Commit 4bd0973b authored by Tobias Schmidt's avatar Tobias Schmidt

Merge pull request #308 from prometheus/fish/pratice-operation-counters

Add best pratice around operation counters
parents 873c68b6 c6c7a65d
...@@ -32,6 +32,8 @@ this category. ...@@ -32,6 +32,8 @@ this category.
The key metrics in such a system are the number of performed queries, errors, The key metrics in such a system are the number of performed queries, errors,
and latency. The number of in-progress requests can also be useful. and latency. The number of in-progress requests can also be useful.
For counting failed queries, see section [Failures](#failures) below.
Online-serving systems should be monitored on both the client and server side. Online-serving systems should be monitored on both the client and server side.
If the two sides see different behaviors, that is very useful information for debugging. If the two sides see different behaviors, that is very useful information for debugging.
If a service has many clients, it is also not practical for the service to track them If a service has many clients, it is also not practical for the service to track them
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