Re: os-qnx/2142: server becomes unresponsive despite active

[bob ostermann <bo...@rtquotes.com>]

The following reply was made to PR os-qnx/2142; it has been noted by GNATS.

From: bob ostermann <bo...@rtquotes.com>
To: <ap...@Apache.Org>
Cc:  Subject: Re: os-qnx/2142: server becomes unresponsive despite active
Date: Fri, 29 May 1998 07:04:08 -0400

 >Date: Tue, 05 May 1998 12:55:46 -0400
 >To: jim@jaguNET.com
 >From: bob ostermann <bo...@rtquotes.com>
 >Subject: Re: os-qnx/2142: server becomes unresponsive despite active
 >In-Reply-To: <19...@devsys.jaguNET.com>
 >References: <3....@devnode.rtquotes.com> from
 "bob ostermann" at May 1, 98 07:22:57 pm>
 >
 >At 07:40 PM 5/1/98 -0400, you wrote:
 >>> what should I look for in the status screen?
 >>> 
 >>
 >>If there are lots of processes in the K (keepalive) state or
 >>the D (DNS lookup state) then that might provide some clues.
 >>
 >I restarted v1.3b6 and it hung within 30 seconds. Here's the scoreboard in
 hung state:
 >
 >Apache Server Status for www.rtquotes.com
 >
 >Server Version: Apache/1.3b6
 >Server Built: Apr 23 1998 15:21:25
 >
 >Current Time: Tue May 5 12:34:37 1998 
 >Restart Time: Tue May 5 12:33:32 1998 
 >Server uptime: 1 minute 5 seconds
 >Total accesses: 8 - Total Traffic: 3 kB
 >CPU Usage: u.05 s0 cu0 cs0 - .0769% CPU load
 >.123 requests/sec - 47 B/second - 384 B/request
 >2 requests currently being processed, 0 idle servers 
 >
 >SW..............................................................
 >................................................................
 >................................................................
 >................................................................
 >
 >Scoreboard Key: 
 >"_" Waiting for Connection, "S" Starting up, "R" Reading Request,
 >"W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
 >"L" Logging, "G" Gracefully finishing, "." Open slot with no current process
 >
 >
 >
 >and here it is when I restarted 1.26:
 >
 >Apache Server Status for www.rtquotes.com
 >
 >Current Time: Tue May 5 12:44:46 1998 
 >Restart Time: Tue May 5 12:37:21 1998 
 >Server uptime: 7 minutes 25 seconds
 >Total accesses: 109 - Total Traffic: 304 kB
 >CPU Usage: u0.42 s0.11 cu0.49 cs0.07 - 0.245% CPU load
 >0.245 requests/sec - 699 B/second - 2855 B/request
 >1 requests currently being processed, 4 idle servers 
 >
 >_W_._._.........................................................
 >................................................................
 >................................................................
 >................................................................
 >
 >Scoreboard Key: 
 >"_" Waiting for Connection, "S" Starting up, "R" Reading Request,
 >"W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
 >"L" Logging, "G" Gracefully finishing, "." Open slot with no current process
 >
 >
 >
 >BTW I was suprised that the server responded to my request for the status
 page while hung for regular requests.
 >
 >I printed out the rest of each of the pages, but it wouldn't cut-and-paste
 well so I didn't send it. Let me know if there is any other information you
 need.
 >
 >bob.
 >