It is possible that he did not properly background the forked-off process, and therefore Apache was waiting for all possible output to come back before sending anything. (Apache needs that to be able to include the size of the response in the return headers that it sends to the browser.)

The fun with buffering is that there are many processes involved, and if any one of them buffers, you won't get your output.

In reply to Re^6: Long Process Waits Until End to Display Results by tilly
in thread Long Process Waits Until End to Display Results by C_T

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