I've tried to find a solution 4 my problem for almost 2 weeks now, but nothing i read here will work.
Just like a few other people here i've the problem that Cacti doesn't graph anything if i do the switch from "cmd.php" to "cactid".
Im running Cacti on a SLES9 SP1 with NET-SNMP 5.1.80, RRDTOOL 1.2 etc.
Here are the Host-Infos:
Cacti Version 0.8.6i
Plugin Architecture 1.0
Poller Type CMD.php
Server Info Linux 2.6.5
Web Server Apache/2.2.3 (Unix) DAV/2 mod_ssl/2.2.3 OpenSSL/0.9.8d PHP/5.1.6 mod_apreq2-20051231/2.5.7 mod_perl/2.0.2 Perl/v5.8.7
PHP Version 5.1.6
PHP Extensions libxml, xsl, xmlwriter, dom, xmlreader, xml, wddx, tokenizer, sysvshm, sysvsem, sybase, standard, SimpleXML, sockets, soap, SPL, shmop, session, Reflection, posix, PDO, pdo_sqlite, pdo_pgsql, pdo_mysql, mysqli, mysql, mssql, mime_magic, mhash, mcrypt, mbstring, ldap, imap, iconv, hash, gettext, gd, ftp, filepro, exif, dbase, dba, date, curl, ctype, calendar, bz2, bcmath, zlib, pcre, openssl, apache2handler, zip, SQLite, radius, pgsql, dbx, ming
MySQL Version 5.0.24a
RRDTool Version 1.2.15
SNMP Version 5.1
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everything works fine when using cmd.php , but sadly cmd.php takes around 250 Seconds to complete

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Here's a DEBUG Output from cacitd :
11/13/2006 01:30:00 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 0 2]
11/13/2006 01:30:01 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 3 4]
11/13/2006 01:30:02 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 5 6]
11/13/2006 01:30:03 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 7 8]
11/13/2006 01:30:04 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 9 10]
11/13/2006 01:30:06 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 11 12]
11/13/2006 01:30:07 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 13 14]
11/13/2006 01:30:08 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 15 16]
11/13/2006 01:30:09 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 17 18]
11/13/2006 01:30:10 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/local/cactid/bin/cactid, ARGS: 19 20]
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
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Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
Waiting on 10/10 pollers.
11/13/2006 01:34:53 PM - POLLER: Poller[0] Maximum runtime of 292 seconds exceeded. Exiting.
11/13/2006 01:34:53 PM - SYSTEM STATS: Time:292.6252 Method:cactid Processes:10 Threads:5 Hosts:20 HostsPerProcess:2 DataSources:1892 RRDsProcessed:0
Warning: pclose(): 80 is not a valid stream resource in /usr/opt/lampp/htdocs/cacti/lib/rrd.php on line 47
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Interestingly there's a difference in behavior.
When i first start cmd.php from a shell & afterwards the poller.php ... cactid is retrieving data, but only for the id's that were parsed by the cmd.php before ! ?
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I'm done here ...

Help is very much appreciated
Thx...