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+---
+title: TiDB TPC-H 50G Performance Test Report V2.1
+category: benchmark
+---
+
+# TiDB TPC-H 50G Performance Test Report V2.1
+
+## Test purpose
+
+This test aims to compare the performances of TiDB 2.0 and TiDB 2.1 in the OLAP scenario.
+
+> **Note**: Different test environments might lead to different test results.
+
+## Test environment
+
+### Machine information
+
+System information:
+
+| Machine IP      | Operation system              | Kernel version     | File system type |
+|--------------|------------------------|------------------------------|--------------|
+| 10.0.1.4     | CentOS 7.5.1804 64bit  | 3.10.0-862.3.3.el7.x86\_64   | ext4         |
+| 10.0.1.5     | CentOS 7.5.1804 64bit  | 3.10.0-862.3.3.el7.x86\_64   | ext4         |
+| 10.0.1.6     | CentOS 7.5.1804 64bit  | 3.10.0-862.3.3.el7.x86\_64   | ext4         |
+| 10.0.1.7     | CentOS 7.5.1804 64bit  | 3.10.0-862.3.3.el7.x86\_64   | ext4         |
+| 10.0.1.8     | CentOS 7.5.1804 64bit  | 3.10.0-862.3.3.el7.x86\_64   | ext4         |
+| 10.0.1.9     | CentOS 7.5.1804 64bit  | 3.10.0-862.3.3.el7.x86\_64   | ext4         |
+
+Hardware information:
+
+| Type       |  10.0.1.4                                            | 10.0.1.5, 10.0.1.6, 10.0.1.7, 10.0.1.8, 10.0.1.9     |
+|------------|------------------------------------------------------|------------------------------------------------------|
+| CPU        | 16 vCPUs, Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz   | 8 vCPUs, Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz    |
+| Memory       | 110G                                                 | 55G                                                  |
+| Disk       | 221G SSD                                             | 111G SSD                                             |
+| Network card       | 10 Gigabit Ethernet, 10000Mb/s                                  | 10 Gigabit Ethernet, 10000Mb/s                                  |
+
+### TPC-H
+
+[tidb-bench/tpch](https://github.com/pingcap/tidb-bench/tree/master/tpch)
+
+### Cluster topology
+
+| Machine IP   | Deployment Instance |
+|----------|------------|
+| 10.0.1.5 | TiKV \* 1  |
+| 10.0.1.6 | TiKV \* 1  |
+| 10.0.1.7 | TiKV \* 1  |
+| 10.0.1.8 | TiKV \* 1  |
+| 10.0.1.9 | TiKV \* 1  |
+| 10.0.1.4 | PD \* 1    |
+| 10.0.1.4 | TiDB \* 1  |
+
+### TiDB version information
+
+TiDB 2.0:
+
+| Component | Version      | Commit Hash                                |
+|--------|-------------|--------------------------------------------|
+| TiDB   | v2.0.7      | 29ec059cb3b7d14b6f52c2f219f94a89570162bc   |
+| TiKV   | v2.0.7      | d0b8cd7c7f62f06e7ef456837bd32a47da1ca4cd   |
+| PD     | v2.0.5      | b64716707b7279a4ae822be767085ff17b5f3fea   |
+
+TiDB 2.1:
+
+| Component | Version      | Commit Hash                                |
+|--------|-------------|--------------------------------------------|
+| TiDB   | v2.1.0-rc.2 | 16864f95b47f859ed6104555ccff0387abdc2429   |
+| TiKV   | v2.1.0-rc.2 | 8458ce53ebbd434c48baac6373fe0f0a43a54005   |
+| PD     | v2.1.0-rc.2 | 55db505e8f35e8ab4e00efd202beb27a8ecc40fb   |
+
+## Test result
+
+| Query ID  | TiDB 2.0       | TiDB 2.1       |
+|-----------|----------------|----------------|
+| 1         | 121.550595999s | 91.4755480289s |
+| 2         | 53.0638680458s | 23.1186130047s |
+| 3         | 75.7236940861s | 61.790802002s  |
+| 4         | 30.2647120953s | 26.3483440876s |
+| 6         | 51.4850790501s | 34.6432199478s |
+| 7         | 216.787364006s | 94.9856910706s |
+| 8         | 188.717588902s | 181.852752209s |
+| 9         | 546.438174009s | 414.462754965s |
+| 10        | 109.978317022s | 37.0369961262s |
+| 11        | 42.9398438931s | 37.6951580048s |
+| 12        | 60.455039978s  | 40.2236878872s |
+| 13        | 230.278712988s | 70.2887151241s |
+| 14        | 61.2673521042s | 35.8372960091s |
+| 16        | 30.2539310455s | 18.5897550583s |
+| 17        | 3200.70173788s | 263.095014811s |
+| 18        | 1035.59847498s | 296.360667944s |
+| 19        | 54.3732938766s | 40.4523630142s |
+| 20        | 105.094577074s | 53.2429068089s |
+| 21        | 389.883709908s | 361.034544945s |
+| 22        | 64.0494630337s | 65.7153418064s |
+
+![TPC-H Query Result](../media/tpch-query-result-v2.png)
+
+It should be noted that:
+
+- In the diagram above, the red bars represent the query results of Release 2.1 and the blue bars represent the query results of Release 2.0. The y-axis represents the processing time of queries in seconds, the shorter the faster.
+- The result of Query 15 is not displayed because VIEW is currently not supported in either TiDB 2.1 or 2.0.
+- The result of Query 5 is not displayed because no result is returned during a long period of time caused by the Join Order issue.
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