From 142e36e7dec13e2b04bf4bc620671794ac8c980c Mon Sep 17 00:00:00 2001
From: Misty Stanley-Jones <mstanleyjones@cloudera.com>
Date: Wed, 11 Mar 2015 13:20:06 +1000
Subject: [PATCH] HBASE-13196 Add info about default number of versions when
 using the export tool

---
 src/main/asciidoc/_chapters/ops_mgt.adoc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/asciidoc/_chapters/ops_mgt.adoc b/src/main/asciidoc/_chapters/ops_mgt.adoc
index c7e6432a00a..7d0d6011875 100644
--- a/src/main/asciidoc/_chapters/ops_mgt.adoc
+++ b/src/main/asciidoc/_chapters/ops_mgt.adoc
@@ -412,6 +412,8 @@ Invoke via:
 $ bin/hbase org.apache.hadoop.hbase.mapreduce.Export <tablename> <outputdir> [<versions> [<starttime> [<endtime>]]]
 ----
 
+By default, the `Export` tool only exports the newest version of a given cell, regardless of the number of versions stored. To export more than one version, replace *_<versions>_* with the desired number of versions.
+
 Note: caching for the input Scan is configured via `hbase.client.scanner.caching` in the job configuration.
 
 === Import
@@ -580,6 +582,8 @@ It will run the mapreduce all in a single process but it will run faster if you
 $ bin/hbase org.apache.hadoop.hbase.mapreduce.RowCounter <tablename> [<column1> <column2>...]
 ----
 
+RowCounter only counts one version per cell.
+
 Note: caching for the input Scan is configured via `hbase.client.scanner.caching` in the job configuration.
 
 HBase ships another diagnostic mapreduce job called link:http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/CellCounter.html[CellCounter].