| The wait type CMEMTHREAD is ranked #285 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. One of the key components of SQL Server is the SQL Server engine, which is responsible for processing queries and managing the data stored in the database. One of the ways that SQL Server manages its workload is by using "wait types" to track the status of its threads. A thread is a unit of execution within a program, and SQL Server uses threads to process queries and perform other tasks. One type of wait that SQL Server tracks is the "CMEMTHREAD" wait type. This wait type occurs when a thread is waiting for memory to be allocated in order to complete its task. When a thread needs to allocate memory, it must first check whether there is enough memory available. If there is not enough memory available, the thread must wait for memory to be freed up before it can continue. This is known as a "memory pressure" situation, and it can cause performance issues for the SQL Server engine. When a thread is waiting for memory to be allocated, it is said to be in a "CMEMTHREAD" wait state. This wait state indicates that the thread is waiting for memory to be allocated in order to complete its task. In general, a high number of CMEMTHREAD wait types can indicate that the SQL Server engine is experiencing memory pressure. This can be caused by a variety of factors, such as a lack of available memory or a large number of concurrent queries. If you are seeing a high number of CMEMTHREAD wait types in your SQL Server environment, you may want to investigate the cause and take steps to address the issue. This may involve adding more memory to the server, optimizing your queries, or taking other steps to reduce the amount of memory needed by the SQL Server engine. In summary, CMEMTHREAD wait types occur when a thread is waiting for memory to be allocated in order to complete its task. A high number of CMEMTHREAD wait types can indicate that the SQL Server engine is experiencing memory pressure, which can impact the performance of the database. If you are seeing a high number of CMEMTHREAD wait types, you may want to take steps to address the issue and improve the performance of your SQL Server environment. Applies toSee AlsoAll Wait Types |  |