Cacti Graph no data randomly for some graphs

Symptom

Cacti Blank

Cause:

Data Collector reachs max run time (polling interval). Remaining SNMP data will not be collected.

Solution:

1. Use spine instead of cmd.php

2. Increase "Processes" and "Threads" setting under "Data Collection" --> "Data Collectors"

Recommend Setting for

"Processes" = 2 * no. Of Cores available

"Threads" = 10 - 15

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