<ul><li>OpenSearch employs circuit breakers to prevent nodes from running out of JVM heap memory.</li><li>Types of circuit breakers in OpenSearch include Parent Circuit Breaker, Fielddata Circuit Breaker, Request Circuit Breaker, In-Flight Requests Circuit Breaker, and Script Compilation Circuit Breaker.</li><li>Circuit Breaker Exceptions can be handled by reviewing query and mapping, optimizing fielddata usage, adjusting circuit breaker settings, and scaling the cluster.</li><li>To prevent crashes and OutOfMemoryErrors, it's important to understand and configure the circuit breakers effectively in OpenSearch.</li></ul>

OpenSearch Circuit Breakers

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