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Bookmark or Share- What's the difference between deadlock and livelock?DEADLOCK Deadlock is a condition in which a task waits indefinitely for conditions that can never be satisfied - task claims exclusive control over shared resources - task holds resources while waiting for other resources to be released - tasks cannot be forced to relinguish resources - a circular waiting condition exists
- multithreading - What is a deadlock? - Stack OverflowA deadlock is a state of a system in which no single process/thread is capable of executing an action. As mentioned by others, a deadlock is typically the result of a situation where each process/thread wishes to acquire a lock to a resource that is already locked by another (or even the same) process/thread.
- What is a deadlock in a database? - Stack OverflowWhat is a deadlock. A deadlock happens when two concurrent transactions cannot make progress because each one waits for the other to release a lock, as illustrated in the following diagram. Because both transactions are in the lock acquisition phase, neither one releases a lock prior to acquiring the next one. Recovering from a deadlock situation
- 'await' works, but calling task.Result hangs/deadlocksNo deadlock issues will occur due to the use of Task.Run. public String GetSqlConnString(RubrikkUser user, RubrikkDb db) { // deadlock if called from threadpool, // works fine on UI thread, works fine from console main return Task.Run(() => GetSqlConnStringAsync(user, db)).Result; }
- Deadlocks in Oracle - Stack OverflowOracle detects a deadlock automatically, throws ORA-00060: deadlock detected while waiting for resource, and rolls back one of the transactions involved in the deadlock which Oracle decided as the victim. The previous successful transactions are not rolled back.
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