Apache Cassandra

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Apache Cassandra是一套数据库。

安装

先安装OpenJDK 11:

sudo apt install -y openjdk-11-jdk; sudo apt clean

再来安装Cassandra:

curl -L https://www.apache.org/dist/cassandra/KEYS | sudo apt-key add -; echo "deb http://www.apache.org/dist/cassandra/debian 40x main" | sudo tee /etc/apt/sources.list.d/cassandra.list; sudo apt update; sudo apt install -y cassandra

设定

防火墙

Port Usage Comment
7000/tcp Cluster communication
7001/tcp Cluster communication (TLS mode)
7199/tcp JMX
9042/tcp Native protocol

/etc/cassandra/cassandra.yaml

  • cluster_name改成自己要的名称。
  • commitlog_compression改用LZ4Compressor
  • hints_compression改用LZ4Compressor
  • internode_compression改成all
  • listen_address改成非localhost,这样外部才能连线。

连结