IMPALA-7000: [DOCS] Correct info about dedicated executors

Change-Id: I4b7e6c57188a41a45d5813882b6dbc37cf47cf1f
Reviewed-on: http://gerrit.cloudera.org:8080/10357
Reviewed-by: Tim Armstrong <tarmstr...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>


Project: http://git-wip-us.apache.org/repos/asf/impala/repo
Commit: http://git-wip-us.apache.org/repos/asf/impala/commit/1440401b
Tree: http://git-wip-us.apache.org/repos/asf/impala/tree/1440401b
Diff: http://git-wip-us.apache.org/repos/asf/impala/diff/1440401b

Branch: refs/heads/2.x
Commit: 1440401bb867eb35440ea00dadded4ae050e41eb
Parents: 04add98
Author: Alex Rodoni <arod...@cloudera.com>
Authored: Wed May 9 10:02:09 2018 -0700
Committer: Impala Public Jenkins <impala-public-jenk...@gerrit.cloudera.org>
Committed: Thu May 17 22:03:02 2018 +0000

----------------------------------------------------------------------
 docs/topics/impala_scalability.xml | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
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http://git-wip-us.apache.org/repos/asf/impala/blob/1440401b/docs/topics/impala_scalability.xml
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diff --git a/docs/topics/impala_scalability.xml 
b/docs/topics/impala_scalability.xml
index 22e8e72..5aadb7b 100644
--- a/docs/topics/impala_scalability.xml
+++ b/docs/topics/impala_scalability.xml
@@ -355,11 +355,13 @@ Memory Usage: Additional Notes
       </p>
 
       <p>
-        Then, you specify that the
-        other hosts act as executors but not coordinators. These hosts do not 
communicate
-        with the <cmdname>statestored</cmdname> daemon or process the final 
result sets
-        from queries. You cannot connect to these hosts through clients such as
-        <cmdname>impala-shell</cmdname> or business intelligence tools.
+        Then, you specify that the other hosts act as executors but not
+        coordinators. These hosts do communicate with the
+          <cmdname>statestored</cmdname> daemon or process the final result 
sets
+        from queries, but the executor hosts do not get the metadata topic from
+          <cmdname>statestored</cmdname>. You cannot connect to these hosts
+        through clients such as <cmdname>impala-shell</cmdname> or business
+        intelligence tools.
       </p>
 
       <p>

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