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c6c7a65d
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c6c7a65d
authored
Jan 27, 2016
by
Johannes 'fish' Ziemke
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Link to suggestions for counting failed operations
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content/docs/practices/instrumentation.md
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@@ -32,6 +32,8 @@ this category.
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@@ -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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