https://github.com/oleksiikraievyi/highload-sw-arch-hw-08

HW 8 for highload software architecture courses. https://prjctr.com/course/highload-software-architecture?gclid=EAIaIQobChMI7OOMjvf78wIVRjcYCh1axwtgEAAYASAAEgKm2_D_BwE
https://github.com/oleksiikraievyi/highload-sw-arch-hw-08

Last synced: 11 days ago
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HW 8 for highload software architecture courses. https://prjctr.com/course/highload-software-architecture?gclid=EAIaIQobChMI7OOMjvf78wIVRjcYCh1axwtgEAAYASAAEgKm2_D_BwE

• Host: GitHub
• URL: https://github.com/oleksiikraievyi/highload-sw-arch-hw-08
• Owner: oleksiikraievyi
• Created: 2021-11-26T11:17:49.000Z (about 3 years ago)
• Default Branch: master
• Last Pushed: 2021-11-26T21:39:46.000Z (about 3 years ago)
• Last Synced: 2024-06-20T05:13:25.657Z (7 months ago)
• Language: Shell
• Homepage:
• Size: 25.4 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# highload-sw-arch-hw-08

# Prerequisites

* docker

* linux + bash

# 1. Run MySQL with predefined innodb_flush_log_at_trx_commit in ./my-sql/mysql-config.cnf (default 0) + seed data + run queries with different indexes

```

./run.sh

```

# 2. Run cleanup script

```

./cleanup.sh

```

# Querying comparison

| Index | Query Type | Avg exec time  |

| ------------- |:-------------:| -----:|

| BTREE     | Exact Match | 3.5 ms  |

| BTREE     | Range | 14.5 ms |

| HASH  |  Exact Match | 3ms |

| HASH  |  Range | 32 ms |

| NO INDEX  | Exact Match | 2200 ms |

| NO INDEX  | Range | 3880 ms |

# Inserting comparison

| innodb_flush_log_at_trx_commit value | Inserting time  |

| ------------- |:-------------:|

| 0 | 65 sec |

| 1 | 90 sec |

| 2 | 51 sec |