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- Lock_convoy abstract "In computer science, a lock convoy is a performance problem that can occur when using locks for concurrency control in a multithreaded application. A lock convoy occurs when multiple threads of equal priority contend repeatedly for the same lock. Unlike deadlock and livelock situations, the threads in a lock convoy do progress; however, each time a thread attempts to acquire the lock and fails, it relinquishes the remainder of its scheduling quantum and forces a context switch. The overhead of repeated context switches and underutilization of scheduling quanta degrade overall performance.Lock convoys often occur when concurrency control primitives such as critical sections serialize access to a commonly used resource, such as a memory heap or a thread pool. They can sometimes be addressed by using non-locking alternatives such as lock-free algorithms or by altering the relative priorities of the contending threads.".
- Lock_convoy wikiPageID "6318755".
- Lock_convoy wikiPageLength "2840".
- Lock_convoy wikiPageOutDegree "16".
- Lock_convoy wikiPageRevisionID "503121302".
- Lock_convoy wikiPageWikiLink Category:Concurrency_control.
- Lock_convoy wikiPageWikiLink Computer_science.
- Lock_convoy wikiPageWikiLink Concurrency_control.
- Lock_convoy wikiPageWikiLink Critical_section.
- Lock_convoy wikiPageWikiLink Deadlock.
- Lock_convoy wikiPageWikiLink Dynamic_memory_allocation.
- Lock_convoy wikiPageWikiLink Lock-free_and_wait-free_algorithms.
- Lock_convoy wikiPageWikiLink Lock_(computer_science).
- Lock_convoy wikiPageWikiLink Memory_management.
- Lock_convoy wikiPageWikiLink Microsoft_Windows.
- Lock_convoy wikiPageWikiLink Mutual_exclusion.
- Lock_convoy wikiPageWikiLink Non-blocking_algorithm.
- Lock_convoy wikiPageWikiLink Spinlock.
- Lock_convoy wikiPageWikiLink Thread_(computer_science).
- Lock_convoy wikiPageWikiLink Thread_(computing).
- Lock_convoy wikiPageWikiLink Thread_pool.
- Lock_convoy wikiPageWikiLink Thread_pool_pattern.
- Lock_convoy wikiPageWikiLink Thundering_herd_problem.
- Lock_convoy wikiPageWikiLinkText "Lock convoy".
- Lock_convoy wikiPageWikiLinkText "lock convoy".
- Lock_convoy hasPhotoCollection Lock_convoy.
- Lock_convoy wikiPageUsesTemplate Template:Unreferenced.
- Lock_convoy subject Category:Concurrency_control.
- Lock_convoy hypernym Problem.
- Lock_convoy type Article.
- Lock_convoy type Disease.
- Lock_convoy type Article.
- Lock_convoy comment "In computer science, a lock convoy is a performance problem that can occur when using locks for concurrency control in a multithreaded application. A lock convoy occurs when multiple threads of equal priority contend repeatedly for the same lock. Unlike deadlock and livelock situations, the threads in a lock convoy do progress; however, each time a thread attempts to acquire the lock and fails, it relinquishes the remainder of its scheduling quantum and forces a context switch.".
- Lock_convoy label "Lock convoy".
- Lock_convoy sameAs m.0g0tfc.
- Lock_convoy sameAs Q6665292.
- Lock_convoy sameAs Q6665292.
- Lock_convoy wasDerivedFrom Lock_convoy?oldid=503121302.
- Lock_convoy isPrimaryTopicOf Lock_convoy.