCount++));
-        } else {
-          for (int i = 0; i < numberOfShards; ++i) {
-            actualSpecs.add(new HadoopyShardSpec(new HashBasedNumberedShardSpec(i, numberOfShards), shardCount++));
-            log.info("DateTime[%s], partition[%d], spec[%s]", bucket, i, actualSpecs.get(i));
+          final Long numRows = config.jsonMapper.readValue(
+              Utils.openInputStream(groupByJob, partitionInfoPath), new TypeReference<Long>()
+          {
+          }
+          );
+
+          log.info("Found approximately [%,d] rows in data.", numRows);
+
+          final int numberOfShards = (int) Math.ceil((double) numRows / config.getTargetPartitionSize());
+
+          log.info("Creating [%,d] shards", numberOfShards);
+
+          List<HadoopyShardSpec> actualSpecs = Lists.newArrayListWithExpectedSize(numberOfShards);
+          if (numberOfShards == 1) {
+            actualSpecs.add(new HadoopyShardSpec(new NoneShardSpec(), shardCount++));
+          } else {
+            for (int i = 0; i < numberOfShards; ++i) {
+              actualSpecs.add(new HadoopyShardSpec(new HashBasedNumberedShardSpec(i, numberOfShards), shardCount++));
+              log.info("DateTime[%s], partition[%d], spec[%s]", bucket, i, actualSpecs.get(i));
+            }
           }
-        }
 
           shardSpecs.put(bucket, actualSpecs);
 
diff --git a/indexing-hadoop/src/main/java/io/druid/indexer/HadoopDruidIndexerConfig.java b/indexing-hadoop/src/main/java/io/druid/indexer/HadoopDruidIndexerConfig.java
index 853e0708fab..5956287f5d0 100644
--- a/indexing-hadoop/src/main/java/io/druid/indexer/HadoopDruidIndexerConfig.java
+++ b/indexing-hadoop/src/main/java/io/druid/indexer/HadoopDruidIndexerConfig.java
@@ -37,6 +37,7 @@ import com.google.inject.Module;
 import com.metamx.common.ISE;
 import com.metamx.common.guava.FunctionalIterable;
 import com.metamx.common.logger.Logger;
+import com.metamx.common.parsers.TimestampParser;
 import io.druid.common.utils.JodaUtils;
 import io.druid.data.input.InputRow;
 import io.druid.data.input.impl.StringInputRowParser;
diff --git a/indexing-service/src/main/java/io/druid/indexing/common/task/IndexTask.java b/indexing-service/src/main/java/io/druid/indexing/common/task/IndexTask.java
index f406c747a70..32565f1d51a 100644
--- a/indexing-service/src/main/java/io/druid/indexing/common/task/IndexTask.java
+++ b/indexing-service/src/main/java/io/druid/indexing/common/task/IndexTask.java
@@ -23,6 +23,7 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.google.common.base.Function;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -34,6 +35,7 @@ import com.google.common.primitives.Ints;
 import com.metamx.common.ISE;
 import com.metamx.common.guava.Comparators;
 import com.metamx.common.logger.Logger;
+import com.metamx.common.parsers.TimestampParser;
 import io.druid.data.input.Firehose;
 import io.druid.data.input.FirehoseFactory;
 import io.druid.data.input.InputRow;
@@ -551,4 +553,12 @@ public class IndexTask extends AbstractFixedIntervalTask
       return rowFlushBoundary;
     }
   }
+
+
+  public static void main(String[] args)
+  {
+    Function<String, DateTime> parser = TimestampParser.createTimestampParser("millis");
+    parser.apply("1401266370985");
+
+  }
 }