By default the concurrency is single so the same thread is used to service all five requests which are sent from the WCF client side. You can see the value of the thread is always 4. The most important factor is time. As concurrency is configured as single, it will be called one after another sequentially.
How many requests can a WCF service handle?
one request
WCF service can handle one request at a time.
What is throttling in Web API?
API throttling is the process of limiting the number of API requests a user can make in a certain period. An application programming interface (API) functions as a gateway between a user and a software application.
What is throughput in WCF?
Throughput means that the work performs in a given specific time interval. The throughput of any WCF Service mainly depends on the number, for instance, the number of sessions you create. Based on the number of instance and session, you can increase and decrease the performance for WCF Service.
What are the values of Concurrencymode enumeration while setting the concurrency mode in WCF?
There are three concurrency modes available:
- Single : Each service instance processes one message at a time. This is the default concurrency mode.
- Multiple : Each service instance processes multiple messages concurrently.
- Reentrant : Each service instance processes one message at a time, but accepts reentrant calls.
Is WCF client thread safe?
Yes, it is thread-safe. However, you should know that WCF will automatically serialize the execution of CalculateSomething when it is called from more than one thread using the same ClientBase instance.
Can we create instance in WCF?
Actually in WCF service, we can create instance of the service in three ways and It is Per Call, Per Session and Single. If you want to know only overview see the following image which will clear your all doubts.
Which is not valid instance mode in WCF?
– All is valid. CORRECT ANSWER : All is valid.
What is the use of concurrency mode in WCF?
ConcurrencyMode is the ConcurrencyMode enumeration. WCF concurrency will help us to configure how WCF service instances can serve multiple requests at the same time. There are three basic types of concurrency supported by WCF 4.0:
What is concurrencymodemultiple in stateless WCF?
ConcurrencyMode.Multiple can cause scalability issues and may cause threading issues as mentioned in the SO link – ConcurrencyMode.Multiple in stateless WCF services.
What is the default concurrency mode of a service?
This is the default concurrency mode. Multiple: Each service instance processes multiple messages concurrently. The service implementation must be thread-safe to use this concurrency mode. Reentrant: Each service instance processes one message at a time, but accepts reentrant calls.
What is reentrant concurrency mode?
The Reentrant concurrency mode is nothing but a modified version of the single concurrency mode. Similar to single concurrency, reentrant concurrency is associated with a service instance and also sync lock.
