https://github.com/wizardjedi/clickhouse-test
Yandex ClickHouse database test (clickhouse vs postgresql)
https://github.com/wizardjedi/clickhouse-test
clickhouse docker example postgresql test tutorial
Last synced: about 2 months ago
JSON representation
Yandex ClickHouse database test (clickhouse vs postgresql)
- Host: GitHub
- URL: https://github.com/wizardjedi/clickhouse-test
- Owner: wizardjedi
- Created: 2017-02-05T18:02:11.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2017-02-07T15:29:30.000Z (about 8 years ago)
- Last Synced: 2025-01-21T01:42:40.670Z (4 months ago)
- Topics: clickhouse, docker, example, postgresql, test, tutorial
- Language: Shell
- Size: 17.6 KB
- Stars: 2
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
Repository for testing Yandex ClickHouse database vs PostgreSQL
# Create containers and import schema to default database
```
$ ./prepare.sh
```
# Generate test data
```
$ composer update
$ php generate-data.php | bzip2 > data.sql.bz2
```
Change number of days of days, rounds or batch size
# Import data to clickhouse
```
$ bzcat data.sql.bz2 | ./ch.sh -n
```
# Import data to PostgreSQL
```
$ bzcat data.sql.bz2 | ./pg.sh
```
# Run consoles
Run console for ch in one window
```
$ ./clickhouse.sh
ClickHouse client version 1.1.54140.
Connecting to clickhouse-server:9000.
Connected to ClickHouse server version 1.1.54140.
:)
```
Run console for pg in other window
```
$ ./pg.sh
psql (9.4.8, server 9.5.1)
Type "help" for help.
postgres=#
```
Use `\timing` command for psql to turn on timings.
# Try queries
|query|ClickHouse|PostgreSQL|
|---|---|---|
|`select count(*) from statistics;`|0.01|0.264|
|`select count(distinct abonent) from statistics;`|0.051|1.586|
|`select count(*), count(distinct operator_id), count(distinct region_id), count(distinct abonent), count(distinct send_name_id) from statistics;`|0.111|6.595|
|`select count(*) from statistics where EventDate>'2016-05-05' and EventDate<'2016-07-05' and partner_id in (1,10,15,25,900);`|0.007|0.52|
| * ch:`select toMonth(EventDate), sum(sms_send_count), sum(sms_delivered_count) from statistics group by toMonth(EventDate);`|0.047|-|
| * pg:`select extract(month from EventDate), sum(sms_send_count), sum(sms_delivered_count) from statistics group by extract(month from EventDate);`|-|0.986|
|`select region_id, sum(sms_send_count) from statistics group by region_id order by count(*) limit 10;`|0.028|0.688|
|`select count(distinct abonent), region_id, count(*) from statistics group by region_id having count(*) > 5000 order by count(*) desc limit 10;`|0.133|3.613|