Oracle Availability Domain Latency
When designing availability group systems one of the first pieces of information i ask clients for is how much transaction log their databases generate.
Oracle availability domain latency. Fault domain s in oracle cloud infrastructure oci a fault domain is a grouping of hardware and infrastructure within an availability domain. Without additional data neither of these events is useful in measuring the impact of network latency on application performance. Roughly this is going to account for how much data needs to move between their availability group replicas.
The availability domain s within the same region are connected to each other by a low latency high bandwidth network which makes it possible for you to provide high availability connectivity to the internet and on premises and to build replicated systems in multiple availability domain s for both high availability and disaster recovery. Because availability domains do not share infrastructure such as power or cooling or the internal availability domain network a failure at one availability domain is unlikely to impact the availability of the others. Vcn resides with in a single region but.
Oracle cloud infrastructure resources are either specific to a region such as a virtual cloud network or specific to an availability domain such as a compute instance. The two most common are sql net message to client and sql net message from client. Availability domains are isolated from each other fault tolerant and very unlikely to fail simultaneously.
Ad an oci availability domain is a distinct cloud data centre within an oci region vnet shorthand for azure virtual network expressroute virtual gateway the gateway function in azure. Fault domain s let you distribute your instances so that they are not on the same physical hardware within a single availability domain. When you configure your cloud services if the services are specific to an availability domain it is important to leverage multiple availability domains or fault domains to ensure high availability and to protect against.
Availability domain is isolated from each other. Oracle functions starts multiple docker containers up to the limit specified for your tenancy. In oracle 11gr2 there are 16 different wait events associated with sql net traffic.
Fault tolerant high availability low latency to high bandwidth network between availability domain.