We are seeing a similar pattern after updating to 1.7.4.
Memory consumption has been ramping up, causing the host to run out of memory periodically.
Unfortunately we are not sure how to debug of circumvent this. Any hints are very welcome!

OS: CentOS 7
InfluxDB version: 1.7.4
Datasource: Icinga2

[Visit Topic](https://community.influxdata.com/t/memory-leak-in-influxdb-1-7-4/8889/2) to respond.