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    Apache MPM worker - apache-status


    Hi all,
    We use Apache 2.2 with MPM worker and mod_status enable. During proceed performance tests have accessed http://<servername>/server-status and have collected information in csv format.
    Can anyone help us with a more detailed explanation of the Scoreboard Key:
    "_" Waiting for Connection,
    "S" Starting up,
    "R" Reading Request
    "W" Sending Reply
    "K" Keepalive (read)
    "D" DNS Lookup,
    "C" Closing connection,
    "L" Logging,
    "G" Gracefully finishing,
    "I" Idle cleanup of worker,
    "." Open slot with no current process

    In particular those boldface.

    Thx of lot.
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    Devshed Supreme Being (6500+ posts)

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    I would think that "waiting for connection", "sending reply", and "closing connection" are self-explanatory.

    "Keepalive" probably means the connection is open while the worker is waiting for the client to send another request.

    The server configuration will allow for a certain number of concurrent children running at once, but that doesn't mean there are actually that many processes. Thus the "open slot" probably shows how many of the maximum number of possible children don't yet have processes fired up. (Which are fired up on an as-needed basis.)

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