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- Concurrency 11228
- Handling Concurrency Single Process In in-process mode, DuckDB has two configurable options for concurrency: Read-write mode: one process can both read and write to the database. Read-only mode: multiple processes can read from the database
...ad-write mode, DuckDB supports multiple writer threads using a combination of MVCC (Multi-Version Concurrency Control) and optimistic concurrency control (see Concurrency within a Single Process ), but all within that single writer process. The reason for...on the same table. Multiple threads can also simultaneously update separate tables or separate subsets of the same table. Optimistic concurrency control comes into play when two threads attempt to edit (update or delete) the same row at the same time. In...oncurrent read-writes on the same database. DuckLake 1.1 , intended for production use, was released alongside DuckDB 2.0. Optimistic Concurrency Control DuckDB uses optimistic concurrency control , an approach generally considered to be the best fit for r... - https://man.mtool.work/duckdb/2.0/connect/concurrency.html
- Configuration 7485
- DuckDB has a number of configuration options that can be used to change the behavior of the system. The configuration options can be set using either the SET statement or the PRAGMA statement . They can be reset to their original values usi
...dependencies Enables created MACROs to create dependencies on the referenced objects, such as tables. BOOLEAN false enable_optimistic_write Whether or not to optimistically write large appends to disk before committing. Disable this to keep bulk appends in... - https://man.mtool.work/duckdb/2.0/configuration/overview.html
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