Data loss when max-cache-memory-size exceeded?

When we see max-cache-memory-size exceeded errors in our influxdb logs, does this mean that there are data points actually being dropped, and never written to influxdb?
Using influxdb 1.4.

Hello @Dyanne_Ostlind,
Can you please share the exact error you’re getting?
If it’s this error:
They’re not being written.

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So, if we are sending data to influxdb via telegraf, are those data points literally lost, or does telegraf cache them?

Hello @Dyanne_Ostlind,
Telegraf caches metrics: