bloogrox/clickhouse-bulk repository overview

⁠ClickHouse-Bulk

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

⁠Installation

Download binary⁠ for you platorm

or from sources (Go 1.8+):

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

⁠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
  "dump_dir": "dumps", // directory for dump unsended data (if clickhouse errors)
  "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.