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MacでCassandraをローカルに構築する

Last updated at Posted at 2019-05-22

概要

環境構築の備忘録。
Cassandra をローカルで動かしたかったので、そのための手順を残しておく。

手順

Cassandra 本体の準備

今回はDockerで動かしてみる

docker-compose.yml
version: '2'
services:
  cassandra:
      image: cassandra:3.9
      container_name: cassandra
      ports:
        - "9042:9042"
      environment:
        - "MAX_HEAP_SIZE=256M"
        - "HEAP_NEWSIZE=128M"
      restart: always
      volumes:
        - ./out/cassandra_data:/var/lib/cassandra0

※ 細かい設定は適宜変更

cql(Cassandra版のSQL) をインストール

1. pip をインストール

※ インストールされている場合はスキップで OK

$ sudo easy_install pip

2. pip で cql をインストール

$ sudo pip install cql

私の環境の場合は以下のエラーが出た。

ERROR: Cannot uninstall 'six'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.

オプションを付けることで回避できた。

$ sudo pip install cql -I six

pip のオプション一覧

3. Cassandra へ接続

Docker を立ち上げてから接続

$ cqlsh
Connected to Test Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 3.9 | CQL spec 3.4.2 | Native protocol v4]
Use HELP for help.
cqlsh>
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