![]() ![]() However, client was tried to make more connections and a few of them have been rejected, see attached picture:īottom line: connections from ports 60099, 60100 have been rejected. Trying to increase concurrency to 3 will throw ab off due to its tendency to die on first error:īind address info: That means that 2 connections are opened concurrently, and while is accepted immediately, one necessarily waits in listen queue to be accepted later. What you can see here is that single-threaded http_server.py is bombarded with requests of concurrency 2. Percentage of the requests served within a certain time (ms) ![]() Time per request: 115.728 (mean, across all concurrent requests) Licensed to The Apache Software Foundation, īenchmarking 192.168.1.36 (be patient).done The select() function tests file descriptors in the range of 0 to nfds-1. ![]() The select function call solves this problem by allowing the program to poll all the socket handles to see if they are available for non-blocking reading and writing operations. Copyright 1996 Adam Twiss, Zeus Technology Ltd, Another situation is when an application receives data from multiple sockets.
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