and cheap. • Goroutines come with built-in primitives to communicate safely between themselves (channels). • Very easy to write concurrent programs. • Make full use of multi-core processors. Parallel

目录下生成以下文件： 1. certs 2. ├── ca-key.pem 3. ├── ca.pem 4. ├── client-cert.pem 5. ├── client-key.pem 6. ├── private_key.pem 7. ├── public_key.pem 8. ├── server-cert.pem 9. └── server-key.pem 对应的 TiDB 配置文件参数为： 1. [security] 公钥文 件为 /home/tidb/.ssh/id_rsa.pub 。 1. # su - tidb 2. $ ssh-keygen -t rsa 3. Generating public/private rsa key pair. 4. Enter file in which to save the key (/home/tidb/.ssh/id_rsa): 5. Created directory ='master'} - ON(instance, job) syncer_binlog_file{node='syncer'} > 1 4. FOR 1m 5. LABELS {channels="alerts", env="test-cluster"} 6. ANNOTATIONS { 7. summary = "syncer status error", 8. description="alert:

PlayerRepository. This enables you to directly use CRUD functions. The following is an example: @Autowired private PlayerRepository playerRepository; Insert or update data playerRepository.save(player); For more util.concurrent.TimeUnit; public class BatchUpdateExample { static class UpdateID { private Long bookID; private Long userID; public UpdateID(Long bookID, Long userID) { this.bookID = bookID; this to store data of type varchar. public class Author { private Long id; private String name; private Short gender; private Short birthYear; private Short deathYear; public Author() {} // Skip the getters

PlayerRepository. This enables you to directly use CRUD functions. The following is an example: @Autowired private PlayerRepository playerRepository; Insert or update data playerRepository.save(player); For more concurrent.TimeUnit; 361 public class BatchUpdateExample { static class UpdateID { private Long bookID; private Long userID; public UpdateID(Long bookID, Long userID) { this.bookID = bookID; this to store data of type varchar. public class Author { private Long id; private String name; private Short gender; private Short birthYear; private Short deathYear; public Author() {} // Skip the getters

PlayerRepository. This enables you to directly use CRUD functions. The following is an example: @Autowired private PlayerRepository playerRepository; Insert or update data playerRepository.save(player); For more concurrent.TimeUnit; 381 public class BatchUpdateExample { static class UpdateID { private Long bookID; private Long userID; public UpdateID(Long bookID, Long userID) { this.bookID = bookID; this to store data of type varchar. public class Author { private Long id; private String name; private Short gender; private Short birthYear; private Short deathYear; public Author() {} // Skip the getters

sequenceName="player_jpa_id_seq", �→ allocationSize=1) private Long id; /** * @Column field */ @Column(name = "coins") private Integer coins; @Column(name = "goods") private Integer goods; public Long getId() { return attribute allocationSize is used to declare the sequence’s step size to be 1. • @Column declares each private attribute as a column of the player_jpa table, and uses the annotation attribute name to determine */ @Service @Transactional public class PlayerServiceImpl implements PlayerService { @Autowired private PlayerRepository playerRepository; @Override public Integer createPlayers(List players)

before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated

before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated

before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated

before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated before your first connection. In addition to the Public connection type, TiDB Dedicated supports Private End- point and VPC Peering connection types. For more information, see Connect to Your TiDB Dedicated