Azure SQL Database Azure SQL Managed Instance As part ofHigh Availability architecture, each single database or elastic pool database in the Premium and Business Critical service tier is automatically provisioned with a primary read-write replica and one or more secondary read-only replicas. The ...
SQL 复制 SELECT EXTRACT (EPOCH FROM now() - pg_last_xact_replay_timestamp()); Set an alert to inform you when the replica lag reaches a value that isn’t acceptable for your workload.For additional insight, query the primary server directly to get the replication lag in bytes on all...
使用az sql elastic-pool update命令,通过添加辅助池副本横向扩展现有超大规模弹性池,或删除辅助池副本在弹性池中进行横向缩减。 以下示例横向扩展现有超大规模弹性池,以使用四个辅助池副本: Azure CLI # use the --ha-replicas (--read-replicas can also be used) parameter to specify the new number of high...
GB/month $0.095 GRS requires twice the amount of storage capacity because it creates a replica. If you have configured the back up storage to be geo-redundant (GRS), the price will be 2x this price. Price per GB remains the same. Read Replica Read replicas allow read-heavy workloads to...
With this change, by default, the value of the server system variable "sql_generate_invisible_primary_key" is ON for all Azure Database for MySQL Flexible Server instances on MySQL 8.0. With GIPK mode ON, MySQL generates an invisible primary key to any InnoDB table, which is newly crea...
The ratio of CPU/memory/read/writes is calibrated based on Azure SQL Database benchmarks and optimized for generic workloads. Azure SQL Database guarantees that you will always have the amount of resources defined in the DTU class. As long as none of the dimensions in the DTU bounding box...
PREEMPTIVE_CLOSEBACKUPVDIDEVICE在 SQLOS 计划程序切换到抢先模式时发生,以便关闭虚拟备份设备。 PREEMPTIVE_CLUSAPI_CLUSTERRESOURCECONTROL在 SQLOS 计划程序切换到抢先模式时发生,以便执行故障转移群集操作。 PREEMPTIVE_COM_COCREATEINSTANCE在 SQLOS 计划程序切换到抢先模式时发生,以便创建 COM 对象。
PREEMPTIVE_CLOSEBACKUPVDIDEVICE在 SQLOS 计划程序切换到抢先模式时发生,以便关闭虚拟备份设备。 PREEMPTIVE_CLUSAPI_CLUSTERRESOURCECONTROL在 SQLOS 计划程序切换到抢先模式时发生,以便执行故障转移群集操作。 PREEMPTIVE_COM_COCREATEINSTANCE在 SQLOS 计划程序切换到抢先模式时发生,以便创建 COM 对象。
This works by using a built-in Distributed Availability Group (DAG) to replicate data to a previously deployed Azure SQL Managed Instance as a DR replica site. The instance is ready and waiting for whenever you need it—no lengthy configuration or maintenance i...
With this announcement, Azure also becomes the first cloud provider to offer its own single database service that supports both relational and NoSQL workloads. You can now build cloud-native applications for relational and non-relational data using the familiarAzure Cosmos DBdatabase. ...