From 9c19692c372290568df029e45a84051525623aac Mon Sep 17 00:00:00 2001
From: Vikas Vishwakarma <vikasv@apache.org>
Date: Mon, 27 Aug 2018 13:01:52 +0530
Subject: [PATCH] HBASE-20890 PE filterScan seems to be stuck forever

---
 .../java/org/apache/hadoop/hbase/PerformanceEvaluation.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java
index 1a72ececfca..04f5aaedec3 100644
--- a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java
+++ b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java
@@ -2212,6 +2212,10 @@ public class PerformanceEvaluation extends Configured implements Tool {
 
     FilteredScanTest(Connection con, TestOptions options, Status status) {
       super(con, options, status);
+      if (opts.perClientRunRows == DEFAULT_ROWS_PER_GB) {
+        LOG.warn("Option \"rows\" unspecified. Using default value " + DEFAULT_ROWS_PER_GB +
+                ". This could take a very long time.");
+      }
     }
 
     @Override