Transactional memory systems represent a paradigm shift in concurrent programming by abstracting low-level lock management and enabling sequences of operations to be executed as atomic transactions.

In this article I’d like to present a discussion on concurrency handling, concurrency violations and the strategies involved to resolve concurrency conflicts. Concurrency violations: when and why do ...

Figure 1 Aria: (1) Transactions in a batch are executed against the same snapshot; (2) To achieve serializability, the transactions that suffer read-after-write conflict (e.g., T3) and ...

So, I just had a chat with my boss about Oracle and concurrency and she just shattered everything that I've ever understood about database and transactions. My understanding was that, in a transaction ...

In a database management system (DBMS), concurrency control manages simultaneous access to a database. It prevents two users from editing the same record at the same time and also serializes ...

Multiversion concurrency control (MVCC) is a database optimization technique. MVCC creates duplicate copies of records so that data can be safely read and updated at the same time. With MVCC, database ...

The Second Life user-concurrency and user-to-user transaction figures took a bit of an unexpected jump this week, rising sharply after a year of relatively little motion. Through 2009, ...