Package reactor.netty

Class Metrics

java.lang.Object
reactor.netty.Metrics
public class Metrics extends Object
Constants and utilities around metrics.
Since:
0.9
Author:
Violeta Georgieva

  • Field Details

    • REGISTRY

      public static final io.micrometer.core.instrument.MeterRegistry REGISTRY

    • OBSERVATION_KEY

      public static final String OBSERVATION_KEY
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    • OBSERVATION_REGISTRY

      public static io.micrometer.observation.ObservationRegistry OBSERVATION_REGISTRY

    • HTTP_SERVER_PREFIX

      public static final String HTTP_SERVER_PREFIX
      Name prefix that will be used for the HTTP server's metrics registered in Micrometer's global registry.
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    • HTTP_CLIENT_PREFIX

      public static final String HTTP_CLIENT_PREFIX
      Name prefix that will be used for the HTTP client's metrics registered in Micrometer's global registry.
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    • TCP_SERVER_PREFIX

      public static final String TCP_SERVER_PREFIX
      Name prefix that will be used for the TCP server's metrics registered in Micrometer's global registry.
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    • TCP_CLIENT_PREFIX

      public static final String TCP_CLIENT_PREFIX
      Name prefix that will be used for the TCP client's metrics registered in Micrometer's global registry.
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    • UDP_SERVER_PREFIX

      public static final String UDP_SERVER_PREFIX
      Name prefix that will be used for the UDP server's metrics registered in Micrometer's global registry.
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    • UDP_CLIENT_PREFIX

      public static final String UDP_CLIENT_PREFIX
      Name prefix that will be used for the UDP client's metrics registered in Micrometer's global registry.
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    • EVENT_LOOP_PREFIX

      public static final String EVENT_LOOP_PREFIX
      Name prefix that will be used for Event Loop Group metrics registered in Micrometer's global registry.
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    • CONNECTION_PROVIDER_PREFIX

      public static final String CONNECTION_PROVIDER_PREFIX
      Name prefix that will be used for the PooledConnectionProvider's metrics registered in Micrometer's global registry.
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    • BYTE_BUF_ALLOCATOR_PREFIX

      public static final String BYTE_BUF_ALLOCATOR_PREFIX
      Name prefix that will be used for the ByteBufAllocator's metrics registered in Micrometer's global registry.
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    • DATA_RECEIVED

      public static final String DATA_RECEIVED
      Amount of the data received, in bytes.
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    • DATA_SENT

      public static final String DATA_SENT
      Amount of the data sent, in bytes.
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    • ERRORS

      public static final String ERRORS
      Number of errors that occurred.
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    • TLS_HANDSHAKE_TIME

      public static final String TLS_HANDSHAKE_TIME
      Time spent for TLS handshake.
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    • CONNECT_TIME

      public static final String CONNECT_TIME
      Time spent for connecting to the remote address.
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    • DATA_RECEIVED_TIME

      public static final String DATA_RECEIVED_TIME
      Time spent in consuming incoming data.
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    • DATA_SENT_TIME

      public static final String DATA_SENT_TIME
      Time spent in sending outgoing data.
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    • RESPONSE_TIME

      public static final String RESPONSE_TIME
      Total time for the request/response.
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    • CONNECTIONS_TOTAL

      public static final String CONNECTIONS_TOTAL
      The number of all connections, whether they are active or idle.
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    • CONNECTIONS_ACTIVE

      public static final String CONNECTIONS_ACTIVE
      The number of connections that are currently in use.
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    • ADDRESS_RESOLVER

      public static final String ADDRESS_RESOLVER
      Time spent for resolving the address.
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    • TOTAL_CONNECTIONS

      public static final String TOTAL_CONNECTIONS
      The number of all connections, active or idle.
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    • ACTIVE_CONNECTIONS

      public static final String ACTIVE_CONNECTIONS
      The number of the connections that have been successfully acquired and are in active use.
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    • MAX_CONNECTIONS

      public static final String MAX_CONNECTIONS
      The maximum number of active connections that are allowed.
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    • IDLE_CONNECTIONS

      public static final String IDLE_CONNECTIONS
      The number of the idle connections.
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    • PENDING_CONNECTIONS

      public static final String PENDING_CONNECTIONS
      The number of requests that are waiting for a connection.
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    • MAX_PENDING_CONNECTIONS

      public static final String MAX_PENDING_CONNECTIONS
      The maximum number of requests that will be queued while waiting for a ready connection.
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    • ACTIVE_STREAMS

      public static final String ACTIVE_STREAMS
      The number of the active HTTP/2 streams.
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    • PENDING_STREAMS

      public static final String PENDING_STREAMS
      The number of requests that are waiting for opening HTTP/2 stream.
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    • USED_HEAP_MEMORY

      public static final String USED_HEAP_MEMORY
      The number of bytes reserved by heap buffer allocator.
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    • USED_DIRECT_MEMORY

      public static final String USED_DIRECT_MEMORY
      The number of bytes reserved by direct buffer allocator.
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    • ACTIVE_HEAP_MEMORY

      public static final String ACTIVE_HEAP_MEMORY
      The actual bytes consumed by in-use buffers allocated from heap buffer pools.
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    • ACTIVE_DIRECT_MEMORY

      public static final String ACTIVE_DIRECT_MEMORY
      The actual bytes consumed by in-use buffers allocated from direct buffer pools.
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    • HEAP_ARENAS

      public static final String HEAP_ARENAS
      The number of heap arenas.
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    • DIRECT_ARENAS

      public static final String DIRECT_ARENAS
      The number of direct arenas.
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    • THREAD_LOCAL_CACHES

      public static final String THREAD_LOCAL_CACHES
      The number of thread local caches.
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    • SMALL_CACHE_SIZE

      public static final String SMALL_CACHE_SIZE
      The size of the small cache.
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    • NORMAL_CACHE_SIZE

      public static final String NORMAL_CACHE_SIZE
      The size of the normal cache.
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    • CHUNK_SIZE

      public static final String CHUNK_SIZE
      The chunk size for an arena.
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    • PENDING_TASKS

      public static final String PENDING_TASKS
      The number of tasks that are pending for processing on an event loop.
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    • STREAMS_ACTIVE

      public static final String STREAMS_ACTIVE
      The number of active HTTP/2 streams.
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    • LOCAL_ADDRESS

      public static final String LOCAL_ADDRESS
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    • PROXY_ADDRESS

      public static final String PROXY_ADDRESS
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    • REMOTE_ADDRESS

      public static final String REMOTE_ADDRESS
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    • URI

      public static final String URI
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    • STATUS

      public static final String STATUS
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    • METHOD

      public static final String METHOD
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    • ID

      public static final String ID
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    • NAME

      public static final String NAME
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    • TYPE

      public static final String TYPE
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    • SUCCESS

      public static final String SUCCESS
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    • ERROR

      public static final String ERROR
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    • UNKNOWN

      public static final String UNKNOWN
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    • NA

      public static final String NA
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  • Constructor Details

    • Metrics

      public Metrics()

  • Method Details

    • currentObservation

      public static @Nullable io.micrometer.observation.Observation currentObservation(ContextView contextView)

    • formatSocketAddress

      public static String formatSocketAddress(SocketAddress socketAddress)

    • observationRegistry

      public static io.micrometer.observation.ObservationRegistry observationRegistry(io.micrometer.observation.ObservationRegistry observationRegistry)
      Set the ObservationRegistry to use in Reactor Netty for tracing related purposes.
      Returns:
      the previously configured registry.
      Since:
      1.1.6

    • updateContext

      public static Context updateContext(Context context, Object observation)

    • updateChannelContext

      public static @Nullable ContextView updateChannelContext(Channel channel, io.micrometer.observation.Observation observation)
      Updates the ContextView in the channel attributes with this Observation. When there is already Observation in the ContextView, then is will be set as a parent to this Observation.
      Parameters:
      channel - the channel
      observation - the Observation
      Returns:
      the previous Observation when exists otherwise null
      Since:
      1.1.1