it is not advised to use singlethreadmodel in many scenario because it impacts the performance. it is recommended that a developer take other means to resolve those issues instead of implementing this interface, such as avoiding the usage of an instance variable or synchronizing the block of the code accessing those resources.
is recommended that a developer take other means to resolve those issues instead of implementing this interface, such as avoiding. this is an empty, tag interface that defines no methods or.
at a time will execute in a given servlet instance’s service.. objects that are accessible to more than one servlet instance.
another user access the same servlet, the new instance is created instead of using the same instance for multiple threads. servlet would have to go through the same synchronized monitor.
take the state out of your servlet instead, so that the same servlet can be used by multiple threads concurrently. because it doesn't solves all the thread-safety issues such as static variable and session attributes can be accessed by multiple threads at the same time even if we have implemented the singlethreadmodel interface.