Sata machine import data single thread is very slow

[yuqin11]

I install scylla with this doc:docs, withe developer mode on. and i insert data single thread the data writing speed is "3M/min" is there any reason ? ` public static void createTable() { // a,b为复合主键 a：分区键，b：集群键 String cql = "CREATE TABLE if not exists mydb.test (a text,PRIMARY KEY (a))"; session.execute(cql); } public static void close(){ session.close(); cluster.close(); System.out.println("close."); } public static void insert(String value) { String cql = "INSERT INTO mydb.test (a ) VALUES ('" + value + "');"; session.execute(cql); }

public static void createKeyspace()
{
    // 单数据中心 复制策略 ：1
    String cql = "CREATE KEYSPACE if not exists mydb WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}";
    session.execute(cql);
}
public static  void main(String[] args) throws IOException {

    connect();
    String fileName = "vertex_person";
    File file = new File(fileName);
    BufferedReader reader = null;
    StringBuffer sbf = new StringBuffer();
    createKeyspace();
    createTable();
    try {
        reader = new BufferedReader(new FileReader(file));
        String tempStr;
        int count =0;
        while ((tempStr = reader.readLine()) != null) {
            insert(tempStr);
            count += 1;
            System.out.println(count);
        }



        }catch (Exception e){
        e.printStackTrace();
    }
    close();
}

`

[tzach]

Better open the issue in https://github.com/scylladb/scylla