envoyproxy module
Contains envoy proxy server stats
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envoyproxy.server.cluster_manager.active_clusters
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Number of currently active (warmed) clusters
type: integer
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envoyproxy.server.cluster_manager.cluster_added
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Total clusters added (either via static config or CDS)
type: integer
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envoyproxy.server.cluster_manager.cluster_modified
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Total clusters modified (via CDS)
type: integer
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envoyproxy.server.cluster_manager.cluster_removed
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Total clusters removed (via CDS)
type: integer
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envoyproxy.server.cluster_manager.warming_clusters
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Number of currently warming (not active) clusters
type: integer
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envoyproxy.server.cluster_manager.cluster_updated
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Total cluster updates
type: integer
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envoyproxy.server.cluster_manager.cluster_updated_via_merge
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Total cluster updates applied as merged updates
type: integer
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envoyproxy.server.cluster_manager.update_merge_cancelled
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Total merged updates that got cancelled and delivered early
type: integer
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envoyproxy.server.cluster_manager.update_out_of_merge_window
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Total updates which arrived out of a merge window
type: integer
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envoyproxy.server.filesystem.flushed_by_timer
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Total number of times internal flush buffers are written to a file due to flush timeout
type: integer
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envoyproxy.server.filesystem.reopen_failed
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Total number of times a file was failed to be opened
type: integer
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envoyproxy.server.filesystem.write_buffered
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Total number of times file data is moved to Envoys internal flush buffer
type: integer
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envoyproxy.server.filesystem.write_completed
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Total number of times a file was written
type: integer
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envoyproxy.server.filesystem.write_total_buffered
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Current total size of internal flush buffer in bytes
type: integer
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envoyproxy.server.filesystem.write_failed
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Total number of times an error occurred during a file write operation
type: integer
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envoyproxy.server.runtime.load_error
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Total number of load attempts that resulted in an error in any layer
type: integer
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envoyproxy.server.runtime.load_success
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Total number of load attempts that were successful at all layers
type: integer
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envoyproxy.server.runtime.num_keys
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Number of keys currently loaded
type: integer
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envoyproxy.server.runtime.override_dir_exists
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Total number of loads that did use an override directory
type: integer
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envoyproxy.server.runtime.override_dir_not_exists
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Total number of loads that did not use an override directory
type: integer
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envoyproxy.server.runtime.admin_overrides_active
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1 if any admin overrides are active otherwise 0
type: integer
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envoyproxy.server.runtime.deprecated_feature_use
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Total number of times deprecated features were used.
type: integer
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envoyproxy.server.runtime.num_layers
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Number of layers currently active (without loading errors)
type: integer
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envoyproxy.server.listener_manager.listener_added
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Total listeners added (either via static config or LDS)
type: integer
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envoyproxy.server.listener_manager.listener_create_failure
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Total failed listener object additions to workers
type: integer
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envoyproxy.server.listener_manager.listener_create_success
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Total listener objects successfully added to workers
type: integer
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envoyproxy.server.listener_manager.listener_modified
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Total listeners modified (via LDS)
type: integer
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envoyproxy.server.listener_manager.listener_removed
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Total listeners removed (via LDS)
type: integer
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envoyproxy.server.listener_manager.total_listeners_active
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Number of currently active listeners
type: integer
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envoyproxy.server.listener_manager.total_listeners_draining
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Number of currently draining listeners
type: integer
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envoyproxy.server.listener_manager.total_listeners_warming
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Number of currently warming listeners
type: integer
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envoyproxy.server.listener_manager.listener_stopped
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Total listeners stopped
type: integer
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envoyproxy.server.stats.overflow
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Total number of times Envoy cannot allocate a statistic due to a shortage of shared memory
type: integer
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envoyproxy.server.server.days_until_first_cert_expiring
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Number of days until the next certificate being managed will expire
type: integer
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envoyproxy.server.server.live
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1 if the server is not currently draining, 0 otherwise
type: integer
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envoyproxy.server.server.memory_allocated
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Current amount of allocated memory in bytes
type: integer
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envoyproxy.server.server.memory_heap_size
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Current reserved heap size in bytes
type: integer
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envoyproxy.server.server.parent_connections
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Total connections of the old Envoy process on hot restart
type: integer
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envoyproxy.server.server.total_connections
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Total connections of both new and old Envoy processes
type: integer
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envoyproxy.server.server.uptime
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Current server uptime in seconds
type: integer
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envoyproxy.server.server.version
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Integer represented version number based on SCM revision
type: integer
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envoyproxy.server.server.watchdog_mega_miss
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type: integer
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envoyproxy.server.server.watchdog_miss
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type: integer
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envoyproxy.server.server.hot_restart_epoch
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Current hot restart epoch
type: integer
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envoyproxy.server.server.concurrency
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Number of worker threads
type: integer
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envoyproxy.server.server.debug_assertion_failures
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type: integer
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envoyproxy.server.server.dynamic_unknown_fields
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Number of messages in dynamic configuration with unknown fields
type: integer
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envoyproxy.server.server.state
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Current state of the Server
type: integer
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envoyproxy.server.server.static_unknown_fields
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Number of messages in static configuration with unknown fields
type: integer
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envoyproxy.server.server.stats_recent_lookups
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type: integer
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envoyproxy.server.http2.header_overflow
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Total number of connections reset due to the headers being larger than Envoy::Http::Http2::ConnectionImpl::StreamImpl::MAX_HEADER_SIZE (63k)
type: integer
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envoyproxy.server.http2.headers_cb_no_stream
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Total number of errors where a header callback is called without an associated stream. This tracks an unexpected occurrence due to an as yet undiagnosed bug
type: integer
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envoyproxy.server.http2.rx_messaging_error
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Total number of invalid received frames that violated section 8 of the HTTP/2 spec. This will result in a tx_reset
type: integer
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envoyproxy.server.http2.rx_reset
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Total number of reset stream frames received by Envoy
type: integer
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envoyproxy.server.http2.too_many_header_frames
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Total number of times an HTTP2 connection is reset due to receiving too many headers frames. Envoy currently supports proxying at most one header frame for 100-Continue one non-100 response code header frame and one frame with trailers
type: integer
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envoyproxy.server.http2.trailers
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Total number of trailers seen on requests coming from downstream
type: integer
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envoyproxy.server.http2.tx_reset
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Total number of reset stream frames transmitted by Envoy
type: integer