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commit d6c1f9587519e92f1453771aede478730113b52c
Author: jiafeng.zhang <zhang...@gmail.com>
AuthorDate: Tue Nov 22 08:43:40 2022 +0800

    fix
---
 docs/benchmark/ssb.md  | 175 +++++++++++++++++++++++++------------------------
 docs/benchmark/tpch.md |  99 ++++++++++++++--------------
 2 files changed, 137 insertions(+), 137 deletions(-)

diff --git a/docs/benchmark/ssb.md b/docs/benchmark/ssb.md
index eeca264fb6c..d58db90664b 100644
--- a/docs/benchmark/ssb.md
+++ b/docs/benchmark/ssb.md
@@ -26,55 +26,51 @@ under the License.
 
 # Star Schema Benchmark
 
-[Star Schema Benchmark(SSB)](https://www.cs.umb.edu/~poneil/StarSchemaB.PDF) 
is a performance test set in a lightweight data warehouse scenario. Based on 
[TPC-H](http://www.tpc.org/tpch/), SSB provides a simplified version of the 
star schema dataset, which is mainly used to test the performance of 
multi-table association queries under the star schema. . In addition, the 
industry usually flattens SSB as a wide table model (hereinafter referred to 
as: SSB flat) to test the performance of t [...]
+[Star Schema Benchmark(SSB)](https://www.cs.umb.edu/~poneil/StarSchemaB.PDF) 
is a lightweight performance test set in the data warehouse scenario. SSB 
provides a simplified star schema data based on 
[TPC-H](http://www.tpc.org/tpch/), which is mainly used to test the performance 
of multi-table JOIN query under star schema.  In addition, the industry usually 
flattens SSB into a wide table model (Referred as: SSB flat) to test the 
performance of the query engine, refer to [Clickhouse](https [...]
 
 This document mainly introduces the performance of Doris on the SSB 100G test 
set.
 
-> Note 1: The standard test set including SSB is usually far from the actual 
business scenario, and some tests will perform parameter tuning for the test 
set. Therefore, the test results of the standard test set can only reflect the 
performance of the database in specific scenarios. Users are advised to conduct 
further testing with actual business data.
+> Note 1: The standard test set including SSB usually has a large gap with the 
actual business scenario, and some tests will perform parameter tuning for the 
test set. Therefore, the test results of the standard test set can only reflect 
the performance of the database in a specific scenario. It is recommended that 
users use actual business data for further testing.
 >
-> Note 2: The operations involved in this document are all performed in the 
Ubuntu Server 20.04 environment, and CentOS 7 can also be tested.
+> Note 2: The operations involved in this document are all performed in the 
Ubuntu Server 20.04 environment, and CentOS 7 as well.
 
-We conducted pairwise testing on 13 queries on the SSB standard test dataset 
based on Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 0.15.0 
RC04 versions.
+With 13 queries on the SSB standard test data set, we conducted a comparison 
test based on Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 versions.
 
-The overall performance improvement on SSB FlAT wide tables was nearly 4x on 
Apache Doris 1.2.0-rc01 compared to Apache Doris 1.1.3, and nearly 10x on 
Apache Doris 0.15.0 RC04.
+On the SSB flat wide table, the overall performance of Apache Doris 1.2.0-rc01 
has been improved by nearly 4 times compared with Apache Doris 1.1.3, and 
nearly 10 times compared with Apache Doris 0.15.0 RC04.
 
-![ssb_v11_v015_compare](/images/ssb_flat.png)
-
-On the standard SSB test SQL, Apache Doris 1.2.0-rc01 delivers an overall 
performance improvement of nearly 2X over Apache Doris 1.1.3 and nearly 31X 
over Apache Doris 0.15.0 RC04.
-
-![ssb_12_11_015](/images/ssb.png)
+On the SQL test with standard SSB, the overall performance of Apache Doris 
1.2.0-rc01 has been improved by nearly 2 times compared with Apache Doris 
1.1.3, and nearly 31 times compared with Apache Doris 0.15.0 RC04.
 
 ## 1. Hardware Environment
 
-| Number of machines | 4 Tencent Cloud hosts (1 FE, 3 BE)        |
+| Number of machines | 4 Tencent Cloud Hosts (1 FE, 3 BEs)        |
 | ------------------ | ----------------------------------------- |
-| CPU                | AMD EPYC™ Milan (2.55GHz/3.5GHz) 16 cores |
+| CPU                | AMD EPYC™ Milan (2.55GHz/3.5GHz) 16 Cores |
 | Memory             | 64G                                       |
 | Network Bandwidth  | 7Gbps                                     |
-| Disk               | High-performance cloud disk               |
+| Disk               | High-performance Cloud Disk               |
 
 ## 2. Software Environment
 
-- Doris deploys 3BE 1FE;
+- Doris deployed 3BEs and 1FE;
 - Kernel version: Linux version 5.4.0-96-generic (buildd@lgw01-amd64-051)
-- OS version: Ubuntu Server 20.04 LTS 64 bit
-- Doris software version:  Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 , 
Apache Doris 0.15.0 RC04
+- OS version: Ubuntu Server 20.04 LTS 64-bit
+- Doris software versions: Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and 
Apache Doris 0.15.0 RC04
 - JDK: openjdk version "11.0.14" 2022-01-18
 
-## 3. Test data volume
+## 3. Test Data Volume
 
-| SSB table name | number of rows | remarks                          |
+| SSB Table Name | Rows | Annotation                          |
 | :------------- | :------------- | :------------------------------- |
-| lineorder      | 600,037,902    | Commodity order list             |
-| customer       | 3,000,000      | Customer Information Sheet       |
-| part           | 1,400,000      | Parts Information Sheet          |
-| supplier       | 200,000        | Supplier Information Sheet       |
-| date           | 2,556          | Date table                       |
-| lineorder_flat | 600,037,902    | Wide table after data flattening |
+| lineorder      | 600,037,902    | Commodity Order Details             |
+| customer       | 3,000,000      | Customer Information        |
+| part           | 1,400,000      | Parts Information          |
+| supplier       | 200,000        | Supplier Information        |
+| date           | 2,556          | Date                        |
+| lineorder_flat | 600,037,902    | Wide Table after Data Flattening |
 
 ## 4. Test Results
 
-Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 versions for comparative testing, with the following results.
+We use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 0.15.0 
RC04 for comparative testing. The test results are as follows:
 
 | Query | Apache Doris 1.2.0-rc01(ms) | Apache Doris 1.1.3 (ms) |  Doris 
0.15.0 RC04 (ms) |
 | ----- | ------------- | ------------- | ----------------- |
@@ -82,60 +78,64 @@ Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and 
Apache Doris 0.15.0
 | Q1.2  | 10            | 10            | 30                |
 | Q1.3  | 30            | 70            | 120               |
 | Q2.1  | 90            | 360           | 900               |
-| Q2.2  | 90            | 340           | 1020              |
+| Q2.2  | 90            | 340           | 1,020              |
 | Q2.3  | 60            | 260           | 770               |
-| Q3.1  | 160           | 550           | 1710              |
+| Q3.1  | 160           | 550           | 1,710              |
 | Q3.2  | 80            | 290           | 670               |
 | Q3.3  | 90            | 240           | 550               |
 | Q3.4  | 20            | 20            | 30                |
-| Q4.1  | 140           | 480           | 1250              |
+| Q4.1  | 140           | 480           | 1,250              |
 | Q4.2  | 50            | 240           | 400               |
 | Q4.3  | 30            | 200           | 330               |
-| Total  | 880           | 3150          | 8030              |
+| Total  | 880           | 3,150          | 8,030              |
 
-**Interpretation of results**
+![ssb_v11_v015_compare](/images/ssb_flat.png)
+
+**Interpretation of Results**
 
 - The data set corresponding to the test results is scale 100, about 600 
million.
-- The test environment is configured to be commonly used by users, including 4 
cloud servers, 16-core 64G SSD, and 1 FE and 3 BE deployment.
-- Use common user configuration tests to reduce user selection and evaluation 
costs, but will not consume so many hardware resources during the entire test 
process.
+- The test environment is configured as the user's common configuration, with 
4 cloud servers, 16-core 64G SSD, and 1 FE, 3 BEs deployment.
+- We select the user's common configuration test to reduce the cost of user 
selection and evaluation, but the entire test process will not consume so many 
hardware resources.
 
 
-## 5. Standard SSB test results
+## 5. Standard SSB Test Results
 
-Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 versions for comparative testing, with the following results.
+Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 for comparative testing. In the test, we use Query Time(ms) as the 
main performance indicator. The test results are as follows:
 
 | Query | Apache Doris 1.2.0-rc01 (ms) | Apache Doris 1.1.3 (ms) | Doris 
0.15.0 RC04 (ms) |
 | ----- | ------- | ---------------------- | ------------------------------- |
 | Q1.1  | 40      | 18                    | 350                           |
 | Q1.2  | 30      | 100                    | 80                             |
 | Q1.3  | 20      | 70                     | 80                            |
-| Q2.1  | 350     | 940                  | 20680                     |
-| Q2.2  | 320     | 750                  | 18250                    |
-| Q2.3  | 300     | 720                  | 14760                   |
-| Q3.1  | 650     | 2150                 | 22190                   |
-| Q3.2  | 260     | 510                 | 8360                          |
-| Q3.3  | 220     | 450                  | 6200                        |
+| Q2.1  | 350     | 940                  | 20,680                     |
+| Q2.2  | 320     | 750                  | 18,250                    |
+| Q2.3  | 300     | 720                  | 14,760                   |
+| Q3.1  | 650     | 2,150                 | 22,190                   |
+| Q3.2  | 260     | 510                 | 8,360                          |
+| Q3.3  | 220     | 450                  | 6,200                        |
 | Q3.4  | 60      | 70                   | 160                            |
-| Q4.1  | 840     | 1480                   | 24320                      |
-| Q4.2  | 460     | 560                 | 6310                          |
-| Q4.3  | 610     | 660                  | 10170                    |
-| Total  | 4160    | 8478                | 131910 |
+| Q4.1  | 840     | 1,480                   | 24,320                      |
+| Q4.2  | 460     | 560                 | 6,310                          |
+| Q4.3  | 610     | 660                  | 10,170                    |
+| Total  | 4,160    | 8,478                | 131,910 |
+
+![ssb_12_11_015](/images/ssb.png)
 
-**Interpretation of results**
+**Interpretation of Results**
 
 - The data set corresponding to the test results is scale 100, about 600 
million.
-- The test environment is configured to be commonly used by users, including 4 
cloud servers, 16-core 64G SSD, and 1 FE and 3 BE deployment.
-- Use common user configuration tests to reduce user selection and evaluation 
costs, but will not consume so many hardware resources during the entire test 
process.
+- The test environment is configured as the user's common configuration, with 
4 cloud servers, 16-core 64G SSD, and 1 FE 3 BEs deployment.
+- We select the user's common configuration test to reduce the cost of user 
selection and evaluation, but the entire test process will not consume so many 
hardware resources.
 
 ## 6. Environment Preparation
 
-Please first refer to the [official documentation](. 
/install/install-deploy.md) for Apache Doris installation and deployment to get 
a working Doris cluster (at least 1 FE 1 BE, 1 FE 3 BE recommended).
+Please first refer to the [official documentation](. 
/install/install-deploy.md) to install and deploy Apache Doris first to obtain 
a Doris cluster which is working well(including at least 1 FE 1 BE, 1 FE 3 BEs 
is recommended).
 
-The scripts covered in the following documentation are stored in the Apache 
Doris codebase: 
[ssb-tools](https://github.com/apache/doris/tree/master/tools/ssb-tools)
+The scripts mentioned in the following documents are stored in the Apache 
Doris codebase: 
[ssb-tools](https://github.com/apache/doris/tree/master/tools/ssb-tools)
 
 ## 7. Data Preparation
 
-### 7.1 Download and install the SSB data generation tool.
+### 7.1 Download and Install the SSB Data Generation Tool.
 
 Execute the following script to download and compile the 
[ssb-dbgen](https://github.com/electrum/ssb-dbgen.git) tool.
 
@@ -143,9 +143,9 @@ Execute the following script to download and compile the 
[ssb-dbgen](https://git
 sh build-ssb-dbgen.sh
 ````
 
-After successful installation, the `dbgen` binary will be generated in the 
`ssb-dbgen/` directory.
+After successful installation, the `dbgen` binary will be generated under the 
`ssb-dbgen/` directory.
 
-### 7.2 Generate SSB test set
+### 7.2 Generate SSB Test Set
 
 Execute the following script to generate the SSB dataset:
 
@@ -153,31 +153,31 @@ Execute the following script to generate the SSB dataset:
 sh gen-ssb-data.sh -s 100 -c 100
 ````
 
-> Note 1: See script help with `sh gen-ssb-data.sh -h`.
+> Note 1: Check the script help via `sh gen-ssb-data.sh -h`.
 >
-> Note 2: The data will be generated in the `ssb-data/` directory with the 
suffix `.tbl`. The total file size is about 60GB. The generation time may vary 
from a few minutes to an hour.
+> Note 2: The data will be generated under the `ssb-data/` directory with the 
suffix `.tbl`. The total file size is about 60GB and may need a few minutes to 
an hour to generate.
 >
-> Note 3: `-s 100` indicates that the test set size factor is 100, `-c 100` 
indicates that 100 concurrent threads generate data for the lineorder table. 
The `-c` parameter also determines the number of files in the final lineorder 
table. The larger the parameter, the larger the number of files and the smaller 
each file.
+> Note 3: `-s 100` indicates that the test set size factor is 100, `-c 100` 
indicates that 100 concurrent threads generate the data of the lineorder table. 
The `-c` parameter also determines the number of files in the final lineorder 
table. The larger the parameter, the larger the number of files and the smaller 
each file.
 
 With the `-s 100` parameter, the resulting dataset size is:
 
 | Table     | Rows             | Size | File Number |
 | --------- | ---------------- | ---- | ----------- |
-| lineorder | 6亿(600037902) | 60GB | 100         |
-| customer  | 300万(3000000) | 277M | 1           |
-| part      | 140万(1400000) | 116M | 1           |
-| supplier  | 20万(200000)   | 17M  | 1           |
-| date      | 2556             | 228K | 1           |
+| lineorder | 600,037,902 | 60GB | 100         |
+| customer  | 3,000,000 | 277M | 1           |
+| part      | 1,400,000 | 116M | 1           |
+| supplier  | 200,000   | 17M  | 1           |
+| date      | 2,556             | 228K | 1           |
 
-### 7.3 Create table
+### 7.3 Create Table
 
-#### 7.3.1 Prepare the `doris-cluster.conf` file.
+#### 7.3.1 Prepare the `doris-cluster.conf` File.
 
-Before calling the import script, you need to write the FE's ip port and other 
information in the `doris-cluster.conf` file.
+Before import the script, you need to write the FE’s ip port and other 
information in the `doris-cluster.conf` file.
 
-File location and `load-ssb-dimension-data.sh` level.
+The file location is at the same level as `load-ssb-dimension-data.sh`.
 
-The contents of the file include FE's ip, HTTP port, user name, password and 
the DB name of the data to be imported:
+The content of the file includes FE's ip, HTTP port, user name, password and 
the DB name of the data to be imported:
 
 ```shell
 export FE_HOST="xxx"
@@ -186,17 +186,17 @@ export FE_QUERY_PORT="9030"
 export USER="root"
 export PASSWORD='xxx'
 export DB="ssb"
-````
+```
 
-#### 7.3.2 Execute the following script to generate and create the SSB table:
+#### 7.3.2 Execute the Following Script to Generate and Create the SSB Table:
 
 ```shell
 sh create-ssb-tables.sh
 ````
 
-Or copy 
[create-ssb-tables.sql](https://github.com/apache/incubator-doris/tree/master/tools/ssb-tools/ddl/create-ssb-tables.sql)
 and [ 
create-ssb-flat-table.sql](https://github.com/apache/incubator-doris/tree/master/tools/ssb-tools/ddl/create-ssb-flat-table.sql)
 of the The create table statements are executed in the MySQL client.
+Or copy the table creation statements in 
[create-ssb-tables.sql](https://github.com/apache/incubator-doris/tree/master/tools/ssb-tools/ddl/create-ssb-tables.sql)
 and [ 
create-ssb-flat-table.sql](https://github.com/apache/incubator-doris/tree/master/tools/ssb-tools/ddl/create-ssb-flat-table.sql)
 and then execute them in the MySQL client.
 
-The following is the `lineorder_flat` table build statement. The 
`lineorder_flat` table is created in the `create-ssb-flat-table.sh` script 
above with the default number of buckets (48 buckets). You can delete this 
table and tune this bucketing number according to your cluster size node 
configuration to get better one test results.
+The following is the `lineorder_flat` table build statement. Create the 
`lineorder_flat` table in the above `create-ssb-flat-table.sh` script, and 
perform the default number of buckets (48 buckets). You can delete this table 
and adjust the number of buckets according to your cluster scale node 
configuration, so as to obtain a better test result.
 
 ```sql
 CREATE TABLE `lineorder_flat` (
@@ -260,21 +260,22 @@ PROPERTIES (
 
 ### 7.4 Import data
 
-We use the following command to complete the import of all data from SSB test 
set and SSB FLAT wide table data synthesis and import into the table.
+We use the following command to complete all data import of SSB test set and 
SSB FLAT wide table data synthesis and then import into the table.
 
 ```shell
  sh bin/load-ssb-data.sh -c 10
 ```
 
-`-c 5` means start 10 concurrent threads for import (default is 5). In the 
single BE node case, the lineorder data generated by `sh gen-ssb-data.sh -s 100 
-c 100` will also generate the data of the ssb-flat table at the end, if more 
threads are started, it can speed up the import, but it will add extra memory 
overhead.
+`-c 5` means start 10 concurrent threads to import (5 by default). In the case 
of a single BE node, the lineorder data generated by `sh gen-ssb-data.sh -s 100 
-c 100` will also generate the data of the ssb-flat table in the end. If more 
threads are enabled, the import speed can be accelerated. But it will cost 
extra memory.
 
 > Notes.
 >
-> 1. This configuration indicates the number of write threads per data 
directory, and the default is 2. Larger data can improve write data throughput, 
but may increase IO Util. (Reference value: 1 mechanical disk, at default is 2, 
the IO Util during import is about 12%, and when set to 5, the IO Util is about 
26%. (In case of SSD disks, it is almost 0).
-> 
-> 2. flat table data using 'INSERT INTO ... SELECT ... ' method to import.
+> 1. To get faster import speed, you can add `flush_thread_num_per_store=5` in 
be.conf and then restart BE. This configuration indicates the number of disk 
writing threads for each data directory, 2 by default. Larger data can improve 
write data throughput, but may increase IO Util. (Reference value: 1 mechanical 
disk, with 2 by default, the IO Util during the import process is about 12%. 
When it is set to 5, the IO Util is about 26%. If it is an SSD disk, it is 
almost 0%) .
+>
+> 2. The flat table data is imported by 'INSERT INTO ... SELECT ... '.
+
+### 7.5 Checking Imported data
 
-### 7.5 Check imported data
 
 ```sql
 select count(*) from part;
@@ -285,20 +286,23 @@ select count(*) from lineorder;
 select count(*) from lineorder_flat;
 ```
 
-The amount of data should be the same as the number of rows that generate the 
data.
+The amount of data should be consistent with the number of rows of generated 
data.
 
 | Table          | Rows             | Origin Size | Compacted Size(1 Replica) |
 | -------------- | ---------------- | ----------- | ------------------------- |
-| lineorder_flat | 6亿(600037902) |             | 59.709 GB                 |
-| lineorder      | 6亿(600037902) | 60 GB       | 14.514 GB                 |
-| customer       | 300万(3000000) | 277 MB      | 138.247 MB                |
-| part           | 140万(1400000) | 116 MB      | 12.759 MB                 |
-| supplier       | 20万(200000)   | 17 MB       | 9.143 MB                  |
-| date           | 2556             | 228 KB      | 34.276 KB                 |
+| lineorder_flat | 600,037,902 |             | 59.709 GB                 |
+| lineorder      | 600,037,902 | 60 GB       | 14.514 GB                 |
+| customer       | 3,000,000 | 277 MB      | 138.247 MB                |
+| part           | 1,400,000 | 116 MB      | 12.759 MB                 |
+| supplier       | 200,000   | 17 MB       | 9.143 MB                  |
+| date           | 2,556             | 228 KB      | 34.276 KB                 
|
+
+### 7.6 Query Test
 
-### 7.6 Query test
+- SSB-Flat Query Statement: [ 
ssb-flat-queries](https://github.com/apache/doris/tree/master/tools/ssb-tools/ssb-flat-queries)
+- Standard SSB Queries: [ 
ssb-queries](https://github.com/apache/doris/tree/master/tools/ssb-tools/ssb-queries)
 
-#### 7.6.1 SSB FLAT Test SQL
+#### 7.6.1 SSB FLAT Test for SQL
 
 ```sql
 --Q1.1
@@ -385,7 +389,7 @@ GROUP BY YEAR, S_CITY, P_BRAND
 ORDER BY YEAR ASC, S_CITY ASC, P_BRAND ASC;
 ```
 
-#### 7.6.2 SSB Standard Test SQL
+#### 7.6.2 SSB Standard Test for SQL
 
 ```SQL
 --Q1.1
@@ -601,4 +605,3 @@ WHERE
 GROUP BY d_year, s_city, p_brand
 ORDER BY d_year, s_city, p_brand;
 ```
-
diff --git a/docs/benchmark/tpch.md b/docs/benchmark/tpch.md
index 06eea56247f..c7d679f94ac 100644
--- a/docs/benchmark/tpch.md
+++ b/docs/benchmark/tpch.md
@@ -24,52 +24,50 @@ specific language governing permissions and limitations
 under the License.
 -->
 
-# TPC-H benchmark
+# TPC-H Benchmark
 
-TPC-H is a Decision Support Benchmark consisting of a set of business-oriented 
ad hoc queries and concurrent data modifications. The data that queries and 
populates the database has broad industry relevance. This benchmark 
demonstrates a decision support system that examines large amounts of data, 
executes highly complex queries, and answers critical business questions. The 
performance metric reported by TPC-H is called the TPC-H Hourly Compound Query 
Performance Metric (QphH@Size) and r [...]
+TPC-H is a decision support benchmark (Decision Support Benchmark), which 
consists of a set of business-oriented special query and concurrent data 
modification. The data that is queried and populates the database has broad 
industry relevance. This benchmark demonstrates a decision support system that 
examines large amounts of data, executes highly complex queries, and answers 
key business questions. The performance index reported by TPC-H is called TPC-H 
composite query performance index [...]
 
-This document mainly introduces the performance of Doris on the TPC-H test set.
+This document mainly introduces the performance of Doris on the TPC-H 100G 
test set.
 
-> Note 1: Standard test sets including TPC-H are usually far from actual 
business scenarios, and some tests will perform parameter tuning for the test 
set. Therefore, the test results of the standard test set can only reflect the 
performance of the database in specific scenarios. Users are advised to conduct 
further testing with actual business data.
+> Note 1: The standard test set including TPC-H is usually far from the actual 
business scenario, and some tests will perform parameter tuning for the test 
set. Therefore, the test results of the standard test set can only reflect the 
performance of the database in a specific scenario. We suggest users use actual 
business data for further testing.
 >
-> Note 2: The operations covered in this document are tested on CentOS 7.x.
+> Note 2: The operations involved in this document are all tested on CentOS 
7.x.
 
-On 22 queries on the TPC-H standard test dataset, we conducted pairwise tests 
based on Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 0.15.0 
RC04 versions. The overall performance of Apache Doris 1.2.0-rc01 is nearly 3 
times better than that of Apache Doris 1.1.3 and nearly 11 times better than 
that of Apache Doris 0.15.0 RC04.
-
-![image-20220614114351241](/images/tpch.png)
+On 22 queries on the TPC-H standard test data set, we conducted a comparison 
test based on Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 versions. Compared with Apache Doris 1.1.3, the overall performance 
of Apache Doris 1.2.0-rc01 has been improved by nearly 3 times, and by nearly 
11 times compared with Apache Doris 0.15.0 RC04.
 
 ## 1. Hardware Environment
 
 | Hardware           | Configuration Instructions                              
     |
 | -------- | ------------------------------------ |
-| number of machines | 4 Alibaba Cloud hosts (1 FE, 3 BE) |
+| Number of mMachines | 4 Tencent Cloud Virtual Machine(1FE,3BEs) |
 | CPU      | Intel Xeon(Cascade Lake) Platinum 8269CY  16C  (2.5 GHz/3.2 GHz) |
 | Memory | 64G                                  |
 | Network | 5Gbps                              |
-| Disk   | ESSD cloud hard disk  |
+| Disk   | ESSD Cloud Hard Disk  |
 
 ## 2. Software Environment
 
-- Doris deploys 3BE 1FE;
-- Kernel version: Linux version 5.4.0-96-generic (buildd@lgw01-amd64-051)
+- Doris Deployed 3BEs and 1FE
+- Kernel Version: Linux version 5.4.0-96-generic (buildd@lgw01-amd64-051)
 - OS version: CentOS 7.8
 - Doris software version: Apache Doris 1.2.0-rc01、 Apache Doris 1.1.3 、 Apache 
Doris 0.15.0 RC04
 - JDK: openjdk version "11.0.14" 2022-01-18
 
 ## 3. Test Data Volume
 
-The entire test simulation generates 100G of data and is imported into Apache 
Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 0.15.0 RC04   versions 
for testing. The following is the relevant description of the table and the 
amount of data.
+The TPCH 100G data generated by the simulation of the entire test are 
respectively imported into Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and 
Apache Doris 0.15.0 RC04 for testing. The following is the relevant description 
and data volume of the table.
 
-| TPC-H Table Name | Rows        | data size  | remark |
+| TPC-H Table Name | Rows        | Size after Import  | Annotation |
 | :--------------- | :---------- | ---------- | :----- |
-| REGION           | 5           | 400KB      |        |
-| NATION           | 25          | 7.714 KB   |        |
-| SUPPLIER         | 100 million | 85.528 MB  |        |
-| PART             | 20 million  | 752.330 MB |        |
-| PARTSUPP         | 80 million  | 4.375 GB   |        |
-| CUSTOMER         | 15 million  | 1.317 GB   |        |
-| ORDERS           | 1.5 billion | 6.301 GB   |        |
-| LINEITEM         | 6 billion   | 20.882 GB  |        |
+| REGION           | 5           | 400KB      | Region       |
+| NATION           | 25          | 7.714 KB   | Nation       |
+| SUPPLIER         | 1,000,000 | 85.528 MB  | Supplier       |
+| PART             | 20,000,000  | 752.330 MB | Parts       |
+| PARTSUPP         | 20,000,000  | 4.375 GB   | Parts Supply       |
+| CUSTOMER         | 15,000,000  | 1.317 GB   | Customer        |
+| ORDERS           | 1,500,000,000 | 6.301 GB   | Orders        |
+| LINEITEM         | 6,000,000,000   | 20.882 GB  | Order Details       |
 
 ## 4. Test SQL
 
@@ -77,7 +75,7 @@ TPCH 22 test query statements : 
[TPCH-Query-SQL](https://github.com/apache/inc
 
 **Notice:**
 
-The following four parameters in the above SQL are not present in Apache Doris 
0.15.0 RC04 and are removed during execution.
+The following four parameters in the above SQL do not exist in Apache Doris 
0.15.0 RC04. When executing, please remove:
 
 ```
 1. enable_vectorized_engine=true,
@@ -86,11 +84,11 @@ The following four parameters in the above SQL are not 
present in Apache Doris 0
 4. enable_projection=true
 ```
 
-## 5. Test Result
+## 5. Test Results
 
-Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 versions for comparison tests with the following results.
+Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 and Apache Doris 
0.15.0 RC04 for comparative testing. In the test, we use Query Time(ms) as the 
main performance indicator. The test results are as follows:
 
-| Query    | Apache Doris 1.2.0-rc01 (s) | Apache Doris 1.1.3 (s) | Apache 
Doris 0.15.0 RC04 (s) |
+| Query    | Apache Doris 1.2.0-rc01 (ms) | Apache Doris 1.1.3 (ms) | Apache 
Doris 0.15.0 RC04 (ms) |
 | -------- | --------------------------- | ---------------------- | 
---------------------------- |
 | Q1       | 2.12                        | 3.75                   | 28.63      
                  |
 | Q2       | 0.20                        | 4.22                   | 7.88       
                  |
@@ -116,11 +114,13 @@ Here we use Apache Doris 1.2.0-rc01, Apache Doris 1.1.3 
and Apache Doris 0.15.0
 | Q22      | 0.46                        | 0.9                    | 3.22       
                  |
 | **Total** | **19.64**                   | **51.253**             | 
**223.33**                   |
 
-- **Result description**
-  - The data set corresponding to the test results is scale 100, about 600 
million.
-  - The test environment is configured to be commonly used by users, including 
4 cloud servers, 16-core 64G SSD, and 1 FE and 3 BE deployment.
-  - Use common user configuration tests to reduce user selection and 
evaluation costs, but will not consume so many hardware resources during the 
entire test process.
-  - Apache Doris 0.15 RC04 Q14 execution failed in TPC-H test, unable to 
complete query.
+![image-20220614114351241](/images/tpch.png)
+
+- **Result Description**
+    - The data set corresponding to the test results is scale 100, about 600 
million.
+    - The test environment is configured as the user's common configuration, 
with 4 cloud servers, 16-core 64G SSD, and 1 FE 3 BEs deployment.
+    - Select the user's common configuration test to reduce the cost of user 
selection and evaluation, but the entire test process will not consume so many 
hardware resources.
+    - Apache Doris 0.15 RC04 failed to execute Q14 in the TPC-H test, unable 
to complete the query.
 
 ## 6. Environmental Preparation
 
@@ -128,7 +128,7 @@ Please refer to the [official 
document](../install/install-deploy.md) to install
 
 ## 7. Data Preparation
 
-### 7.1 Download and install the TPC-H data generation tool
+### 7.1 Download and Install TPC-H Data Generation Tool
 
 Execute the following script to download and compile the 
[tpch-tools](https://github.com/apache/incubator-doris/tree/master/tools/tpch-tools)
 tool.
 
@@ -136,9 +136,9 @@ Execute the following script to download and compile the 
[tpch-tools](https://gi
 sh build-tpch-dbgen.sh
 ```
 
-After successful installation, the `dbgen` binary will be generated in the 
`TPC-H_Tools_v3.0.0/` directory.
+After successful installation, the `dbgen` binary will be generated under the 
`TPC-H_Tools_v3.0.0/` directory.
 
-### 7.2 Generate TPC-H test set
+### 7.2 Generating the TPC-H Test Set
 
 Execute the following script to generate the TPC-H dataset:
 
@@ -146,21 +146,21 @@ Execute the following script to generate the TPC-H 
dataset:
 sh gen-tpch-data.sh
 ```
 
-> Note 1: View script help via `sh gen-tpch-data.sh -h`.
+> Note 1: Check the script help via `sh gen-tpch-data.sh -h`.
 >
-> Note 2: The data will be generated in the `tpch-data/` directory with the 
suffix `.tbl`. The total file size is about 100GB. The generation time may vary 
from a few minutes to an hour.
+> Note 2: The data will be generated under the `tpch-data/` directory with the 
suffix `.tbl`. The total file size is about 100GB and may need a few minutes to 
an hour to generate.
 >
-> Note 3: The standard test data set of 100G is generated by default
+> Note 3: A standard test data set of 100G is generated by default.
 
 ### 7.3 Create Table
 
-#### 7.3.1 Prepare the `doris-cluster.conf` file
+#### 7.3.1 Prepare the `doris-cluster.conf` File
 
-Before calling the import script, you need to write the FE's ip port and other 
information in the `doris-cluster.conf` file.
+Before import the script, you need to write the FE’s ip port and other 
information in the `doris-cluster.conf` file.
 
-File location and `load-tpch-data.sh` level.
+The file location is at the same level as `load-tpch-data.sh`.
 
-The contents of the file include FE's ip, HTTP port, user name, password and 
the DB name of the data to be imported:
+The content of the file includes FE's ip, HTTP port, user name, password and 
the DB name of the data to be imported:
 
 ```shell
 # Any of FE host
@@ -177,17 +177,17 @@ export PASSWORD=''
 export DB='tpch1'
 ```
 
-#### 7.3.2 Execute the following script to generate and create the TPC-H table
+#### Execute the Following Script to Generate and Create TPC-H Table
 
 ```shell
 sh create-tpch-tables.sh
 ```
-Or copy the table creation statement in 
[create-tpch-tables.sql](https://github.com/apache/incubator-doris/blob/master/tools/tpch-tools/create-tpch-tables.sql),
 Execute in Doris.
+Or copy the table creation statement in 
[create-tpch-tables.sql](https://github.com/apache/incubator-doris/blob/master/tools/tpch-tools/create-tpch-tables.sql)
 and excute it in Doris.
 
 
-### 7.4 导入数据
+### 7.4 Import Data
 
-通过下面的命令执行数据导入:
+Please perform data import with the following command:
 
 ```shell
 sh ./load-tpch-data.sh
@@ -221,14 +221,14 @@ Execute the above test SQL or execute the following 
command
 
 >Notice:
 >
->1. At present, the query optimizer and statistics functions of Doris are not 
perfect, so we rewrite some queries in TPC-H to adapt to the execution 
framework of Doris, but it does not affect the correctness of the results
+>1. At present, the query optimizer and statistics functions of Doris are not 
so perfect, so we rewrite some queries in TPC-H to adapt to the execution 
framework of Doris, but it does not affect the correctness of the results
 >
->2. Doris' new query optimizer will be released in subsequent versions
+>2. Doris' new query optimizer will be released in future versions
 >3. Set `set mem_exec_limit=8G` before executing the query
 
 #### 7.6.2 Single SQL Execution
 
-The following is the SQL statement used in the test, you can also get the 
latest SQL from the code base. Latest test query statement address: [TPC-H test 
statement](https://github.com/apache/doris/tree master/tools/tpch-tools/query)
+The following is the SQL statement used in the test, you can also get the 
latest SQL from the code base.
 
 ```SQL
 --Q1
@@ -876,6 +876,3 @@ group by
 order by
     cntrycode;
 ```
-
-
-


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