Cactid stoped creating new graph files.

3AHO3A · Post by **3AHO3A** » Wed Oct 18, 2006 4:42 am

Since today morning cacti dont create new rra files

RRDTool Says:

ERROR: opening '/var/www/html/cacti/rra/pae_1115_traffic_in_1570.rrd': No such file or directory

what can it be?

P.S. using cactid & RRD 1.2.x, had no problems before, have 400 devices and 1600 graphs.

Post by **TheWitness** » Wed Oct 18, 2006 5:41 am

Are existing graphs Ok. If so, you may have a permissions issue. Did you just upgrade?

TheWitness

3AHO3A · Post by **3AHO3A** » Wed Oct 18, 2006 5:44 am

Existing graphs are working, no upgrades were made.

but i found this in logs

10/18/2006 11:55:03 AM - CACTID: Poller[0] ERROR: Problem with MySQL: 'Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)'

P.S. i can connect to mysql but i dont know what socket i am using ...

P.P.S wierd, i didnt change anything

Post by **TheWitness** » Wed Oct 18, 2006 5:49 am

Do you have enough MySQL connections. Cactid uses quite a few:

1 per thread
1 per process
1 per script server process

So, if you are running in the following mode:

Concurrent processes = 2
Threads per process = 20
Script Servers = 5

You get

2 + 20 + 20 + 5 + 5 Conections or 52.

TheWitness

3AHO3A · Post by **3AHO3A** » Wed Oct 18, 2006 5:56 am

i have:
Maximum Concurrent Poller Processes - 1
Maximum Threads per Process - 1
Number of PHP Script Servers - 1
Script and Script Server Timeout Value - 25
The Maximum SNMP OID's Per SNMP Get Request - 10

Any advices? cause i still dont know how to solver the problem.

P.S. have another MySQL base running on this server that supplies docsis internet

Post by **TheWitness** » Wed Oct 18, 2006 6:46 am

Turn logging to medium, open a shell, cd to the cactid binary directory and then run "./cactid" and see what happens.

You may have an issue with MySQL, but then no items would be updating. I'm afraid it makes no sense.

TheWitness

3AHO3A · Post by **3AHO3A** » Wed Oct 18, 2006 7:44 am

Did it:
CACTID: Poller[0] ERROR: Cactid Timed Out While Processing Hosts Internal

and there is no any other errors

only Mysql error but it appears only when i am adding new devices and making graph for them.

3AHO3A · Post by **3AHO3A** » Wed Oct 18, 2006 8:39 am

i changed the Ping Timeout Value from 400 to 800 and graphs started to work,

but how can i see the frequency of cactid is started again?
if it starts every 5 minutes maybe i need to start it every 10 mins?

If it is in crontab i set it to 10 mins

Post by **TheWitness** » Wed Oct 18, 2006 2:15 pm

Hmm, your issue is likely that you have too many files all over your disk and that rrdtool is taking too long because of disk i/o problems.

I plan on making a change to improve that performance 10 fold, but have thus far not received any incentive to do so. Maybe you can help?

TheWitness

3AHO3A · Post by **3AHO3A** » Thu Oct 19, 2006 12:40 am

givin 10 mins was a bad idea.

TheWitness wrote:Maybe you can help?

TheWitness

How can i?

P.S. 90% of my graphs is modems graphs, so 5% of them is always offfline, maybe i need lower the timeout or number of retries?

Post by **TheWitness** » Thu Oct 19, 2006 9:34 pm

I would add my poller interval patch and only update information every 10 minutes for just the modem's. That way you will only poll them every 10 minutes and you will spread the polling of them out over that period. It's hard to explain, but trust me.

TheWitness

Post by **TheWitness** » Thu Oct 19, 2006 9:35 pm

Read the instructions carefully. You will need to create a 10 minute RRA and associate that RRA with some "New/Duplicated" template for your modems.

TheWitness

3AHO3A · Post by **3AHO3A** » Fri Oct 20, 2006 8:38 am

I increased Maximum Threads per Process and it goes well without errors right now
Also i deleted half of all my graphs which i dont really need them
But my database is increasing

And I am still into helping, if it is needed
So waiting for instructions ;]

Cactid stoped creating new graph files.

Cactid stoped creating new graph files.

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