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HTTP2

Introduction

The endpoint /monitor/http2_state exposes metrics about HTTP2 protocol.

Metrics

Metric Description
H2_ERR_MAX_HEADER_LIST_SIZE Counter for reaching max size of header list
H2_ERR_MAX_HEADER_URI_SIZE Counter for reaching max size of header URI
H2_ERR_MAX_STREAM_PER_CONN Counter for reaching advertised concurrent stream limit
H2_ERR_GOT_RESET Counter for gettting RST_STREAM
H2_PANIC_CONN Counter for connection panic
H2_PANIC_STREAM Counter for stream panic
H2_REQ_HEADER_COMPRESS_SIZE Size of request header after compress
H2_REQ_HEADER_ORIGINAL_SIZE Size of request header before compress
H2_RES_HEADER_COMPRESS_SIZE Size of response header after compress
H2_RES_HEADER_ORIGINAL_SIZE Size of response header before compress
H2_TIMEOUT_CONN Counter for timeout of HTTP2 connection timeout
H2_TIMEOUT_PREFACE Counter for timeout of waiting for client preface
H2_TIMEOUT_READ_STREAM Counter for timeout of waiting for reading stream
H2_TIMEOUT_SETTING Counter for timeout of waiting for SETTINGS frames
H2_TIMEOUT_WRITE_STREAM Counter for timeout of waiting for writing stream