diff --git a/java/org/rocksdb/benchmark/DbBenchmark.java b/java/org/rocksdb/benchmark/DbBenchmark.java
index 12afbe62f..5eec3e990 100644
--- a/java/org/rocksdb/benchmark/DbBenchmark.java
+++ b/java/org/rocksdb/benchmark/DbBenchmark.java
@@ -800,11 +800,17 @@ public class DbBenchmark {
         }
       }
     }
+    String extra = "";
+    if (benchmark.indexOf("read") >= 0) {
+      extra = String.format(" %d / %d found; ", stats.found_, stats.done_);
+    } else {
+      extra = String.format(" %d ops done; ", stats.done_);
+    }
 
     System.out.printf(
-        "%-16s : %11.5f micros/op; %6.1f MB/s; %d / %d task(s) finished.\n",
+        "%-16s : %11.5f micros/op; %6.1f MB/s;%s %d / %d task(s) finished.\n",
         benchmark, (double) elapsedSeconds / stats.done_ * 1e6,
-        (stats.bytes_ / 1048576.0) / elapsedSeconds,
+        (stats.bytes_ / 1048576.0) / elapsedSeconds, extra,
         taskFinishedCount, concurrentThreads);
   }
 
diff --git a/util/slice.cc b/util/slice.cc
index 55f561f0c..5a1f4f10e 100644
--- a/util/slice.cc
+++ b/util/slice.cc
@@ -17,13 +17,14 @@ namespace {
 class FixedPrefixTransform : public SliceTransform {
  private:
   size_t prefix_len_;
+  std::string name_;
 
  public:
-  explicit FixedPrefixTransform(size_t prefix_len) : prefix_len_(prefix_len) { }
+  explicit FixedPrefixTransform(size_t prefix_len)
+      : prefix_len_(prefix_len),
+        name_("rocksdb.FixedPrefix." + std::to_string(prefix_len_)) {}
 
-  virtual const char* Name() const {
-    return "rocksdb.FixedPrefix";
-  }
+  virtual const char* Name() const { return name_.c_str(); }
 
   virtual Slice Transform(const Slice& src) const {
     assert(InDomain(src));