Report Generated on 2017-11-03

Cluster Name: UNKNOWN
Lab Run Info: UNKNOWN
Impala Version:          impalad version 2.11.0-SNAPSHOT RELEASE ()
Baseline Impala Version: impalad version 2.11.0-SNAPSHOT RELEASE ()

+-------------------+-----------------------+---------+------------+------------+----------------+
| Workload          | File Format           | Avg (s) | Delta(Avg) | GeoMean(s) | Delta(GeoMean) |
+-------------------+-----------------------+---------+------------+------------+----------------+
| TPCH_NESTED(_300) | parquet / none / none | 28.49   | +1.67%     | 11.47      | +1.19%         |
+-------------------+-----------------------+---------+------------+------------+----------------+

+-------------------+----------+-----------------------+--------+-------------+------------+------------+----------------+-------------+-------+
| Workload          | Query    | File Format           | Avg(s) | Base Avg(s) | Delta(Avg) | StdDev(%)  | Base StdDev(%) | Num Clients | Iters |
+-------------------+----------+-----------------------+--------+-------------+------------+------------+----------------+-------------+-------+
| TPCH_NESTED(_300) | TPCH-Q17 | parquet / none / none | 76.69  | 70.28       |   +9.12%   |   5.28%    |   1.53%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q2  | parquet / none / none | 6.54   | 6.04        |   +8.21%   | * 13.06% * |   1.84%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q14 | parquet / none / none | 5.39   | 5.03        |   +7.18%   |   2.35%    |   2.67%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q15 | parquet / none / none | 4.85   | 4.66        |   +3.98%   |   0.17%    |   0.76%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q22 | parquet / none / none | 1.34   | 1.29        |   +3.97%   |   3.69%    |   0.14%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q12 | parquet / none / none | 5.20   | 5.02        |   +3.51%   |   0.04%    |   1.56%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q13 | parquet / none / none | 10.85  | 10.50       |   +3.33%   |   1.88%    |   0.49%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q6  | parquet / none / none | 1.92   | 1.87        |   +2.75%   |   0.49%    |   3.04%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q9  | parquet / none / none | 227.48 | 222.83      |   +2.09%   |   1.36%    |   0.21%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q3  | parquet / none / none | 5.84   | 5.79        |   +0.80%   |   1.35%    |   0.33%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q16 | parquet / none / none | 15.76  | 15.66       |   +0.66%   |   1.22%    |   0.69%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q7  | parquet / none / none | 53.14  | 52.79       |   +0.66%   |   0.33%    |   0.01%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q21 | parquet / none / none | 51.14  | 50.96       |   +0.36%   |   2.24%    |   0.55%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q1  | parquet / none / none | 14.28  | 14.26       |   +0.14%   |   0.31%    |   0.82%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q8  | parquet / none / none | 9.86   | 9.88        |   -0.21%   |   2.27%    |   0.46%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q4  | parquet / none / none | 5.02   | 5.05        |   -0.43%   |   2.46%    |   1.01%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q11 | parquet / none / none | 2.01   | 2.03        |   -0.94%   |   0.29%    |   1.37%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q10 | parquet / none / none | 9.43   | 9.56        |   -1.32%   |   2.42%    |   1.64%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q19 | parquet / none / none | 32.00  | 32.52       |   -1.58%   |   1.47%    |   0.51%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q18 | parquet / none / none | 72.18  | 73.67       |   -2.02%   |   0.33%    |   1.04%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q5  | parquet / none / none | 6.80   | 7.21        |   -5.72%   |   2.15%    |   2.91%        | 1           | 3     |
| TPCH_NESTED(_300) | TPCH-Q20 | parquet / none / none | 9.13   | 9.69        |   -5.76%   |   1.73%    |   0.98%        | 1           | 3     |
+-------------------+----------+-----------------------+--------+-------------+------------+------------+----------------+-------------+-------+

(V) Significant Variability: TPCH_NESTED(_300) TPCH-Q2 [parquet / none / none] (1.84% -> 13.06%)
+---------------------+------------+-----------+----------------+------------------+--------+---------+-----------+
| Operator            | % of Query | StdDev(%) | Base StdDev(%) | Delta(StdDev(%)) | #Hosts | #Rows   | Est #Rows |
+---------------------+------------+-----------+----------------+------------------+--------+---------+-----------+
| 34:MERGING-EXCHANGE | 28.21%     | 13.44%    | 4.79%          | +180.34%         | 1      | 100     | 100       |
| 33:EXCHANGE         | 20.46%     | 13.66%    | 0.30%          | +4491.49%        | 14     | 35.46M  | 11.84M    |
| 30:EXCHANGE         | 16.10%     | 14.66%    | 3.19%          | +359.71%         | 14     | 47.04M  | 11.84M    |
| 32:EXCHANGE         | 7.41%      | 12.78%    | 17.47%         | -26.82%          | 14     | 765.73K | 11.84M    |
+---------------------+------------+-----------+----------------+------------------+--------+---------+-----------+