Istio
Hard
Traffic Management
What is the purpose of Istio's 'trafficPolicy.connectionPool' field in DestinationRule?
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Answer: To configure connection pooling settings like max connections and timeouts
Explanation
The 'trafficPolicy.connectionPool' field in Istio's DestinationRule is used to configure connection pooling settings like maximum connections, maximum pending requests, and timeouts. This helps to prevent overloading services and improve resilience.
More hard Istio questions
- In Istio ambient mode, which component handles mTLS and L4 policy for the pods on each node?
- A namespace runs in Istio ambient mode. You need HTTP header-based routing and L7 authorization for one of its services. What do you add?
- A workload has AuthorizationPolicies with CUSTOM, DENY, and ALLOW actions. In what order does Istio check them?
- The mesh-wide PeerAuthentication in istio-system sets STRICT. The namespace has one that sets PERMISSIVE. A workload-specific policy sets portLevelMtls to DISABLE for port 8080. Which mode applies to port 8080 of that workload?
- An application in an Istio sidecar pod fails at startup because its first outbound calls happen before the Envoy sidecar is ready. Which setting fixes this?
- What is the purpose of Istio's WorkloadEntry resource?