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 092951cba19..15fb2fe32dd 100644
--- a/indexing-hadoop/src/main/java/io/druid/indexer/HadoopDruidIndexerConfig.java
+++ b/indexing-hadoop/src/main/java/io/druid/indexer/HadoopDruidIndexerConfig.java
@@ -573,13 +573,6 @@ public class HadoopDruidIndexerConfig
 
   public void verify()
   {
-    try {
-      log.info("Running with config:%n%s", JSON_MAPPER.writerWithDefaultPrettyPrinter().writeValueAsString(this));
-    }
-    catch (IOException e) {
-      throw Throwables.propagate(e);
-    }
-
     Preconditions.checkNotNull(schema.getDataSchema().getDataSource(), "dataSource");
     Preconditions.checkNotNull(schema.getDataSchema().getParser().getParseSpec(), "parseSpec");
     Preconditions.checkNotNull(schema.getDataSchema().getParser().getParseSpec().getTimestampSpec(), "timestampSpec");
diff --git a/indexing-hadoop/src/main/java/io/druid/indexer/hadoop/DatasourceInputFormat.java b/indexing-hadoop/src/main/java/io/druid/indexer/hadoop/DatasourceInputFormat.java
index b4856a925fc..9991110b620 100644
--- a/indexing-hadoop/src/main/java/io/druid/indexer/hadoop/DatasourceInputFormat.java
+++ b/indexing-hadoop/src/main/java/io/druid/indexer/hadoop/DatasourceInputFormat.java
@@ -81,7 +81,10 @@ public class DatasourceInputFormat extends InputFormat<NullWritable, InputRow>
       throw new ISE("No segments found to read");
     }
 
-    logger.info("segments to read [%s]", segmentsStr);
+    // Note: log is splitted into two lines so that a new String is not generated to print it.
+    // segmentsStr could be quite large when re-indexing multiple months of data.
+    logger.info("Segment to read are...");
+    logger.info(segmentsStr);
 
     long maxSize = conf.getLong(CONF_MAX_SPLIT_SIZE, 0);
     if (maxSize < 0) {