batchplock

Batchplock is a term used in batch processing and resource management to describe a locking strategy that coordinates access to shared resources during batch execution. The word combines batch processing with the concept of a lock, and the term appears in some industry discussions and internal documentation to denote a specific class of resource control mechanisms.

Purpose and scope: The aim is to prevent race conditions and ensure data integrity when multiple batch jobs contend for the same resource, such as a database table, file, or hardware device. A batchplock is typically acquired at the start of a batch job and released when the job completes, fails, or times out. In distributed environments, batchplock can be implemented via a distributed lock service that supports TTLs and lease-based renewal.

Mechanisms: Lock types include pessimistic (exclusive) locks and cooperative or advisory locks; locks can be hierarchical or partition-specific. Implementations may rely on central schedulers, database row or table locks, or dedicated coordination services to coordinate lock acquisition and renewal.

Use cases: ETL pipelines, high-volume data imports, nightly reporting, and manufacturing execution systems where batch steps must not run concurrently on the same resource.

Advantages and challenges: Benefits include improved data consistency and simplified error handling; challenges include potential bottlenecks, deadlock risk, and the need for careful lock scope and timeout configuration. Proper monitoring and well-defined lock policies are important to minimize performance impact.

See also: locking, mutex, distributed lock, two-phase locking, batch processing.