Guru Guide To Sql Server Architecture And Internals.pdf May 2026

Alex killed the orphaned transaction (after confirming with the dev), shrunk the log safely, and set up alerting for long-running open transactions.

The transaction log is a circular log. It can’t reuse space if any active transaction holds onto a VLFL (virtual log file) even if it’s old. Guru Guide To Sql Server Architecture And Internals.pdf

SELECT last_user_seek, last_user_scan, modifications FROM sys.dm_db_index_usage_stats WHERE database_id = DB_ID('SalesDB') AND object_id = OBJECT_ID('Orders'); The result: last_user_seek was yesterday. modifications was over 50,000. Alex killed the orphaned transaction (after confirming with

Alex updated stats: