ClickHouse-Bulk

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

Installation

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.