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10 Commits

Author SHA1 Message Date
Girish Ramakrishnan
1872cea763 graphs: do not average cpu use 
Show like htop/top: cpu core count * 100
 2022-10-13 22:36:20 +02:00
Girish Ramakrishnan
3caffdb4e1 Rework app stats 
Previously, the du plugin was collecting data every 20 seconds but
carbon was configured to only keep data every 12 hours causing much
confusion.

In the process of reworking this, it was determined:

* No need to collect disk usage info over time. Not sure how that is useful
* Instead, collect CPU/Network/Block info over time. We get this now from docker stats
* We also collect info about the services (addon containers)
* No need to reconfigure collectd for each app change anymore since there is no per
app collectd configuration anymore.
 2022-10-10 21:13:26 +02:00
Girish Ramakrishnan
534c8f9c3f collectd: on one system, localhost was missing in /etc/hosts 2022-05-27 16:10:38 -07:00
Girish Ramakrishnan
3adf8b5176 collectd: FQDNLookup causes collectd install to fail 
this is on ubuntu 20

https://forum.cloudron.io/topic/7091/aws-ubuntu-20-04-installation-issue
 2022-05-25 15:10:55 -07:00
Girish Ramakrishnan
c1ee3dcbd4 collectd: cache du values and send it every Interval (20) 
collectd plugin ordering matters. the write_graphite plugin establishes
a TCP connection but there is a race between that and the df/du values that
get reported. du is especially problematic since we report this only every 12 hours.

so, instead we cache the values and report it every 20 seconds. on the carbon side,
it will just retain every 12 hours (since that is the whisper retention period).

there is also FlushInterval which I am not 100% sure has any effect. by default, the
write_graphite plugin waits for 1428 bytes to be accumulated. (https://manpages.debian.org/unstable/collectd-core/collectd.conf.5.en.html)

https://github.com/collectd/collectd/issues/2672
https://github.com/collectd/collectd/pull/1044

I found this syntax hidden deep inside https://www.cisco.com/c/en/us/td/docs/net_mgmt/virtual_topology_system/2_6_3/user_guide/Cisco_VTS_2_6_3_User_Guide/Cisco_VTS_2_6_1_User_Guide_chapter_01111.pdf
 2021-03-26 00:21:38 -07:00
Girish Ramakrishnan
eb47476c83 collectd: remove nginx status collection 
we don't use this at all
 2020-09-23 16:09:46 -07:00
Girish Ramakrishnan
037440034b Move collectd logs to platformdata and rotate it 2020-02-18 20:36:50 -08:00
Girish Ramakrishnan
2b484c0382 collect maildata size separately 2019-08-19 13:23:31 -07:00
Girish Ramakrishnan
0d7a3f43c4 Collect du information 2019-08-18 21:52:41 -07:00
Girish Ramakrishnan
5fe73c5a46 Replace df plugin with custom df plugin 
The built-in df plugin cannot do the following:
    * if we choose by type ext4, we want to skip devicemapper (on scaleway)
    * the MountPoint of the appsdata directory is not possible to know at install time

Fixes #398
 2017-08-11 01:39:51 -07:00