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Apache HTTP client instrumentation

See original GitHub issue

It looks like there is already OkHttp instrumentation (which isn’t documented as far as I can tell). It would be nice if there were also instrumentation for the Apache HTTP client. This would help achieve HTTP client instrumentation in cases where people are using the HTTP client directly (instead of through RestTemplate in a Spring application) or for things like the Elasticsearch Java Low Level REST.

Issue Analytics

State:
Created 5 years ago
Reactions:19
Comments:9 (6 by maintainers)

Top GitHub Comments

11reactions

benhubertcommented, Dec 19, 2018

Would be great to also have metrics for monitoring the connection pools of the PoolingHttpClientConnectionManager.

When enabling DEBUG output for org.apache.http.impl.conn.PoolingHttpClientConnectionManager, you can see numbers such as this line in your log file: [total kept alive: 2; route allocated: 2 of 10; total allocated: 2 of 50]. It would be very helpful, if we could monitor these numbes using Micrometer/Prometheus.

8reactions

benhubertcommented, Jan 2, 2019

Just want to inform you, that we have a solution for monitoring the connection pools here at @willhaben. I’ll contribute it as soon as we tested it with one of our applications.

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