| The wait type LOGMGR_RESERVE_APPEND is ranked #170 by Stedman Solutions and Database Health Monitor. Wait statistics, in the context of SQL Server, refer to the amount of time that a query spends waiting to access data in the database. When a client application requests data from the database, the request is placed in a queue and the client application must wait for its turn to access the data. The time that the query spends waiting is called a "wait" and is tracked by SQL Server. This information can be used to identify potential performance bottlenecks and optimize the performance of the database. Wait statistics are commonly used by database administrators to diagnose and troubleshoot performance issues in SQL Server. The SQL Server LOGMGR_RESERVE_APPEND wait type is used to indicate that a thread is waiting to reserve space in the transaction log for a new log record. In the context of SQL Server, the transaction log is a critical component that is used to ensure the durability and consistency of data modifications made to the database. When a thread needs to add a new log record to the transaction log, it must first reserve space in the log before it can proceed. When a thread encounters a LOGMGR_RESERVE_APPEND wait, it means that it is unable to continue with its current task until it can reserve space in the transaction log. This can cause performance issues, as other threads may also be waiting on space to be reserved in the transaction log before they can continue with their own tasks. To alleviate this problem, it is important to monitor for LOGMGR_RESERVE_APPEND waits and take action to address any underlying issues that may be causing long wait times. This could include optimizing the transaction log management process, or ensuring that there is sufficient free space available in the transaction log to accommodate new log records. Overall, the SQL Server LOGMGR_RESERVE_APPEND wait type is an important indicator of potential performance issues related to the transaction log. By monitoring for this wait type and taking action to address any underlying issues, it is possible to improve the overall performance of your SQL Server database. Applies toRelated WaitsLOGMGR_FLUSHLOGMGR_QUEUE See AlsoAll Wait Types |  |