concurrency
gb/kˈɔŋkjɚənsi/ us/kˈɔŋkjɚənsi/
C1
Английский
egyidejű végrehajtás, konkurencia, egyidejűség, egyetértés, egybehangzás
СУЩЕСТВИТЕЛЬНОЕ
C1
TECHNICAL
1
Модель употребления:
[system/software] supports/uses concurrency; concurrency in [program/system]
Modern web servers use concurrency to handle thousands of requests at once.
A modern webszerverek egyidejű végrehajtást alkalmaznak, hogy egyszerre több ezer kérést kezeljenek.
The bug appeared only under high concurrency, when several threads updated the same record.
A hiba csak nagy fokú konkurencia mellett jelentkezett, amikor több szál ugyanazt a rekordot frissítette.
Go and Erlang provide different approaches to concurrency.
Примеры для изучающих
Concurrency lets the server work on many requests at once.
Az egyidejű végrehajtás lehetővé teszi, hogy a szerver egyszerre sok kéréssel foglalkozzon.
The program has a concurrency bug.
A programban konkurenciahiba van.
Частая ошибка:
Do not assume concurrency always means parallelism; concurrent work may be interleaved on one processor rather than truly simultaneous.
Значение
Overlapping execution in computing
Коллокации
handle concurrency
|support concurrency
|manage concurrency
|concurrency model
|concurrency control
|concurrency limit
|high concurrency
|concurrency issue
|concurrency bug
|database concurrency
Синонимы
overlapping execution (descriptive and close in technical meaning)
|
multitasking (more general; often used for users, operating systems, or work habits)
|
parallelism (related, but usually means actual simultaneous execution, often on multiple cores)
Антонимы
sequential execution (tasks run one after another rather than overlapping)
|
serial execution (technical term for operations processed in a single sequence)
|
single-threaded execution (one thread of control, often with little or no concurrency)
Темы
software
|computing
|programming
|systems
Определение
the way a computer system works on several tasks at the same time or during overlapping time periods
In computing, the ability or practice of running multiple tasks, processes, threads, or requests during overlapping periods, so they can make progress independently.
СУЩЕСТВИТЕЛЬНОЕ
C2
FORMAL
2
egyidejűség
C1
Модель употребления:
the concurrency of [things]; concurrency between [things]
The concurrency of heat, drought, and high winds made the fire season unusually dangerous.
A hőség, az aszály és az erős szél egyidejűsége szokatlanul veszélyessé tette az erdőtüzek időszakát.
The study examined the concurrency between unemployment and poor health.
A kutatás a munkanélküliség és a rossz egészségi állapot egyidejű fennállását vizsgálta.
The scheduling tool shows the concurrency of tasks on a timeline.
Примеры для изучающих
The concurrency of the storms caused delays.
A viharok egyidejűsége késéseket okozott.
Concurrency means the events happened together.
Az egyidejűség azt jelenti, hogy az események egyszerre történtek.
Частая ошибка:
In everyday English, overlap or happening at the same time is usually more natural than concurrency.
Значение
Happening at same time
Коллокации
concurrency of events
|concurrency of factors
|concurrency of risks
|temporal concurrency
|apparent concurrency
|degree of concurrency
|concurrency between events
|concurrency with another process
Синонимы
simultaneity (formal and very close in meaning)
|
co-occurrence (emphasizes that things occur together, often without implying a cause)
|
overlap (more common and practical; may refer to partial shared time)
Антонимы
sequence (events happen in order rather than at the same time)
|
succession (one thing follows another)
|
separation (things are kept apart in time or occurrence)
Темы
time
|analysis
|formal_writing
Определение
the situation in which two or more things happen or exist at the same time
The fact that two or more events, conditions, or states happen, exist, or are true at the same time.
СУЩЕСТВИТЕЛЬНОЕ
C2
FORMAL
3
egyetértés
B2
egybehangzás
C1
Модель употребления:
concurrency of [views/opinions]; concurrency between [positions/decisions]
Despite their different methods, the two reviews showed a strong concurrency of judgment.
Eltérő módszereik ellenére a két értékelés erős ítéletbeli egybehangzást mutatott.
The meeting produced an unusual concurrency of views across the departments.
Az értekezleten szokatlan egyetértés alakult ki az osztályok között.
There was little concurrency between the minister's statement and the agency's recommendations.
Примеры для изучающих
The managers showed concurrency of views on the plan.
A vezetők nézetei egybehangzóak voltak a tervvel kapcsolatban.
Частая ошибка:
This sense is rare in modern English; use agreement or concurrence in ordinary writing.
Значение
Agreement of views or decisions
Коллокации
concurrency of views
|concurrency of opinion
|concurrency of judgment
|broad concurrency
|substantial concurrency
|concurrency between positions
Синонимы
concurrence (more common formal word for agreement)
|
agreement (plain and much more common)
|
accord (formal; suggests harmony or consistency)
Антонимы
disagreement (lack of shared opinion or decision)
|
dissent (open disagreement, especially with a decision or majority view)
|
divergence (movement or difference away from a shared view)
Темы
communication
|decision_making
|formal_writing
Определение
agreement between people, ideas, or decisions, though agreement or concurrence is usually more natural
Formal and uncommon: agreement between opinions, decisions, or actions; concurrence.
Грамматика
Словарная форма
concurrency
IPA
GB/kˈɔŋkjɚənsi/
US/kˈɔŋkjɚənsi/
Слоги и ударение
con - cur - rency (3 слога)
Stress on 1st syllable (con)
Формы слова
Noun
- Base: concurrency
- Plural: concurrencies, concurrency
Выражения
concurrency control
1/kˈɔŋkjɚənsi kəntɹˈoʊl/
fixed phrase
technical
Coordinating simultaneous data access
ways to stop simultaneous computer operations from damaging or mixing up data
Примеры
- The database relies on concurrency control to keep transactions from corrupting shared data.
- Good concurrency control lets many users edit records without overwriting each other.
- The team added concurrency control after two updates were sometimes saved in the wrong order.
Примеры для изучающих
- Concurrency control protects shared data.
- The app needs better concurrency control.
concurrency issue
1/kˈɔŋkjɚənsi ˈɪʃu/
fixed phrase
technical
Bug from overlapping operations
a computer bug caused by several tasks happening at the same time
Примеры
- The duplicate charges were traced to a concurrency issue in the payment service.
- Concurrency issues are hard to reproduce because they depend on timing.
- The developers fixed a concurrency issue that occurred when two users edited the same file.
Примеры для изучающих
- The crash was a concurrency issue.
- Concurrency issues can be hard to find.
concurrency limit
1/kˈɔŋkjɚənsi lˈɪmɪt/
fixed phrase
technical
Maximum simultaneous operations
the largest number of things a system lets run at the same time
Примеры
- The API has a concurrency limit of 20 requests per account.
- We raised the concurrency limit during the sale to reduce waiting times.
- If you exceed the concurrency limit, new jobs stay in the queue until one finishes.
Примеры для изучающих
- The concurrency limit is 10 users.
- The server rejected the request because of the concurrency limit.
concurrency model
1/kˈɔŋkjɚənsi mˈɑdəl/
fixed phrase
technical
System for managing concurrent work
the method a programming system uses to organize several tasks at the same time
Примеры
- Actors, threads, and async/await represent different concurrency models.
- Choosing the right concurrency model can make the code easier to reason about.
- JavaScript's event loop is a central part of its concurrency model.
Примеры для изучающих
- The language has a simple concurrency model.
- The team chose an actor-based concurrency model.
high concurrency
1/hˈaɪ kˈɔŋkjɚənsi/
fixed phrase
technical
Many simultaneous system operations
a situation where many computer tasks or users are active at the same time
Примеры
- The server stayed stable under high concurrency during the ticket sale.
- High concurrency can expose timing bugs that never appear in simple tests.
- The new architecture was designed to handle high concurrency with fewer machines.
Примеры для изучающих
- The app can handle high concurrency.
- High concurrency made the bug appear.
optimistic concurrency control
1/ˌɑptɪmˈɪstɪk kˈɔŋkjɚənsi kəntɹˈoʊl/
fixed phrase
technical
Conflict checking without early locks
a way to allow edits first and check later whether another edit caused a conflict
Примеры
- With optimistic concurrency control, the system checks the row version before saving.
- Optimistic concurrency control worked well because most users edited different records.
- The update failed because optimistic concurrency control detected a newer version of the document.
Примеры для изучающих
- Optimistic concurrency control checks for conflicts before saving.
- The save failed because another user changed the record.
pessimistic concurrency control
1/pˌɛsəmˈɪstɪk kˈɔŋkjɚənsi kəntɹˈoʊl/
fixed phrase
technical
Conflict prevention with locks
a way to stop conflicts by locking data before people or programs change it
Примеры
- The bank used pessimistic concurrency control for transfers that changed account balances.
- Pessimistic concurrency control can reduce conflicts, but it may slow the system down.
- The application locked the record as part of its pessimistic concurrency control strategy.
Примеры для изучающих
- Pessimistic concurrency control uses locks.
- The record was locked before the update.