Virtual log file growthIn previous versions of SQL Server, if the next growth is more than 1/8 of the current log size, and the growth is less than 64 MB, four VLFs were created. In SQL Server 2022 (16.x), this
In this article Overview SQL Server 2025 changes Version and edition requirements Usage scenarios Show 3 more Applies to: SQL Server A distributed availability group (AG) is a special type of availability group that spans two separate availability groups. Distri...
For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases: sys.dm_hadr_database_replica_states and sys.dm_hadr_database_replica_cluster_states. However, in SQL Server Books Online, the term "...
For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases: sys.dm_hadr_database_replica_states and sys.dm_hadr_database_replica_cluster_states. However, in SQL Server Books Onl...
WAIT_ON_SYNC_STATISTICS_REFRESH A new wait type in sys.dm_os_wait_stats dynamic management view. It shows the accumulated instance-level time spent on synchronous statistics refresh operations. See sys.dm_os_wait_stats. Custom capture policy for Query Store When this policy is enabled, addition...
For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases: sys.dm_hadr_database_replica_states and sys.dm_hadr_database_replica_cluster_states. However, in SQL Server Books Online, the term "...
other replica within the session-timeout period, the replica times out. Its connection is closed, and the timed-out replica enters the DISCONNECTED state. Even if a disconnected replica is configured for synchronous-commit mode, transactions don't wait for that replica to reconnect and re...
Upon upgrading to SQL Server 2019 CTP2, you may see the new SOS_WORK_DISPATCHER wait type at the top of the list: The above screenshot is server level wait stats from my four core desktop after SQL Server was running for a few hours. SQL Server wasn't re
other replica within the session-timeout period, the replica times out. Its connection is closed, and the timed-out replica enters the DISCONNECTED state. Even if a disconnected replica is configured for synchronous-commit mode, transactions don't wait for that replica to reconnect and re...
space. Updates, recovery, and much more functionality across all variants of the Windows OS fall within this realm. Users expect their operating system to function just like their home appliances. But wait, what could an appliance such as a dishwasher and the Windows operating system have in ...