const cassandra = require('cassandra-driver');
const client = new cassandra.Client({ contactPoints: ['172.30.56.60','172.30.56.61','172.30.56.62','172.30.56.63'], keyspace: 'users' });

console.log(client);

const query = 'INSERT INTO user (user_id, user_name, user_phone) VALUES (?, ?, ?) IF NOT EXISTS';

console.log(query);
console.time('time');
for (var primaryKey = 0; primaryKey < 10000; primaryKey++) {
    const params = [primaryKey, 'hari', 12345678];
    console.log(primaryKey);
    client.execute(query, params, { prepare: true, consistency: cassandra.types.consistencies.quorum });
    console.log(primaryKey);
}
console.timeEnd('time');