...webserver example above, many client connections can be handled concurrently. Pulsar tells the operating system (through epoll or select) that it should be notified when a new connection is made, and then it goes to sleep. Pulsar uses the asyncio module from the standard python library and it can be configured to run in multi-processing mode. The http client maintains connections alive (by default 15 seconds) and therefore any requests that you make within a session will automatically reuse the appropriate connection. All connections are released once the session exits the asynchronous with block. ...