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Re: [cacti-user] Waiting on 1/1 pollers.

From: jehan.procaccia <jehan.procaccia(at)int-edu.eu>
Date: Thu Jul 12 2007 - 03:53:24 EDT

I found a durty workaround to my poller.php not executing. by looking at sources of poller.php i noticed where the "Waiting on 1/1 pollers" message originate, line 194:
}else {
if (read_config_option("log_verbosity") >= POLLER_VERBOSITY_MEDIUM) { print "Waiting on " . ($process_file_number - sizeof($polling_items)) . "/$process_file_number pollers.\n";

just above I found the coresponding "if" statement line 159:

while (1) {
$polling_items = db_fetch_assoc("select poller_id,end_time from poller_time where poller_id = 0");

if (sizeof($polling_items) == $process_file_number) {

So I run the SQL command in the database and I noticed that the database table poller_time contained a value when a cmd.php had been just strated before poller.php

mysql> select * from poller_time;

+----+-----+-----------+---------------------+---------------------+

+----+-----+-----------+---------------------+---------------------+

| 1 | 0 | 0 | 2007-07-12 08:29:08 | 2007-07-12 08:29:08 |

+----+-----+-----------+---------------------+---------------------+

if its got:
mysql> select * from poller_time;
Empty set (0.00 sec)

poller.php goes to "Waiting on 1/1 poller"

Do you need help?

Apparently runing cmd.php set data in poller_time , then enable a correct run of poller.php.
Now my durty workaround works by running a cmd.php 1minute before poller.php so that table poller_time is set:
$ cat /etc/cron.d/cacti

4,9,14,19,24,29,34,39,44,49,54,59 * * * * cactiuser php /var/www/cacti/cmd.php &>/dev/null
*/5 * * * * cactiuser php /var/www/cacti/poller.php &>/dev/null

but I'll really apreciate a better solution ! any idea of what is wrong in my config ?
thanks .

PS:
$ cat /etc/redhat-release

CentOS release 5 (Final)
$ rpm -q cacti cacti-cactid rrdtool net-snmp
cacti-0.8.6j-1.el5.rf
cacti-cactid-0.8.6i-1.el5.rf
rrdtool-1.2.23-1.el5.rf
net-snmp-5.3.1-14.0.1.el5

jehan.procaccia wrote:

> Perhaps a hint ... ?
> when I start poller manually in debug mode I get
> [cactiuser@supervis ~]
> $ php /var/www/cacti/poller.php
> 07/11/2007 09:45:36 PM - POLLER: Poller[0] DEBUG: About to Spawn a 
> Remote Process [CMD: /usr/bin/cactid, ARGS: 0 25]
> Waiting on 1/1 pollers.
> Waiting on 1/1 pollers.
> ...
>
> when I start cmd.php it apparently works fine
>
> [cactiuser@supervis ~]
> $ php /var/www/cacti/cmd.php
> 07/11/2007 09:47:02 PM - CMDPHP: Poller[0] Host[1] SNMP: Device does not 
> require SNMP
> 07/11/2007 09:47:02 PM - CMDPHP: Poller[0] Host[1] No host availability 
> check possible for '127.0.0.1'.
> 07/11/2007 09:47:02 PM - CMDPHP: Poller[0] Host[1] DS[3] CMD: perl 
> /var/www/cacti/scripts/linux_memory.pl MemFree:, output: 105076
> 07/11/2007 09:47:02 PM - CMDPHP: Poller[0] Host[1] DS[4] CMD: perl 
> /var/www/cacti/scripts/linux_memory.pl SwapFree:, output: 8388252
> ...
>
> Then I can run a least successfully One poller.php
>
> [cactiuser@supervis ~]
> $ php /var/www/cacti/poller.php
> 07/11/2007 09:47:20 PM - POLLER: Poller[0] DEBUG: About to Spawn a 
> Remote Process [CMD: /usr/bin/cactid, ARGS: 0 25]
> Waiting on 1/1 pollers.
> 07/11/2007 09:47:21 PM - POLLER: Poller[0] Parsed MULTI output field 
> 'bind-init:82185' [map bind-init->bind]
> ....
> 07/11/2007 09:47:22 PM - POLLER: Poller[0] CACTI2RRD: /usr/bin/rrdtool 
> update /var/www/cacti/rra/localhost_mem_buffers_3.rrd --template 
> mem_buffers 1184183222:105076
> OK u:0.02 s:0.04 r:0.82
> Waiting on 1/1 pollers.
> Waiting on 1/1 pollers.
>
> But then I keep get again and again "Waiting on 1/1 pollers." ...
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>
>
> jehan.procaccia wrote:
>   
>> Hello, I just upgraded my cacti server to cacti-0.8.6j-1.el5.rf, I did 
>> followed with success 
http://www.cacti.net/downloads/docs/html/upgrade.html
>> Now I can see my old graphs without problem on the new server, the 
>> problem is that no data is beeing grab anymore :-(
>> I though that my cron.d/cacti didn't worked :
>> */5 * * * *     cactiuser       php /var/www/cacti/poller.php &>/dev/null
>> so I started cacti manually
>>
>> [root@supervis /var/www/cacti/log]
>> $ php /var/www/cacti/poller.php
>> Waiting on 1/1 pollers.
>> ....
>> Waiting on 1/1 pollers.
>> 07/11/2007 06:58:08 PM - POLLER: Poller[0] Maximum runtime of 292 
>> seconds exceeded. Exiting.
>> 07/11/2007 06:58:08 PM - SYSTEM STATS: Time:293.9246 Method:cactid 
>> Processes:1 Threads:10 Hosts:21 HostsPerProcess:21 DataSources:941 
>> RRDsProcessed:0
>> PHP Warning:  pclose(): 48 is not a valid stream resource in 
>> /var/www/cacti/lib/rrd.php on line 47
>>
>> and here's what my last log said on the old server, if it can help ?
>>
>> 07/11/2007 06:10:08 PM - CACTID: Poller[0] Time: 5.7591 s, Threads: 10, 
>> Hosts: 21
>> 07/11/2007 06:10:09 PM - SYSTEM STATS: Time:6.7090 Method:cactid 
>> Processes:1 Threads:10 Hosts:21 HostsPerProcess:21 DataSources:941 
>> RRDsProcessed:505
>>
>> what these "Waiting on 1/1 pollers." mean ?
>> thanks .
>>
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>
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https://lists.sourceforge.net/lists/listinfo/cacti-user Received on Thu Jul 12 03:54:02 2007

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