PRIMARY KEY (publisher, issue, isbn)


/bin/ping -c1 -D -W5 www.linux-magazin.de | /home/jcb/Cassandra/pingtest.pl


perl -MCPAN -e shell
install Cassandra::Client


CREATE TABLE pingtime (tstamp timestamp, tvalue float, PRIMARY KEY(tvalue, tstamp) ) WITH default_time_to_live = 259200 AND CLUSTERING ORDER BY (tstamp DESC);


#ExecStart=/usr/bin/dockerd -H fd://
ExecStart=/usr/bin/dockerd -H fd:// -H tcp://0.0.0.0:2375


systemctl daemon-reload
service docker restart


curl http://localhost:2375/version


export DOCKER_HOST=localhost:2375


docker-compose up -d
command.


$ cqlsh -uadmin 172.21.0.2 9042


CREATE KEYSPACE pingtest WITH replication = {'class':'SimpleStrategy','replication_factor':3};