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You're viewing documentation for an unstable version of Scylla Rust Driver. Switch to the latest stable version.
Speculative query execution is an optimization technique where a driver pre-emptively starts a second execution of a query against another node, before the first node has replied.
There are multiple speculative execution strategies that the driver can use.
Speculative execution can be configured for the whole whole
Available speculative execution strategies:
Speculative execution is not enabled by default, and currently only non-iter session methods use it.