http2_state monitor state of HTTP2.
| Monitor Item | Description |
|---|---|
| H2_CONN_OVERLOAD | Counter for exceeding connection rate limit |
| H2_ERR_GOT_RESET | Counter for gettting RST_STREAM |
| 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_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_REQ_OVERLOAD | Counter for exceeding request rate limit |
| 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 |