• Fix the issue that TiDB does not wait for auto-commit transactions to complete during graceful shutdown #55464 @YangKeao • Fix the issue that reducing the value of tidb_ttl_delete_worker_count during • liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 7.5.12.4 Check the health status of a TiCDC cluster This API is a synchronous interface certificate. Otherwise, the connection cannot be migrated. • Configure the graceful-wait-before-shutdown of TiDB instances to a value greater than the longest transaction duration of the application. Otherwise

• Fix the issue that TiDB does not wait for auto-commit transactions to complete during graceful shutdown #55464 @YangKeao • Fix the issue that reducing the value of tidb_ttl_delete_worker_count during • liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 13.9.4.8.4 Check the health status of a TiCDC cluster This API is a synchronous interface certificate. Otherwise, the connection cannot be migrated. • Configure the graceful-wait-before-shutdown of TiDB instances to a value greater than the longest transaction duration of the application. Otherwise

the json_unquote() function in the coprocessor #10176 – Skip clearing callback during graceful shutdown to avoid breaking ACID in some cases #10353 #10307 – Fix a bug that the read index is shared for length of a single element, which is compatible with TiDB (earlier than v5.0). graceful-wait-before-shutdown New in v5.0 • Specifies the number of seconds that TiDB waits when you shut down the server, which which allows the clients to disconnect. • Default value: 0 • When TiDB is waiting for shutdown (in the grace period), the HTTP status will indicate a failure, which allows the load balancers to reroute

• liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 13.9.4.8.4 Check the health status of a TiCDC cluster This API is a synchronous interface certificate. Otherwise, the connection cannot be migrated. • Configure the graceful-wait-before-shutdown of TiDB instances to a value greater than the longest transaction duration of the application. Otherwise security.ssl-cert: "/var/ssl/cert.pem" security.ssl-key: "/var/ssl/key.pem" graceful-wait-before-shutdown: 15 3. Configure the TiProxy instances. To ensure the high availability of TiProxy, it is recommended

a single element, which is compatible with TiDB (earlier than v5.0). 1328 graceful-wait-before-shutdown New in v5.0 • Specifies the number of seconds that TiDB waits when you shut down the server, which which allows the clients to disconnect. • Default value: 0 • When TiDB is waiting for shutdown (in the grace period), the HTTP status will indicate a failure, which allows the load balancers to reroute each TiDB instance – Events OPM: the statistics of key events, such as “start”, “close”, “graceful- shutdown”,“kill”, “hang”, and so on – Goroutine Count: the number of Goroutines on each TiDB instance –

• liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 13.9.4.8.4 Check the health status of a TiCDC cluster This API is a synchronous interface certificate. Otherwise, the connection cannot be migrated. • Configure the graceful-wait-before-shutdown of TiDB instances to a value greater than the longest transaction duration of the application. Otherwise security.ssl-cert: "/var/ssl/cert.pem" security.ssl-key: "/var/ssl/key.pem" graceful-wait-before-shutdown: 15 3. Configure the TiProxy instances. To ensure the high availability of TiProxy, it is recommended

snapshot files in Raftstore threads to improve TiKV stability #16564 @Connor1996 • Accelerate the shutdown speed of TiKV #16680 @LykxSassinator • Add metrics for memory usage per thread #15927 @Connor1996 • liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 13.9.4.8.4 Check the health status of a TiCDC cluster This API is a synchronous interface certificate. Otherwise, the connection cannot be migrated. • Configure the graceful-wait-before-shutdown of TiDB instances to a value greater than the longest transaction duration of the application. Otherwise

number of tables #48869 @tiancaiamao • Fix the issue that TiDB server might panic during graceful shutdown #36793 @bb7133 66 • Fix the issue that ADMIN RECOVER INDEX reports ERROR 1105 when processing #16220 @overvenus 69 • Fix the issue that TiKV might panic when gRPC threads are checking is_shutdown #16236 @pingyu • PD • Fix the issue that the etcd health check in PD does not remove expired addresses • liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 13.9.4.8.4 Check the health status of a TiCDC cluster This API is a synchronous interface

length of a single element, which is compatible with TiDB (earlier than v5.0). graceful-wait-before-shutdown New in v5.0 • Specifies the number of seconds that TiDB waits when you shut down the server, which which allows the clients to disconnect. • Default value: 0 • When TiDB is waiting for shutdown (in the grace period), the HTTP status will indicate a failure, which allows the load balancers to reroute each TiDB instance – Events OPM: the statistics of key events, such as “start”, “close”, “graceful- shutdown”,“kill”, “hang”, and so on – Goroutine Count: the number of Goroutines on each TiDB instance –

snapshot files in Raftstore threads to improve TiKV stability #16564 @Connor1996 • Accelerate the shutdown speed of TiKV #16680 @LykxSassinator • Add metrics for memory usage per thread #15927 @Connor1996 • liveness: whether this node is live. 0 means normal. 1 means that the node is in the graceful shutdown state. 13.9.4.8.4 Check the health status of a TiCDC cluster This API is a synchronous interface certificate. Otherwise, the connection cannot be migrated. • Configure the graceful-wait-before-shutdown of TiDB instances to a value greater than the longest transaction duration of the application. Otherwise