micrometer-metrics/micrometer
DNS, SSL, and TCP metrics for Apache HttpClient
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#1,617 opened on 2019/10/01
enhancementhelp wantedinstrumentationmodule: micrometer-core
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説明
Add metrics for:
- DNS resolution time (inject custom
DnsResolver, delegating to the user-provided resolver, and timing). - SSL handshake time (inject
SSLConnectionSocketFactory, delegating). - TCP connect time (also in custom
SSLConnectionSocketFactory).
Apply these on custom PoolingHttpClientConnectionManager.
Feedback suggests that DNS resolution/SSL handshake can go up dramatically in noisy neighbor situations.
Originally posted by @jkschneider in https://github.com/micrometer-metrics/micrometer/issues/533#issuecomment-446713248