e and will fit into the buffer. Without this set data is read into the read buffer one record at a time. The more data that can be read, the more opportunity there is for parallelising the processing at the cost of increased memory overhead per connection. Setting <b>read_ahead</b> can impact the behaviour of the SSL_pending() function (see <a href="../man3/SSL_pending.html">SSL_pending(3)</a>). In addition the default size of the internal read buffer is multiplied by the number of pipelines available to en