An improvement to HTTP-Polling is HTTP Long Polling. Here a response to a request is returned only when new data appears, made possible by persisting the connection. Pioneered by Gmail in the 2000s (and rendering the ‘pressing refresh’ ritual largely redundant), this reduces the frequency of...
Consuming messages using short pollingConsuming messages using long pollingDifferences between long and short polling Amazon SQS offers short and long polling options for receiving messages from a queue. Consider your application's requirements for responsiveness and cost efficiency when choosing betwe...
Then, in late 2012AWS releasedthelong pollingfeature: based on long TCP connections, this allows a SQS client to subscribe to SQS queues keeping a connection open until a message is coming in. Thus the SQS client no longer has to deal with periodic polling, plus it's requesting messages fr...
Installing VMware vCenter Converter Standalone on my Windows 10 Professional (Error: 29190. Could not generate Secure Sockets Layer SSL Key) Installing Windows Feature - restart pending Insufficient system resources exist to complete the API on Windows 2012 R2 Integrating a Domain Active Directory a...
Ukip Politics Are Long on Election Promise but Short of Temper ; Come Polling Day It Was All Eyes on Farage, Who Elates and Incenses ManySheridan, Kathy
ショートポーリングを使用してキュー (FIFO または標準) からのメッセージを使用する場合、Amazon SQS はサーバーのサブセットをサンプリングし (加重ランダムディストリビューションに基づく)、それらのサーバーからのメッセージのみを返します。したがって、ある ReceiveMessage...