http://git-wip-us.apache.org/repos/asf/hive/blob/230cc4bb/ql/src/test/results/clientpositive/llap/merge1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/merge1.q.out 
b/ql/src/test/results/clientpositive/llap/merge1.q.out
index 5499af7..4171a50 100644
--- a/ql/src/test/results/clientpositive/llap/merge1.q.out
+++ b/ql/src/test/results/clientpositive/llap/merge1.q.out
@@ -50,7 +50,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 250 Data size: 23750 Basic 
stats: COMPLETE Column stats: COMPLETE
                         value expressions: _col1 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
             Execution mode: llap

http://git-wip-us.apache.org/repos/asf/hive/blob/230cc4bb/ql/src/test/results/clientpositive/llap/merge2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/merge2.q.out 
b/ql/src/test/results/clientpositive/llap/merge2.q.out
index b1e6d7b..b6b4d6b 100644
--- a/ql/src/test/results/clientpositive/llap/merge2.q.out
+++ b/ql/src/test/results/clientpositive/llap/merge2.q.out
@@ -50,7 +50,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 250 Data size: 23750 Basic 
stats: COMPLETE Column stats: COMPLETE
                         value expressions: _col1 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
             Execution mode: llap

http://git-wip-us.apache.org/repos/asf/hive/blob/230cc4bb/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
----------------------------------------------------------------------
diff --git 
a/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out 
b/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
index c384972..ed26c03 100644
--- a/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
+++ b/ql/src/test/results/clientpositive/llap/metadata_only_queries.q.out
@@ -212,10 +212,10 @@ STAGE PLANS:
                         sort order: 
                         Statistics: Num rows: 1 Data size: 520 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint), _col1 (type: 
bigint), _col2 (type: decimal(11,1)), _col3 (type: bigint), _col4 (type: 
bigint), _col5 (type: bigint), _col6 (type: bigint), _col7 (type: int), _col8 
(type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), count(VALUE._col3), count(VALUE._col4), count(VALUE._col5), 
count(VALUE._col6), max(VALUE._col7), min(VALUE._col8)
@@ -276,10 +276,10 @@ STAGE PLANS:
                         sort order: 
                         Statistics: Num rows: 1 Data size: 520 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint), _col1 (type: 
bigint), _col2 (type: decimal(11,1)), _col3 (type: bigint), _col4 (type: 
bigint), _col5 (type: bigint), _col6 (type: bigint), _col7 (type: int), _col8 
(type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), count(VALUE._col3), count(VALUE._col4), count(VALUE._col5), 
count(VALUE._col6), max(VALUE._col7), min(VALUE._col8)
@@ -340,10 +340,10 @@ STAGE PLANS:
                         sort order: 
                         Statistics: Num rows: 1 Data size: 520 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint), _col1 (type: 
bigint), _col2 (type: decimal(11,1)), _col3 (type: bigint), _col4 (type: 
bigint), _col5 (type: bigint), _col6 (type: bigint), _col7 (type: int), _col8 
(type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), count(VALUE._col3), count(VALUE._col4), count(VALUE._col5), 
count(VALUE._col6), max(VALUE._col7), min(VALUE._col8)
@@ -404,10 +404,10 @@ STAGE PLANS:
                         sort order: 
                         Statistics: Num rows: 1 Data size: 520 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint), _col1 (type: 
bigint), _col2 (type: decimal(11,1)), _col3 (type: bigint), _col4 (type: 
bigint), _col5 (type: bigint), _col6 (type: bigint), _col7 (type: int), _col8 
(type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), count(VALUE._col3), count(VALUE._col4), count(VALUE._col5), 
count(VALUE._col6), max(VALUE._col7), min(VALUE._col8)
@@ -668,10 +668,10 @@ STAGE PLANS:
                         sort order: 
                         Statistics: Num rows: 1 Data size: 48 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)

http://git-wip-us.apache.org/repos/asf/hive/blob/230cc4bb/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/metadataonly1.q.out 
b/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
index c705f64..1630427 100644
--- a/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
+++ b/ql/src/test/results/clientpositive/llap/metadataonly1.q.out
@@ -44,10 +44,10 @@ STAGE PLANS:
                         tag: -1
                         value expressions: _col0 (type: string)
                         auto parallelism: false
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: unknown
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator
@@ -138,7 +138,7 @@ STAGE PLANS:
                         tag: -1
                         value expressions: _col0 (type: string)
                         auto parallelism: false
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
             Path -> Alias:
               nullscan://null/default.test1/part_ds=1_ [test1]
@@ -192,7 +192,7 @@ STAGE PLANS:
             Truncated Path -> Alias:
               nullscan://null/default.test1/part_ds=1_ [test1]
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator
@@ -419,7 +419,7 @@ STAGE PLANS:
                         tag: -1
                         value expressions: _col0 (type: bigint)
                         auto parallelism: false
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
             Path -> Alias:
 #### A masked pattern was here ####
@@ -474,7 +474,7 @@ STAGE PLANS:
             Truncated Path -> Alias:
               /test1/ds=1 [test1]
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator
@@ -567,7 +567,7 @@ STAGE PLANS:
                       Statistics: Num rows: 1 Data size: 184 Basic stats: 
PARTIAL Column stats: COMPLETE
                       tag: 0
                       auto parallelism: true
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
             Path -> Alias:
 #### A masked pattern was here ####
@@ -691,7 +691,7 @@ STAGE PLANS:
                         tag: -1
                         value expressions: _col0 (type: string)
                         auto parallelism: false
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
             Path -> Alias:
 #### A masked pattern was here ####
@@ -818,7 +818,7 @@ STAGE PLANS:
                     value expressions: _col0 (type: bigint)
                     auto parallelism: false
         Reducer 3 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator
@@ -849,7 +849,7 @@ STAGE PLANS:
                   GatherStats: false
                   MultiFileSpray: false
         Reducer 5 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator
@@ -1219,7 +1219,7 @@ STAGE PLANS:
                         tag: -1
                         value expressions: _col1 (type: bigint)
                         auto parallelism: true
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
             Path -> Alias:
 #### A masked pattern was here ####
@@ -1373,7 +1373,7 @@ STAGE PLANS:
               /test2/ds=1/hr=2 [test2]
               /test2/ds=1/hr=3 [test2]
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator
@@ -1463,7 +1463,7 @@ STAGE PLANS:
                         tag: -1
                         value expressions: _col0 (type: string)
                         auto parallelism: false
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
             Path -> Alias:
               nullscan://null/default.test1/part_ds=1_ [test1]
@@ -1565,7 +1565,7 @@ STAGE PLANS:
               nullscan://null/default.test1/part_ds=1_ [test1]
               nullscan://null/default.test1/part_ds=2_ [test1]
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Needs Tagging: false
             Reduce Operator Tree:
               Group By Operator

http://git-wip-us.apache.org/repos/asf/hive/blob/230cc4bb/ql/src/test/results/clientpositive/llap/mrr.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/mrr.q.out 
b/ql/src/test/results/clientpositive/llap/mrr.q.out
index 4fff286..737c738 100644
--- a/ql/src/test/results/clientpositive/llap/mrr.q.out
+++ b/ql/src/test/results/clientpositive/llap/mrr.q.out
@@ -36,10 +36,10 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 250 Data size: 23750 Basic 
stats: COMPLETE Column stats: COMPLETE
                         value expressions: _col1 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -53,7 +53,7 @@ STAGE PLANS:
                   Statistics: Num rows: 250 Data size: 23750 Basic stats: 
COMPLETE Column stats: COMPLETE
                   value expressions: _col0 (type: string)
         Reducer 3 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Select Operator
                 expressions: VALUE._col0 (type: string), KEY.reducesinkkey0 
(type: bigint)
@@ -425,7 +425,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 500 Data size: 43500 Basic 
stats: COMPLETE Column stats: COMPLETE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
@@ -445,7 +445,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 500 Data size: 89000 Basic 
stats: COMPLETE Column stats: COMPLETE
                         value expressions: _col1 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
             Execution mode: llap
@@ -469,7 +469,7 @@ STAGE PLANS:
                     Map-reduce partition columns: _col0 (type: string)
                     Statistics: Num rows: 404 Data size: 71912 Basic stats: 
COMPLETE Column stats: COMPLETE
         Reducer 3 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
@@ -487,7 +487,7 @@ STAGE PLANS:
                     sort order: ++
                     Statistics: Num rows: 309 Data size: 29355 Basic stats: 
COMPLETE Column stats: COMPLETE
         Reducer 4 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Select Operator
                 expressions: KEY.reducesinkkey1 (type: string), 
KEY.reducesinkkey0 (type: bigint)
@@ -859,7 +859,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 500 Data size: 43500 Basic 
stats: COMPLETE Column stats: COMPLETE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 2 
             Map Operator Tree:
@@ -893,10 +893,10 @@ STAGE PLANS:
                             sort order: ++
                             Map-reduce partition columns: _col0 (type: string)
                             Statistics: Num rows: 404 Data size: 71912 Basic 
stats: COMPLETE Column stats: COMPLETE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 3 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 keys: KEY._col0 (type: string), KEY._col1 (type: string)
@@ -914,7 +914,7 @@ STAGE PLANS:
                     sort order: ++
                     Statistics: Num rows: 309 Data size: 29355 Basic stats: 
COMPLETE Column stats: COMPLETE
         Reducer 4 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Select Operator
                 expressions: KEY.reducesinkkey1 (type: string), 
KEY.reducesinkkey0 (type: bigint)
@@ -1331,10 +1331,10 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 250 Data size: 23750 Basic 
stats: COMPLETE Column stats: COMPLETE
                         value expressions: _col1 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -1371,7 +1371,7 @@ STAGE PLANS:
                     Statistics: Num rows: 54 Data size: 15390 Basic stats: 
COMPLETE Column stats: COMPLETE
                     value expressions: _col1 (type: bigint), _col3 (type: 
bigint), _col4 (type: string), _col5 (type: bigint)
         Reducer 4 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 
(type: bigint), KEY.reducesinkkey0 (type: string), VALUE._col1 (type: bigint), 
VALUE._col2 (type: string), VALUE._col3 (type: bigint)
@@ -1385,7 +1385,7 @@ STAGE PLANS:
                       output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
                       serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
         Reducer 5 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -1403,7 +1403,7 @@ STAGE PLANS:
                     Statistics: Num rows: 83 Data size: 7885 Basic stats: 
COMPLETE Column stats: COMPLETE
                     value expressions: _col1 (type: bigint)
         Reducer 6 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -1639,7 +1639,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
@@ -1659,10 +1659,10 @@ STAGE PLANS:
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -1686,7 +1686,7 @@ STAGE PLANS:
                     Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col1 (type: bigint), _col2 (type: 
string), _col3 (type: string)
         Reducer 3 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 
(type: bigint), VALUE._col1 (type: string), VALUE._col2 (type: string)

http://git-wip-us.apache.org/repos/asf/hive/blob/230cc4bb/ql/src/test/results/clientpositive/llap/multiMapJoin1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/multiMapJoin1.q.out 
b/ql/src/test/results/clientpositive/llap/multiMapJoin1.q.out
index 559173c..3530370 100644
--- a/ql/src/test/results/clientpositive/llap/multiMapJoin1.q.out
+++ b/ql/src/test/results/clientpositive/llap/multiMapJoin1.q.out
@@ -192,14 +192,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 1748368 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 175168 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 4500 Data size: 1573531 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 450 Data size: 157651 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 4500 Data size: 1573531 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 450 Data size: 157651 Basic stats: 
COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -209,11 +209,11 @@ STAGE PLANS:
                         outputColumnNames: _col1
                         input vertices:
                           1 Map 3
-                        Statistics: Num rows: 4950 Data size: 1730884 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 495 Data size: 173416 Basic 
stats: COMPLETE Column stats: NONE
                         Select Operator
                           expressions: _col1 (type: string)
                           outputColumnNames: _col0
-                          Statistics: Num rows: 4950 Data size: 1730884 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 495 Data size: 173416 Basic 
stats: COMPLETE Column stats: NONE
                           Map Join Operator
                             condition map:
                                  Inner Join 0 to 1
@@ -222,7 +222,7 @@ STAGE PLANS:
                               1 _col0 (type: string)
                             input vertices:
                               1 Map 4
-                            Statistics: Num rows: 5445 Data size: 1903972 
Basic stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 544 Data size: 190757 Basic 
stats: COMPLETE Column stats: NONE
                             Group By Operator
                               aggregations: count()
                               mode: hash
@@ -232,7 +232,7 @@ STAGE PLANS:
                                 sort order: 
                                 Statistics: Num rows: 1 Data size: 8 Basic 
stats: COMPLETE Column stats: NONE
                                 value expressions: _col0 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 3 
             Map Operator Tree:
@@ -251,7 +251,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
@@ -270,10 +270,10 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -355,14 +355,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 1748368 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 175168 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 4500 Data size: 1573531 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 450 Data size: 157651 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 4500 Data size: 1573531 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 450 Data size: 157651 Basic stats: 
COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -372,11 +372,11 @@ STAGE PLANS:
                         outputColumnNames: _col1
                         input vertices:
                           1 Map 3
-                        Statistics: Num rows: 4950 Data size: 1730884 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 495 Data size: 173416 Basic 
stats: COMPLETE Column stats: NONE
                         Select Operator
                           expressions: _col1 (type: string)
                           outputColumnNames: _col0
-                          Statistics: Num rows: 4950 Data size: 1730884 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 495 Data size: 173416 Basic 
stats: COMPLETE Column stats: NONE
                           Map Join Operator
                             condition map:
                                  Inner Join 0 to 1
@@ -385,7 +385,7 @@ STAGE PLANS:
                               1 _col0 (type: string)
                             input vertices:
                               1 Map 4
-                            Statistics: Num rows: 5445 Data size: 1903972 
Basic stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 544 Data size: 190757 Basic 
stats: COMPLETE Column stats: NONE
                             Group By Operator
                               aggregations: count()
                               mode: hash
@@ -395,7 +395,7 @@ STAGE PLANS:
                                 sort order: 
                                 Statistics: Num rows: 1 Data size: 8 Basic 
stats: COMPLETE Column stats: NONE
                                 value expressions: _col0 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 3 
             Map Operator Tree:
@@ -414,7 +414,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
@@ -433,10 +433,10 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -520,14 +520,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 1748368 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 175168 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 4500 Data size: 1573531 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 450 Data size: 157651 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 4500 Data size: 1573531 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 450 Data size: 157651 Basic stats: 
COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -537,11 +537,11 @@ STAGE PLANS:
                         outputColumnNames: _col1
                         input vertices:
                           1 Map 3
-                        Statistics: Num rows: 4950 Data size: 1730884 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 495 Data size: 173416 Basic 
stats: COMPLETE Column stats: NONE
                         Select Operator
                           expressions: _col1 (type: string)
                           outputColumnNames: _col0
-                          Statistics: Num rows: 4950 Data size: 1730884 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 495 Data size: 173416 Basic 
stats: COMPLETE Column stats: NONE
                           Map Join Operator
                             condition map:
                                  Inner Join 0 to 1
@@ -551,20 +551,20 @@ STAGE PLANS:
                             outputColumnNames: _col1
                             input vertices:
                               1 Map 4
-                            Statistics: Num rows: 5445 Data size: 1903972 
Basic stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 544 Data size: 190757 Basic 
stats: COMPLETE Column stats: NONE
                             Group By Operator
                               aggregations: count()
                               keys: _col1 (type: string)
                               mode: hash
                               outputColumnNames: _col0, _col1
-                              Statistics: Num rows: 5445 Data size: 1903972 
Basic stats: COMPLETE Column stats: NONE
+                              Statistics: Num rows: 544 Data size: 190757 
Basic stats: COMPLETE Column stats: NONE
                               Reduce Output Operator
                                 key expressions: _col0 (type: string)
                                 sort order: +
                                 Map-reduce partition columns: _col0 (type: 
string)
-                                Statistics: Num rows: 5445 Data size: 1903972 
Basic stats: COMPLETE Column stats: NONE
+                                Statistics: Num rows: 544 Data size: 190757 
Basic stats: COMPLETE Column stats: NONE
                                 value expressions: _col1 (type: bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 3 
             Map Operator Tree:
@@ -583,7 +583,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
@@ -603,24 +603,24 @@ STAGE PLANS:
                         Map-reduce partition columns: _col1 (type: string)
                         Statistics: Num rows: 10 Data size: 3680 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
                 keys: KEY._col0 (type: string)
                 mode: mergepartial
                 outputColumnNames: _col0, _col1
-                Statistics: Num rows: 2722 Data size: 951811 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 272 Data size: 95378 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col1 (type: bigint)
                   outputColumnNames: _col0
-                  Statistics: Num rows: 2722 Data size: 951811 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 272 Data size: 95378 Basic stats: 
COMPLETE Column stats: NONE
                   File Output Operator
                     compressed: false
-                    Statistics: Num rows: 2722 Data size: 951811 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 272 Data size: 95378 Basic stats: 
COMPLETE Column stats: NONE
                     table:
                         input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
                         output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
@@ -825,14 +825,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 2622552 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 262752 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key1 is not null and key2 is not null and 
value is not null) (type: boolean)
-                    Statistics: Num rows: 4250 Data size: 2229169 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key1 (type: string), key2 (type: string), 
value (type: string)
                       outputColumnNames: _col0, _col1, _col2
-                      Statistics: Num rows: 4250 Data size: 2229169 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -842,11 +842,11 @@ STAGE PLANS:
                         outputColumnNames: _col0, _col1, _col2, _col3
                         input vertices:
                           1 Map 3
-                        Statistics: Num rows: 4675 Data size: 2452085 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 467 Data size: 245672 Basic 
stats: COMPLETE Column stats: NONE
                         Select Operator
                           expressions: _col0 (type: string), _col1 (type: 
string), _col3 (type: string), _col2 (type: string)
                           outputColumnNames: _col0, _col1, _col2, _col3
-                          Statistics: Num rows: 4675 Data size: 2452085 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 467 Data size: 245672 Basic 
stats: COMPLETE Column stats: NONE
                           Map Join Operator
                             condition map:
                                  Inner Join 0 to 1
@@ -856,11 +856,11 @@ STAGE PLANS:
                             outputColumnNames: _col0, _col1, _col2, _col3, 
_col4, _col5
                             input vertices:
                               1 Map 4
-                            Statistics: Num rows: 5142 Data size: 2697293 
Basic stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 513 Data size: 270239 Basic 
stats: COMPLETE Column stats: NONE
                             Select Operator
                               expressions: _col0 (type: string), _col1 (type: 
string), _col2 (type: string), _col5 (type: string), _col3 (type: string), 
_col4 (type: string)
                               outputColumnNames: _col0, _col1, _col2, _col3, 
_col4, _col5
-                              Statistics: Num rows: 5142 Data size: 2697293 
Basic stats: COMPLETE Column stats: NONE
+                              Statistics: Num rows: 513 Data size: 270239 
Basic stats: COMPLETE Column stats: NONE
                               Map Join Operator
                                 condition map:
                                      Inner Join 0 to 1
@@ -870,11 +870,11 @@ STAGE PLANS:
                                 outputColumnNames: _col0, _col1, _col2, _col3, 
_col4, _col5, _col6
                                 input vertices:
                                   1 Map 5
-                                Statistics: Num rows: 5656 Data size: 2967022 
Basic stats: COMPLETE Column stats: NONE
+                                Statistics: Num rows: 564 Data size: 297262 
Basic stats: COMPLETE Column stats: NONE
                                 Select Operator
                                   expressions: _col0 (type: string), _col1 
(type: string), _col2 (type: string), _col3 (type: string), _col6 (type: 
string), _col4 (type: string), _col5 (type: string)
                                   outputColumnNames: _col0, _col1, _col2, 
_col3, _col4, _col5, _col6
-                                  Statistics: Num rows: 5656 Data size: 
2967022 Basic stats: COMPLETE Column stats: NONE
+                                  Statistics: Num rows: 564 Data size: 297262 
Basic stats: COMPLETE Column stats: NONE
                                   Map Join Operator
                                     condition map:
                                          Inner Join 0 to 1
@@ -884,11 +884,11 @@ STAGE PLANS:
                                     outputColumnNames: _col0, _col1, _col2, 
_col3, _col4, _col5, _col6, _col7
                                     input vertices:
                                       1 Map 6
-                                    Statistics: Num rows: 6221 Data size: 
3263724 Basic stats: COMPLETE Column stats: NONE
+                                    Statistics: Num rows: 620 Data size: 
326988 Basic stats: COMPLETE Column stats: NONE
                                     Select Operator
                                       expressions: hash(_col0) (type: int), 
hash(_col1) (type: int), hash(_col2) (type: int), hash(_col3) (type: int), 
hash(_col4) (type: int), hash(_col7) (type: int), hash(_col5) (type: int), 
hash(_col6) (type: int)
                                       outputColumnNames: _col0, _col1, _col2, 
_col3, _col4, _col5, _col6, _col7
-                                      Statistics: Num rows: 6221 Data size: 
3263724 Basic stats: COMPLETE Column stats: NONE
+                                      Statistics: Num rows: 620 Data size: 
326988 Basic stats: COMPLETE Column stats: NONE
                                       Group By Operator
                                         aggregations: sum(_col0), sum(_col1), 
sum(_col2), sum(_col3), sum(_col4), sum(_col5), sum(_col6), sum(_col7)
                                         mode: hash
@@ -898,7 +898,7 @@ STAGE PLANS:
                                           sort order: 
                                           Statistics: Num rows: 1 Data size: 
64 Basic stats: COMPLETE Column stats: NONE
                                           value expressions: _col0 (type: 
bigint), _col1 (type: bigint), _col2 (type: bigint), _col3 (type: bigint), 
_col4 (type: bigint), _col5 (type: bigint), _col6 (type: bigint), _col7 (type: 
bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 3 
             Map Operator Tree:
@@ -917,7 +917,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
@@ -937,7 +937,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col1 (type: string)
                         Statistics: Num rows: 10 Data size: 3680 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
@@ -956,7 +956,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
@@ -975,10 +975,10 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), sum(VALUE._col3), sum(VALUE._col4), sum(VALUE._col5), 
sum(VALUE._col6), sum(VALUE._col7)
@@ -1160,14 +1160,14 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 2622552 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 262752 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key1 is not null and key2 is not null and 
value is not null) (type: boolean)
-                    Statistics: Num rows: 4250 Data size: 2229169 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key1 (type: string), key2 (type: string), 
value (type: string)
                       outputColumnNames: _col0, _col1, _col2
-                      Statistics: Num rows: 4250 Data size: 2229169 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                       Map Join Operator
                         condition map:
                              Inner Join 0 to 1
@@ -1177,11 +1177,11 @@ STAGE PLANS:
                         outputColumnNames: _col0, _col1, _col2, _col3
                         input vertices:
                           1 Map 3
-                        Statistics: Num rows: 4675 Data size: 2452085 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 467 Data size: 245672 Basic 
stats: COMPLETE Column stats: NONE
                         Select Operator
                           expressions: _col0 (type: string), _col1 (type: 
string), _col3 (type: string), _col2 (type: string)
                           outputColumnNames: _col0, _col1, _col2, _col3
-                          Statistics: Num rows: 4675 Data size: 2452085 Basic 
stats: COMPLETE Column stats: NONE
+                          Statistics: Num rows: 467 Data size: 245672 Basic 
stats: COMPLETE Column stats: NONE
                           Map Join Operator
                             condition map:
                                  Inner Join 0 to 1
@@ -1191,11 +1191,11 @@ STAGE PLANS:
                             outputColumnNames: _col0, _col1, _col2, _col3, 
_col4, _col5
                             input vertices:
                               1 Map 4
-                            Statistics: Num rows: 5142 Data size: 2697293 
Basic stats: COMPLETE Column stats: NONE
+                            Statistics: Num rows: 513 Data size: 270239 Basic 
stats: COMPLETE Column stats: NONE
                             Select Operator
                               expressions: _col0 (type: string), _col1 (type: 
string), _col2 (type: string), _col5 (type: string), _col3 (type: string), 
_col4 (type: string)
                               outputColumnNames: _col0, _col1, _col2, _col3, 
_col4, _col5
-                              Statistics: Num rows: 5142 Data size: 2697293 
Basic stats: COMPLETE Column stats: NONE
+                              Statistics: Num rows: 513 Data size: 270239 
Basic stats: COMPLETE Column stats: NONE
                               Map Join Operator
                                 condition map:
                                      Inner Join 0 to 1
@@ -1205,11 +1205,11 @@ STAGE PLANS:
                                 outputColumnNames: _col0, _col1, _col2, _col3, 
_col4, _col5, _col6
                                 input vertices:
                                   1 Map 5
-                                Statistics: Num rows: 5656 Data size: 2967022 
Basic stats: COMPLETE Column stats: NONE
+                                Statistics: Num rows: 564 Data size: 297262 
Basic stats: COMPLETE Column stats: NONE
                                 Select Operator
                                   expressions: _col0 (type: string), _col1 
(type: string), _col2 (type: string), _col3 (type: string), _col6 (type: 
string), _col4 (type: string), _col5 (type: string)
                                   outputColumnNames: _col0, _col1, _col2, 
_col3, _col4, _col5, _col6
-                                  Statistics: Num rows: 5656 Data size: 
2967022 Basic stats: COMPLETE Column stats: NONE
+                                  Statistics: Num rows: 564 Data size: 297262 
Basic stats: COMPLETE Column stats: NONE
                                   Map Join Operator
                                     condition map:
                                          Inner Join 0 to 1
@@ -1219,11 +1219,11 @@ STAGE PLANS:
                                     outputColumnNames: _col0, _col1, _col2, 
_col3, _col4, _col5, _col6, _col7
                                     input vertices:
                                       1 Map 6
-                                    Statistics: Num rows: 6221 Data size: 
3263724 Basic stats: COMPLETE Column stats: NONE
+                                    Statistics: Num rows: 620 Data size: 
326988 Basic stats: COMPLETE Column stats: NONE
                                     Select Operator
                                       expressions: hash(_col0) (type: int), 
hash(_col1) (type: int), hash(_col2) (type: int), hash(_col3) (type: int), 
hash(_col4) (type: int), hash(_col7) (type: int), hash(_col5) (type: int), 
hash(_col6) (type: int)
                                       outputColumnNames: _col0, _col1, _col2, 
_col3, _col4, _col5, _col6, _col7
-                                      Statistics: Num rows: 6221 Data size: 
3263724 Basic stats: COMPLETE Column stats: NONE
+                                      Statistics: Num rows: 620 Data size: 
326988 Basic stats: COMPLETE Column stats: NONE
                                       Group By Operator
                                         aggregations: sum(_col0), sum(_col1), 
sum(_col2), sum(_col3), sum(_col4), sum(_col5), sum(_col6), sum(_col7)
                                         mode: hash
@@ -1233,7 +1233,7 @@ STAGE PLANS:
                                           sort order: 
                                           Statistics: Num rows: 1 Data size: 
64 Basic stats: COMPLETE Column stats: NONE
                                           value expressions: _col0 (type: 
bigint), _col1 (type: bigint), _col2 (type: bigint), _col3 (type: bigint), 
_col4 (type: bigint), _col5 (type: bigint), _col6 (type: bigint), _col7 (type: 
bigint)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 3 
             Map Operator Tree:
@@ -1252,7 +1252,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 4 
             Map Operator Tree:
@@ -1272,7 +1272,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col1 (type: string)
                         Statistics: Num rows: 10 Data size: 3680 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 5 
             Map Operator Tree:
@@ -1291,7 +1291,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 6 
             Map Operator Tree:
@@ -1310,10 +1310,10 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), sum(VALUE._col3), sum(VALUE._col4), sum(VALUE._col5), 
sum(VALUE._col6), sum(VALUE._col7)
@@ -1498,21 +1498,21 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 2622552 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 262752 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key1 is not null and key2 is not null and 
value is not null) (type: boolean)
-                    Statistics: Num rows: 4250 Data size: 2229169 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key1 (type: string), key2 (type: string), 
value (type: string)
                       outputColumnNames: _col0, _col1, _col2
-                      Statistics: Num rows: 4250 Data size: 2229169 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 4250 Data size: 2229169 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 425 Data size: 223339 Basic 
stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string), _col2 (type: 
string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 10 
             Map Operator Tree:
@@ -1531,7 +1531,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 7 
             Map Operator Tree:
@@ -1550,7 +1550,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 8 
             Map Operator Tree:
@@ -1570,7 +1570,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col1 (type: string)
                         Statistics: Num rows: 10 Data size: 3680 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 9 
             Map Operator Tree:
@@ -1589,7 +1589,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
             Execution mode: llap
@@ -1601,16 +1601,16 @@ STAGE PLANS:
                   0 _col0 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3
-                Statistics: Num rows: 4675 Data size: 2452085 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 467 Data size: 245672 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: string), 
_col3 (type: string), _col2 (type: string)
                   outputColumnNames: _col0, _col1, _col2, _col3
-                  Statistics: Num rows: 4675 Data size: 2452085 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 467 Data size: 245672 Basic stats: 
COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col3 (type: string)
                     sort order: +
                     Map-reduce partition columns: _col3 (type: string)
-                    Statistics: Num rows: 4675 Data size: 2452085 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 467 Data size: 245672 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col0 (type: string), _col1 (type: 
string), _col2 (type: string)
         Reducer 3 
             Execution mode: llap
@@ -1622,16 +1622,16 @@ STAGE PLANS:
                   0 _col3 (type: string)
                   1 _col1 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 5142 Data size: 2697293 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 513 Data size: 270239 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: string), 
_col2 (type: string), _col5 (type: string), _col3 (type: string), _col4 (type: 
string)
                   outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 5142 Data size: 2697293 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 513 Data size: 270239 Basic stats: 
COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col1 (type: string)
                     sort order: +
                     Map-reduce partition columns: _col1 (type: string)
-                    Statistics: Num rows: 5142 Data size: 2697293 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 513 Data size: 270239 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col0 (type: string), _col2 (type: 
string), _col3 (type: string), _col4 (type: string), _col5 (type: string)
         Reducer 4 
             Execution mode: llap
@@ -1643,16 +1643,16 @@ STAGE PLANS:
                   0 _col1 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6
-                Statistics: Num rows: 5656 Data size: 2967022 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 564 Data size: 297262 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: string), 
_col2 (type: string), _col3 (type: string), _col6 (type: string), _col4 (type: 
string), _col5 (type: string)
                   outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6
-                  Statistics: Num rows: 5656 Data size: 2967022 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 564 Data size: 297262 Basic stats: 
COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col2 (type: string)
                     sort order: +
                     Map-reduce partition columns: _col2 (type: string)
-                    Statistics: Num rows: 5656 Data size: 2967022 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 564 Data size: 297262 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col0 (type: string), _col1 (type: 
string), _col3 (type: string), _col4 (type: string), _col5 (type: string), 
_col6 (type: string)
         Reducer 5 
             Execution mode: llap
@@ -1664,11 +1664,11 @@ STAGE PLANS:
                   0 _col2 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6, _col7
-                Statistics: Num rows: 6221 Data size: 3263724 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 620 Data size: 326988 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: 
int), hash(_col2) (type: int), hash(_col3) (type: int), hash(_col4) (type: 
int), hash(_col7) (type: int), hash(_col5) (type: int), hash(_col6) (type: int)
                   outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6, _col7
-                  Statistics: Num rows: 6221 Data size: 3263724 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 620 Data size: 326988 Basic stats: 
COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1), sum(_col2), 
sum(_col3), sum(_col4), sum(_col5), sum(_col6), sum(_col7)
                     mode: hash
@@ -1679,7 +1679,7 @@ STAGE PLANS:
                       Statistics: Num rows: 1 Data size: 64 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col0 (type: bigint), _col1 (type: 
bigint), _col2 (type: bigint), _col3 (type: bigint), _col4 (type: bigint), 
_col5 (type: bigint), _col6 (type: bigint), _col7 (type: bigint)
         Reducer 6 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), sum(VALUE._col3), sum(VALUE._col4), sum(VALUE._col5), 
sum(VALUE._col6), sum(VALUE._col7)
@@ -1864,21 +1864,21 @@ STAGE PLANS:
             Map Operator Tree:
                 TableScan
                   alias: bigtbl
-                  Statistics: Num rows: 5000 Data size: 2622552 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 500 Data size: 262752 Basic stats: 
COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key1 is not null and key2 is not null and 
value is not null) (type: boolean)
-                    Statistics: Num rows: 4250 Data size: 2229169 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key1 (type: string), key2 (type: string), 
value (type: string)
                       outputColumnNames: _col0, _col1, _col2
-                      Statistics: Num rows: 4250 Data size: 2229169 Basic 
stats: COMPLETE Column stats: NONE
+                      Statistics: Num rows: 425 Data size: 223339 Basic stats: 
COMPLETE Column stats: NONE
                       Reduce Output Operator
                         key expressions: _col0 (type: string)
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 4250 Data size: 2229169 Basic 
stats: COMPLETE Column stats: NONE
+                        Statistics: Num rows: 425 Data size: 223339 Basic 
stats: COMPLETE Column stats: NONE
                         value expressions: _col1 (type: string), _col2 (type: 
string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 10 
             Map Operator Tree:
@@ -1897,7 +1897,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 7 
             Map Operator Tree:
@@ -1916,7 +1916,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 8 
             Map Operator Tree:
@@ -1936,7 +1936,7 @@ STAGE PLANS:
                         Map-reduce partition columns: _col1 (type: string)
                         Statistics: Num rows: 10 Data size: 3680 Basic stats: 
COMPLETE Column stats: NONE
                         value expressions: _col0 (type: string)
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Map 9 
             Map Operator Tree:
@@ -1955,7 +1955,7 @@ STAGE PLANS:
                         sort order: +
                         Map-reduce partition columns: _col0 (type: string)
                         Statistics: Num rows: 10 Data size: 1840 Basic stats: 
COMPLETE Column stats: NONE
-            Execution mode: llap
+            Execution mode: vectorized, llap
             LLAP IO: no inputs
         Reducer 2 
             Execution mode: llap
@@ -1967,16 +1967,16 @@ STAGE PLANS:
                   0 _col0 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3
-                Statistics: Num rows: 4675 Data size: 2452085 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 467 Data size: 245672 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: string), 
_col3 (type: string), _col2 (type: string)
                   outputColumnNames: _col0, _col1, _col2, _col3
-                  Statistics: Num rows: 4675 Data size: 2452085 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 467 Data size: 245672 Basic stats: 
COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col3 (type: string)
                     sort order: +
                     Map-reduce partition columns: _col3 (type: string)
-                    Statistics: Num rows: 4675 Data size: 2452085 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 467 Data size: 245672 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col0 (type: string), _col1 (type: 
string), _col2 (type: string)
         Reducer 3 
             Execution mode: llap
@@ -1988,16 +1988,16 @@ STAGE PLANS:
                   0 _col3 (type: string)
                   1 _col1 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 5142 Data size: 2697293 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 513 Data size: 270239 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: string), 
_col2 (type: string), _col5 (type: string), _col3 (type: string), _col4 (type: 
string)
                   outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 5142 Data size: 2697293 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 513 Data size: 270239 Basic stats: 
COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col1 (type: string)
                     sort order: +
                     Map-reduce partition columns: _col1 (type: string)
-                    Statistics: Num rows: 5142 Data size: 2697293 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 513 Data size: 270239 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col0 (type: string), _col2 (type: 
string), _col3 (type: string), _col4 (type: string), _col5 (type: string)
         Reducer 4 
             Execution mode: llap
@@ -2009,16 +2009,16 @@ STAGE PLANS:
                   0 _col1 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6
-                Statistics: Num rows: 5656 Data size: 2967022 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 564 Data size: 297262 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: _col0 (type: string), _col1 (type: string), 
_col2 (type: string), _col3 (type: string), _col6 (type: string), _col4 (type: 
string), _col5 (type: string)
                   outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6
-                  Statistics: Num rows: 5656 Data size: 2967022 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 564 Data size: 297262 Basic stats: 
COMPLETE Column stats: NONE
                   Reduce Output Operator
                     key expressions: _col2 (type: string)
                     sort order: +
                     Map-reduce partition columns: _col2 (type: string)
-                    Statistics: Num rows: 5656 Data size: 2967022 Basic stats: 
COMPLETE Column stats: NONE
+                    Statistics: Num rows: 564 Data size: 297262 Basic stats: 
COMPLETE Column stats: NONE
                     value expressions: _col0 (type: string), _col1 (type: 
string), _col3 (type: string), _col4 (type: string), _col5 (type: string), 
_col6 (type: string)
         Reducer 5 
             Execution mode: llap
@@ -2030,11 +2030,11 @@ STAGE PLANS:
                   0 _col2 (type: string)
                   1 _col0 (type: string)
                 outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6, _col7
-                Statistics: Num rows: 6221 Data size: 3263724 Basic stats: 
COMPLETE Column stats: NONE
+                Statistics: Num rows: 620 Data size: 326988 Basic stats: 
COMPLETE Column stats: NONE
                 Select Operator
                   expressions: hash(_col0) (type: int), hash(_col1) (type: 
int), hash(_col2) (type: int), hash(_col3) (type: int), hash(_col4) (type: 
int), hash(_col7) (type: int), hash(_col5) (type: int), hash(_col6) (type: int)
                   outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, 
_col6, _col7
-                  Statistics: Num rows: 6221 Data size: 3263724 Basic stats: 
COMPLETE Column stats: NONE
+                  Statistics: Num rows: 620 Data size: 326988 Basic stats: 
COMPLETE Column stats: NONE
                   Group By Operator
                     aggregations: sum(_col0), sum(_col1), sum(_col2), 
sum(_col3), sum(_col4), sum(_col5), sum(_col6), sum(_col7)
                     mode: hash
@@ -2045,7 +2045,7 @@ STAGE PLANS:
                       Statistics: Num rows: 1 Data size: 64 Basic stats: 
COMPLETE Column stats: NONE
                       value expressions: _col0 (type: bigint), _col1 (type: 
bigint), _col2 (type: bigint), _col3 (type: bigint), _col4 (type: bigint), 
_col5 (type: bigint), _col6 (type: bigint), _col7 (type: bigint)
         Reducer 6 
-            Execution mode: llap
+            Execution mode: vectorized, llap
             Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1), 
sum(VALUE._col2), sum(VALUE._col3), sum(VALUE._col4), sum(VALUE._col5), 
sum(VALUE._col6), sum(VALUE._col7)

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