Choosing Between ETS and Mnesia for Erlang State Management
A technical guide on choosing between ETS and Mnesia for Erlang state management, comparing performance, durability, and distribution with a hybrid implementation example.
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erlangWaiting for Mnesia tables timeout during RabbitMQ cluster node startup
Diagnosing Mnesia sync failure when log location and rotation vary by deployment A RabbitMQ node refuses to boot, emitting repeated Waiting for Mnesia tables messages followed by a timeout. The first ERROR line after Starting RabbitMQ typically identifies the failing subsystem, but the log file path, rotation policy, and retention defaults differ across pack
rabbitmqMnesia restore :default_op behavior for unlisted tables across OTP versions
Context When restoring a Mnesia backup with :mnesia.restore/2 , the :default_op option controls how tables not explicitly named in the restore specification are handled. Documented values include :clear_tables , :keep_tables , and :skip_tables , but the exact semantics—especially whether :skip_tables preserves existing data or leaves the table absent—vary in