Hello all!
Lately I started getting this issue often:
Template variable service failed InfluxDB Error: Gateway Time-out
Where out of nowhere my Grafana board would stop working and throw red errors like that.
<html><body><h1>504 Gateway Time-out</h1> The server didn't respond in time. </body></html>
Object
message:"InfluxDB Error: Gateway Time-out"
data:Object
error:"Gateway Time-out"
response:"<html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>
"
message:"<html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>
"
config:Object
method:"GET"
url:"api/datasources/proxy/2742/query"
params:Object
data:null
precision:"ms"
inspect:Object
paramSerializer:function(e){…}
headers:Object
retry:0
hideFromInspector:false
Previously that error happened once or twice in months, but all of a sudden I keep getting this error every day, and I am not sure how to handle it.
Server which holds influxdb data seems fine, with plenty of memory.
Hopefully someone can push me on the right path 
