We found the performance and resource usage of Collection3 didn't work well with lots of RRD's.
To overcome this we introduced a method of caching so the RRD tree didn't need to be scanned repeatedly. We used "Storable" for this. This patch requires a ./var directory, writable by the user the Perl cgi runs as (eg www-data). A "Rescan Cache" button is added to the selection area to be used when ever a new RRD file is added to the tree. In our environment this only happens when we add a new host, which for us is manageable. In addition to the "Rescan Cache" button this patch also adds a "Reset" button, which simply is a way of bringing you back to start page and not related to the cache. Hope others may find this useful. Cheers, Neil McCoy
collectd-4.10.2-mineCache.patch
Description: collectd-4.10.2-mineCache.patch
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