Wait Types – RESOURCE_SEMAPHORE (33m)
We usually think of SQL Server’s memory being used for caching data pages and for caching execution plans, but there’s a very important third consumer: query workspace memory grants. Queries need memory in order to sort stuff, join tables together, and even parallelize operations. In this module, we’ll show what happens when queries can’t even...
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- 01. How to Measure and Change Your SQL Server – 3 Metrics to Gather (23 minutes)
- 02. Measuring Your SQL Server with sp_BlitzFirst and Monitoring Software (24 minutes)
- 03. How to Measure and Change Your SQL Server – The Parts Catalog (7 minutes)
- Wait Types – ASYNC_NETWORK_IO (7 minutes)
- Wait Types – CXPACKET (54 minutes)
- Wait Types – LCK% – Locking Snapshot RCSI Part 1 (39 minutes)
- Wait Types – LCK% – Locking Snapshot RCSI Part 2 (29 minutes)
- Wait Types – PAGEIOLATCH Part 1 – Slow Reads from Storage (7 minutes)
- Wait Types – PAGEIOLATCH Part 2 – Ways to Mitigate It (9 minutes)
- Wait Types – SOS_SCHEDULER_YIELD (44m)
- Wait Types – THREADPOOL (27m)
- Wait Types – WRITELOG (12m)