[icecast] Runaway icecast again (more YP issues)

[Geoff Shang]

Hi:

The sysadmin on the system where the icecast server I more or less
administer runs sent me an E-mail today saying that icecast had pushed up
the system load to over 8 and that he had to kill it off.  Some discussion
and examination of the log files suggest that there's a problem with
removing streams from the YP server.

The main source on our server is on a machine that's used for development
work.  This means that it has to be rebooted from time to time.  When this
was done, messages like this began appearing in the server log:

[2003-06-15  18:49:45] DBUG geturl/curl_print_header_result Message ->
(Server already exists)
[2003-06-15  18:49:45] EROR yp/yp_submit_url Got a NAK from yp_add(Server
already exists) (http://www.oddsock.org/cgi-bin/yp-cgi)

It seems these have persisted all week.  There are nearly 12 thousand lines
like this in the 111 MB logfile.  Here's the tail:

[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result SID -> ()
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result Message ->
(Server already exists)
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result Touch Freq ->
(0)
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result Response -> (0)
[2003-06-19  06:48:56] EROR yp/yp_submit_url Got a NAK from yp_add(Server
already exists) (http://yp.icecast.net/cgi-bin/yp.cgi)
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result SID -> ()
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result Message ->
(Server already exists)
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result Touch Freq ->
(0)
[2003-06-19  06:48:56] DBUG geturl/curl_print_header_result Response -> (0)
[2003-06-19  06:48:56] EROR yp/yp_submit_url Got a NAK from yp_add(Server
already exists) (http://www.oddsock.org/cgi-bin/yp-cgi)

Our guess is that either icecast is not telling the YP servers to get rid
of the original instance from their list, or the servers aren't doing it.
So icecast keeps on trying to ad a new stream and the YP server keeps on
complaining that it already has that one listed.

Geoff.

<p>
-- 
Geoff Shang <gshang at uq.net.au>
ICQ number 43634701

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