This session will provide a short introduction to the Firebird lock manager and its usage patterns. It will describe how the lock manager can affect the performance of highly loaded systems and outlines the possible bottlenecks and other problems like unexpected lock-ups/freezes that may require special analysis. The structure of the lock table will also be explained.
It will also include a detailed description of the fb_lock_print utility and its usage that will enable the research of issues that are related to the lock manager. A few practical examples illustrating how to analyze the utility output will be provided. This session is mainly of interest to Classic Server users and DBAs.
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