Nukker7 / clickhouse-bulk

Collects many small insterts to ClickHouse and send in big inserts

ClickHouse-Bulk

Simple Yandex ClickHouse insert collector. It collect requests and send to ClickHouse servers.

Installation

From sources:

git clone github.com/nikepan/clickhouse-bulk
cd clickhouse-bulk
go get
go build

You can download linux-64 binary clickhouse-bulk-linux_64.tgz

Features

• Group n requests and send to any of ClickHouse server
• Sending collected data by interval
• Tested with VALUES, TabSeparated formats
• Supports many servers to send
• Supports query in query parameters and in body
• Supports other query parameters like username, password, database
• Supports basic authentication

For example:

INSERT INTO table3 (c1, c2, c3) VALUES ('v1', 'v2', 'v3')
INSERT INTO table3 (c1, c2, c3) VALUES ('v4', 'v5', 'v6')

sends as

INSERT INTO table3 (c1, c2, c3) VALUES ('v1', 'v2', 'v3')('v4', 'v5', 'v6')

Options

• -config - config file (json); default config.json

Configuration file

{
  "listen": ":8124", 
  "flush_count": 10000, // check by \n char
  "flush_interval": 1000, // milliseconds
  "debug": false, // log incoming requests
  "clickhouse": {
    "down_timeout": 300, // wait if server in down (seconds)
    "servers": [
      "http://127.0.0.1:8123"
    ]
  }
}

Quickstart

./clickhouse-bulk and send queries to :8124

Tips

For better performance words FORMAT and VALUES must be uppercase.