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

='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:

上配置钉钉的告警通道。 1991 1. 打开 Notification channels 配置页面，点击 New channel 创建通道。 图 293: Notification channels - New channel 2. 配置消息接收方，示例如下： 1992 图 294: Notification channels - Edit config 若要接入钉钉自定义机器人，参考钉钉文档

TiDB Cloud support • Seek help from the TiDB community: • The TiDB Forum • Discord channels 1281 • Slack channels: #everyone (English), #tidb-japan (Japanese) • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost

TiDB Cloud support • Seek help from the TiDB community: • The TiDB Forum • Discord channels 1299 • Slack channels: #everyone (English), #tidb-japan (Japanese) • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost

TiDB Cloud support • Seek help from the TiDB community: • The TiDB Forum • Discord channels 1285 • Slack channels: #everyone (English), #tidb-japan (Japanese) • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost

TiDB Cloud support • Seek help from the TiDB community: • The TiDB Forum • Discord channels 1300 • Slack channels: #everyone (English), #tidb-japan (Japanese) • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost

TiDB Cloud support • Seek help from the TiDB community: • The TiDB Forum • Discord channels 1327 • Slack channels: #everyone (English), #tidb-japan (Japanese) • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost

• Documentation for TiDB Cloud support • Seek help from the TiDB community: • Discord channels • Slack channels: #everyone (English), #tidb-japan (Japanese) 1737 • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost

• Documentation for TiDB Cloud support • Seek help from the TiDB community: • Discord channels • Slack channels: #everyone (English), #tidb-japan (Japanese) 1348 • Stack Overflow (questions tagged with automatic load balancing and high availability. • TiFlash does not rely on additional replication channels, but directly receives data from TiKV in a many-to-many manner. • As long as the data is not lost