[v1.38] http2: add header map stats histograms#45536
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Add histograms for HTTP/2 header map stats. * header_count - total count of header entries received (including individual ``cookie`` headers) * header_list_size - total byte size of header map entries, total length of the re-assembled ``cookie`` * cookie_count - count of individual ``cookie`` headers. * cookie_size - size of re-assembled ``cookie`` headers. Histograms are disabled by default and can be enabled by setting the runtime guard ``envoy.reloadable_features.http2_record_histograms`` to ``true``. Risk Level: low Testing: unit tests Docs Changes: yes Release Notes: yes Platform Specific Features: no Runtime guard: envoy.reloadable_features.http2_record_histograms --------- Signed-off-by: Yan Avlasov <yavlasov@google.com>
botengyao
approved these changes
Jun 10, 2026
nezdolik
approved these changes
Jun 10, 2026
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Add histograms for HTTP/2 header map stats.
cookieheaders)cookiecookieheaders.cookieheaders.Histograms are disabled by default and can be enabled by setting the runtime guard
envoy.reloadable_features.http2_record_histogramstotrue.Risk Level: low
Testing: unit tests
Docs Changes: yes
Release Notes: yes
Platform Specific Features: no
Runtime guard: envoy.reloadable_features.http2_record_histograms