[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: How the Database Storage Manager Uses Semaphores

[George Potemkin]

> The quiz: what will happen with the database if we kill -9 the process that is holding the login semaphore? Is the login semaphore a database or system resource? The answer: kill -9 will undo the changes done by the process to the semaphores. So why watchdog crash a database if a process was killed by -9 while it was just waiting on semaphore for the buffer lock? SYSTEM ERROR: User died during microtransaction. (2256) Should it be fixed in the context of the Five Nines strategy?

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