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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.zookeeper.server;
import org.apache.zookeeper.metrics.Counter;
import org.apache.zookeeper.metrics.CounterSet;
import org.apache.zookeeper.metrics.MetricsContext;
import org.apache.zookeeper.metrics.MetricsContext.DetailLevel;
import org.apache.zookeeper.metrics.MetricsProvider;
import org.apache.zookeeper.metrics.Summary;
import org.apache.zookeeper.metrics.SummarySet;
import org.apache.zookeeper.metrics.impl.DefaultMetricsProvider;
import org.apache.zookeeper.metrics.impl.NullMetricsProvider;
import org.apache.zookeeper.server.util.QuotaMetricsUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class ServerMetrics {
private static final Logger LOG = LoggerFactory.getLogger(ServerMetrics.class);
/**
* Dummy instance useful for tests.
*/
public static final ServerMetrics NULL_METRICS = new ServerMetrics(NullMetricsProvider.INSTANCE);
/**
* Dummy instance useful for tests.
*/
public static final ServerMetrics DEFAULT_METRICS_FOR_TESTS = new ServerMetrics(new DefaultMetricsProvider());
/**
* Real instance used for tracking server side metrics. The final value is
* assigned after the {@link MetricsProvider} bootstrap.
*/
private static volatile ServerMetrics CURRENT = DEFAULT_METRICS_FOR_TESTS;
/**
* Access current ServerMetrics.
*
* @return a reference to the current Metrics
*/
public static ServerMetrics getMetrics() {
return CURRENT;
}
public static void metricsProviderInitialized(MetricsProvider metricsProvider) {
LOG.info("ServerMetrics initialized with provider {}", metricsProvider);
CURRENT = new ServerMetrics(metricsProvider);
}
private ServerMetrics(MetricsProvider metricsProvider) {
this.metricsProvider = metricsProvider;
MetricsContext metricsContext = this.metricsProvider.getRootContext();
FSYNC_TIME = metricsContext.getSummary("fsynctime", DetailLevel.BASIC);
SNAPSHOT_TIME = metricsContext.getSummary("snapshottime", DetailLevel.BASIC);
DB_INIT_TIME = metricsContext.getSummary("dbinittime", DetailLevel.BASIC);
READ_LATENCY = metricsContext.getSummary("readlatency", DetailLevel.ADVANCED);
UPDATE_LATENCY = metricsContext.getSummary("updatelatency", DetailLevel.ADVANCED);
PROPAGATION_LATENCY = metricsContext.getSummary("propagation_latency", DetailLevel.ADVANCED);
FOLLOWER_SYNC_TIME = metricsContext.getSummary("follower_sync_time", DetailLevel.BASIC);
OBSERVER_SYNC_TIME = metricsContext.getSummary("observer_sync_time", DetailLevel.BASIC);
ELECTION_TIME = metricsContext.getSummary("election_time", DetailLevel.BASIC);
LOOKING_COUNT = metricsContext.getCounter("looking_count");
DIFF_COUNT = metricsContext.getCounter("diff_count");
SNAP_COUNT = metricsContext.getCounter("snap_count");
COMMIT_COUNT = metricsContext.getCounter("commit_count");
CONNECTION_REQUEST_COUNT = metricsContext.getCounter("connection_request_count");
CONNECTION_TOKEN_DEFICIT = metricsContext.getSummary("connection_token_deficit", DetailLevel.BASIC);
CONNECTION_REJECTED = metricsContext.getCounter("connection_rejected");
INFLIGHT_SNAP_COUNT = metricsContext.getSummary("inflight_snap_count", DetailLevel.BASIC);
INFLIGHT_DIFF_COUNT = metricsContext.getSummary("inflight_diff_count", DetailLevel.BASIC);
WRITE_PER_NAMESPACE = metricsContext.getSummarySet("write_per_namespace", DetailLevel.BASIC);
READ_PER_NAMESPACE = metricsContext.getSummarySet("read_per_namespace", DetailLevel.BASIC);
BYTES_RECEIVED_COUNT = metricsContext.getCounter("bytes_received_count");
UNRECOVERABLE_ERROR_COUNT = metricsContext.getCounter("unrecoverable_error_count");
NODE_CREATED_WATCHER = metricsContext.getSummary("node_created_watch_count", DetailLevel.BASIC);
NODE_DELETED_WATCHER = metricsContext.getSummary("node_deleted_watch_count", DetailLevel.BASIC);
NODE_CHANGED_WATCHER = metricsContext.getSummary("node_changed_watch_count", DetailLevel.BASIC);
NODE_CHILDREN_WATCHER = metricsContext.getSummary("node_children_watch_count", DetailLevel.BASIC);
/*
* Number of dead watchers in DeadWatcherListener
*/
ADD_DEAD_WATCHER_STALL_TIME = metricsContext.getCounter("add_dead_watcher_stall_time");
DEAD_WATCHERS_QUEUED = metricsContext.getCounter("dead_watchers_queued");
DEAD_WATCHERS_CLEARED = metricsContext.getCounter("dead_watchers_cleared");
DEAD_WATCHERS_CLEANER_LATENCY = metricsContext.getSummary("dead_watchers_cleaner_latency", DetailLevel.ADVANCED);
RESPONSE_PACKET_CACHE_HITS = metricsContext.getCounter("response_packet_cache_hits");
RESPONSE_PACKET_CACHE_MISSING = metricsContext.getCounter("response_packet_cache_misses");
RESPONSE_PACKET_GET_CHILDREN_CACHE_HITS = metricsContext.getCounter("response_packet_get_children_cache_hits");
RESPONSE_PACKET_GET_CHILDREN_CACHE_MISSING = metricsContext.getCounter("response_packet_get_children_cache_misses");
ENSEMBLE_AUTH_SUCCESS = metricsContext.getCounter("ensemble_auth_success");
ENSEMBLE_AUTH_FAIL = metricsContext.getCounter("ensemble_auth_fail");
ENSEMBLE_AUTH_SKIP = metricsContext.getCounter("ensemble_auth_skip");
PREP_PROCESSOR_QUEUE_TIME = metricsContext.getSummary("prep_processor_queue_time_ms", DetailLevel.ADVANCED);
PREP_PROCESSOR_QUEUE_SIZE = metricsContext.getSummary("prep_processor_queue_size", DetailLevel.BASIC);
PREP_PROCESSOR_QUEUED = metricsContext.getCounter("prep_processor_request_queued");
OUTSTANDING_CHANGES_QUEUED = metricsContext.getCounter("outstanding_changes_queued");
OUTSTANDING_CHANGES_REMOVED = metricsContext.getCounter("outstanding_changes_removed");
PREP_PROCESS_TIME = metricsContext.getSummary("prep_process_time", DetailLevel.BASIC);
PROPOSAL_PROCESS_TIME = metricsContext.getSummary("proposal_process_time", DetailLevel.BASIC);
CLOSE_SESSION_PREP_TIME = metricsContext.getSummary("close_session_prep_time", DetailLevel.ADVANCED);
REVALIDATE_COUNT = metricsContext.getCounter("revalidate_count");
CONNECTION_DROP_COUNT = metricsContext.getCounter("connection_drop_count");
CONNECTION_REVALIDATE_COUNT = metricsContext.getCounter("connection_revalidate_count");
// Expiry queue stats
SESSIONLESS_CONNECTIONS_EXPIRED = metricsContext.getCounter("sessionless_connections_expired");
STALE_SESSIONS_EXPIRED = metricsContext.getCounter("stale_sessions_expired");
UNAVAILABLE_TIME = metricsContext.getSummary("unavailable_time", DetailLevel.BASIC);
LEADER_UNAVAILABLE_TIME = metricsContext.getSummary("leader_unavailable_time", DetailLevel.BASIC);
/*
* Number of requests that are in the session queue.
*/
REQUESTS_IN_SESSION_QUEUE = metricsContext.getSummary("requests_in_session_queue", DetailLevel.BASIC);
PENDING_SESSION_QUEUE_SIZE = metricsContext.getSummary("pending_session_queue_size", DetailLevel.BASIC);
/*
* Consecutive number of read requests that are in the session queue right after a commit request.
*/
READS_AFTER_WRITE_IN_SESSION_QUEUE = metricsContext.getSummary("reads_after_write_in_session_queue", DetailLevel.BASIC);
READ_ISSUED_FROM_SESSION_QUEUE = metricsContext.getSummary("reads_issued_from_session_queue", DetailLevel.BASIC);
SESSION_QUEUES_DRAINED = metricsContext.getSummary("session_queues_drained", DetailLevel.BASIC);
TIME_WAITING_EMPTY_POOL_IN_COMMIT_PROCESSOR_READ = metricsContext.getSummary("time_waiting_empty_pool_in_commit_processor_read_ms", DetailLevel.BASIC);
WRITE_BATCH_TIME_IN_COMMIT_PROCESSOR = metricsContext.getSummary("write_batch_time_in_commit_processor", DetailLevel.BASIC);
CONCURRENT_REQUEST_PROCESSING_IN_COMMIT_PROCESSOR = metricsContext.getSummary("concurrent_request_processing_in_commit_processor", DetailLevel.BASIC);
READS_QUEUED_IN_COMMIT_PROCESSOR = metricsContext.getSummary("read_commit_proc_req_queued", DetailLevel.BASIC);
WRITES_QUEUED_IN_COMMIT_PROCESSOR = metricsContext.getSummary("write_commit_proc_req_queued", DetailLevel.BASIC);
COMMITS_QUEUED_IN_COMMIT_PROCESSOR = metricsContext.getSummary("commit_commit_proc_req_queued", DetailLevel.BASIC);
COMMITS_QUEUED = metricsContext.getCounter("request_commit_queued");
READS_ISSUED_IN_COMMIT_PROC = metricsContext.getSummary("read_commit_proc_issued", DetailLevel.BASIC);
WRITES_ISSUED_IN_COMMIT_PROC = metricsContext.getSummary("write_commit_proc_issued", DetailLevel.BASIC);
THROTTLED_OPS = metricsContext.getCounter("throttled_ops");
/**
* Time spent by a read request in the commit processor.
*/
READ_COMMITPROC_TIME = metricsContext.getSummary("read_commitproc_time_ms", DetailLevel.ADVANCED);
/**
* Time spent by a write request in the commit processor.
*/
WRITE_COMMITPROC_TIME = metricsContext.getSummary("write_commitproc_time_ms", DetailLevel.ADVANCED);
/**
* Time spent by a committed request, for a locally issued write, in the
* commit processor.
*/
LOCAL_WRITE_COMMITTED_TIME = metricsContext.getSummary("local_write_committed_time_ms", DetailLevel.ADVANCED);
/**
* Time spent by a committed request for a write, issued by other server, in the
* commit processor.
*/
SERVER_WRITE_COMMITTED_TIME = metricsContext.getSummary("server_write_committed_time_ms", DetailLevel.ADVANCED);
COMMIT_PROCESS_TIME = metricsContext.getSummary("commit_process_time", DetailLevel.BASIC);
/**
* Observer Master processing metrics.
*/
OM_PROPOSAL_PROCESS_TIME = metricsContext.getSummary("om_proposal_process_time_ms", DetailLevel.ADVANCED);
OM_COMMIT_PROCESS_TIME = metricsContext.getSummary("om_commit_process_time_ms", DetailLevel.ADVANCED);
/**
* Time spent by the final processor. This is tracked in the commit processor.
*/
READ_FINAL_PROC_TIME = metricsContext.getSummary("read_final_proc_time_ms", DetailLevel.ADVANCED);
WRITE_FINAL_PROC_TIME = metricsContext.getSummary("write_final_proc_time_ms", DetailLevel.ADVANCED);
PROPOSAL_LATENCY = metricsContext.getSummary("proposal_latency", DetailLevel.ADVANCED);
PROPOSAL_ACK_CREATION_LATENCY = metricsContext.getSummary("proposal_ack_creation_latency", DetailLevel.ADVANCED);
COMMIT_PROPAGATION_LATENCY = metricsContext.getSummary("commit_propagation_latency", DetailLevel.ADVANCED);
LEARNER_PROPOSAL_RECEIVED_COUNT = metricsContext.getCounter("learner_proposal_received_count");
LEARNER_COMMIT_RECEIVED_COUNT = metricsContext.getCounter("learner_commit_received_count");
/**
* Learner handler quorum packet metrics.
*/
LEARNER_HANDLER_QP_SIZE = metricsContext.getSummarySet("learner_handler_qp_size", DetailLevel.BASIC);
LEARNER_HANDLER_QP_TIME = metricsContext.getSummarySet("learner_handler_qp_time_ms", DetailLevel.ADVANCED);
STARTUP_TXNS_LOADED = metricsContext.getSummary("startup_txns_loaded", DetailLevel.BASIC);
STARTUP_TXNS_LOAD_TIME = metricsContext.getSummary("startup_txns_load_time", DetailLevel.BASIC);
STARTUP_SNAP_LOAD_TIME = metricsContext.getSummary("startup_snap_load_time", DetailLevel.BASIC);
SYNC_PROCESSOR_QUEUE_AND_FLUSH_TIME = metricsContext.getSummary("sync_processor_queue_and_flush_time_ms", DetailLevel.ADVANCED);
SYNC_PROCESSOR_QUEUE_SIZE = metricsContext.getSummary("sync_processor_queue_size", DetailLevel.BASIC);
SYNC_PROCESSOR_QUEUED = metricsContext.getCounter("sync_processor_request_queued");
SYNC_PROCESSOR_QUEUE_TIME = metricsContext.getSummary("sync_processor_queue_time_ms", DetailLevel.ADVANCED);
SYNC_PROCESSOR_FLUSH_TIME = metricsContext.getSummary("sync_processor_queue_flush_time_ms", DetailLevel.ADVANCED);
SYNC_PROCESS_TIME = metricsContext.getSummary("sync_process_time", DetailLevel.BASIC);
BATCH_SIZE = metricsContext.getSummary("sync_processor_batch_size", DetailLevel.BASIC);
QUORUM_ACK_LATENCY = metricsContext.getSummary("quorum_ack_latency", DetailLevel.ADVANCED);
ACK_LATENCY = metricsContext.getSummarySet("ack_latency", DetailLevel.ADVANCED);
PROPOSAL_COUNT = metricsContext.getCounter("proposal_count");
QUIT_LEADING_DUE_TO_DISLOYAL_VOTER = metricsContext.getCounter("quit_leading_due_to_disloyal_voter");
STALE_REQUESTS = metricsContext.getCounter("stale_requests");
STALE_REQUESTS_DROPPED = metricsContext.getCounter("stale_requests_dropped");
STALE_REPLIES = metricsContext.getCounter("stale_replies");
REQUEST_THROTTLE_QUEUE_TIME = metricsContext.getSummary("request_throttle_queue_time_ms", DetailLevel.ADVANCED);
REQUEST_THROTTLE_WAIT_COUNT = metricsContext.getCounter("request_throttle_wait_count");
LARGE_REQUESTS_REJECTED = metricsContext.getCounter("large_requests_rejected");
NETTY_QUEUED_BUFFER = metricsContext.getSummary("netty_queued_buffer_capacity", DetailLevel.BASIC);
DIGEST_MISMATCHES_COUNT = metricsContext.getCounter("digest_mismatches_count");
LEARNER_REQUEST_PROCESSOR_QUEUE_SIZE = metricsContext.getSummary("learner_request_processor_queue_size", DetailLevel.BASIC);
UNSUCCESSFUL_HANDSHAKE = metricsContext.getCounter("unsuccessful_handshake");
INSECURE_ADMIN = metricsContext.getCounter("insecure_admin_count");
TLS_HANDSHAKE_EXCEEDED = metricsContext.getCounter("tls_handshake_exceeded");
CNXN_CLOSED_WITHOUT_ZK_SERVER_RUNNING = metricsContext.getCounter("cnxn_closed_without_zk_server_running");
SKIP_LEARNER_REQUEST_TO_NEXT_PROCESSOR_COUNT = metricsContext.getCounter("skip_learner_request_to_next_processor_count");
SOCKET_CLOSING_TIME = metricsContext.getSummary("socket_closing_time", DetailLevel.BASIC);
REQUESTS_NOT_FORWARDED_TO_COMMIT_PROCESSOR = metricsContext.getCounter(
"requests_not_forwarded_to_commit_processor");
RESPONSE_BYTES = metricsContext.getCounter("response_bytes");
WATCH_BYTES = metricsContext.getCounter("watch_bytes");
JVM_PAUSE_TIME = metricsContext.getSummary("jvm_pause_time_ms", DetailLevel.ADVANCED);
QUOTA_EXCEEDED_ERROR_PER_NAMESPACE = metricsContext.getCounterSet(QuotaMetricsUtils.QUOTA_EXCEEDED_ERROR_PER_NAMESPACE);
}
/**
* Txnlog fsync time
*/
public final Summary FSYNC_TIME;
/**
* Snapshot writing time
*/
public final Summary SNAPSHOT_TIME;
/**
* Db init time (snapshot loading + txnlog replay)
*/
public final Summary DB_INIT_TIME;
/**
* Stats for read request. The timing start from when the server see the
* request until it leave final request processor.
*/
public final Summary READ_LATENCY;
/**
* Stats for request that need quorum voting. Timing is the same as read
* request. We only keep track of stats for request that originated from
* this machine only.
*/
public final Summary UPDATE_LATENCY;
/**
* Stats for all quorum request. The timing start from when the leader see
* the request until it reach the learner.
*/
public final Summary PROPAGATION_LATENCY;
public final Summary FOLLOWER_SYNC_TIME;
public final Summary OBSERVER_SYNC_TIME;
public final Summary ELECTION_TIME;
public final Counter LOOKING_COUNT;
public final Counter DIFF_COUNT;
public final Counter SNAP_COUNT;
public final Counter COMMIT_COUNT;
public final Counter CONNECTION_REQUEST_COUNT;
public final Counter REVALIDATE_COUNT;
public final Counter CONNECTION_DROP_COUNT;
public final Counter CONNECTION_REVALIDATE_COUNT;
// Expiry queue stats
public final Counter SESSIONLESS_CONNECTIONS_EXPIRED;
public final Counter STALE_SESSIONS_EXPIRED;
public final Summary UNAVAILABLE_TIME;
public final Summary LEADER_UNAVAILABLE_TIME;
// Connection throttling related
public final Summary CONNECTION_TOKEN_DEFICIT;
public final Counter CONNECTION_REJECTED;
public final Summary INFLIGHT_SNAP_COUNT;
public final Summary INFLIGHT_DIFF_COUNT;
public final Counter UNRECOVERABLE_ERROR_COUNT;
public final SummarySet WRITE_PER_NAMESPACE;
public final SummarySet READ_PER_NAMESPACE;
public final Counter BYTES_RECEIVED_COUNT;
public final Summary PREP_PROCESSOR_QUEUE_TIME;
public final Summary PREP_PROCESSOR_QUEUE_SIZE;
public final Counter PREP_PROCESSOR_QUEUED;
public final Counter OUTSTANDING_CHANGES_QUEUED;
public final Counter OUTSTANDING_CHANGES_REMOVED;
public final Summary PREP_PROCESS_TIME;
public final Summary PROPOSAL_PROCESS_TIME;
public final Summary CLOSE_SESSION_PREP_TIME;
public final Summary PROPOSAL_LATENCY;
public final Summary PROPOSAL_ACK_CREATION_LATENCY;
public final Summary COMMIT_PROPAGATION_LATENCY;
public final Counter LEARNER_PROPOSAL_RECEIVED_COUNT;
public final Counter LEARNER_COMMIT_RECEIVED_COUNT;
public final Summary STARTUP_TXNS_LOADED;
public final Summary STARTUP_TXNS_LOAD_TIME;
public final Summary STARTUP_SNAP_LOAD_TIME;
public final Summary SYNC_PROCESSOR_QUEUE_AND_FLUSH_TIME;
public final Summary SYNC_PROCESSOR_QUEUE_SIZE;
public final Counter SYNC_PROCESSOR_QUEUED;
public final Summary SYNC_PROCESSOR_QUEUE_TIME;
public final Summary SYNC_PROCESSOR_FLUSH_TIME;
public final Summary SYNC_PROCESS_TIME;
public final Summary BATCH_SIZE;
public final Summary QUORUM_ACK_LATENCY;
public final SummarySet ACK_LATENCY;
public final Counter PROPOSAL_COUNT;
public final Counter QUIT_LEADING_DUE_TO_DISLOYAL_VOTER;
/**
* Fired watcher stats.
*/
public final Summary NODE_CREATED_WATCHER;
public final Summary NODE_DELETED_WATCHER;
public final Summary NODE_CHANGED_WATCHER;
public final Summary NODE_CHILDREN_WATCHER;
/*
* Number of dead watchers in DeadWatcherListener
*/
public final Counter ADD_DEAD_WATCHER_STALL_TIME;
public final Counter DEAD_WATCHERS_QUEUED;
public final Counter DEAD_WATCHERS_CLEARED;
public final Summary DEAD_WATCHERS_CLEANER_LATENCY;
/*
* Response cache hit and miss metrics.
*/
public final Counter RESPONSE_PACKET_CACHE_HITS;
public final Counter RESPONSE_PACKET_CACHE_MISSING;
public final Counter RESPONSE_PACKET_GET_CHILDREN_CACHE_HITS;
public final Counter RESPONSE_PACKET_GET_CHILDREN_CACHE_MISSING;
/**
* Learner handler quorum packet metrics.
*/
public final SummarySet LEARNER_HANDLER_QP_SIZE;
public final SummarySet LEARNER_HANDLER_QP_TIME;
/*
* Number of requests that are in the session queue.
*/
public final Summary REQUESTS_IN_SESSION_QUEUE;
public final Summary PENDING_SESSION_QUEUE_SIZE;
/*
* Consecutive number of read requests that are in the session queue right after a commit request.
*/
public final Summary READS_AFTER_WRITE_IN_SESSION_QUEUE;
public final Summary READ_ISSUED_FROM_SESSION_QUEUE;
public final Summary SESSION_QUEUES_DRAINED;
public final Summary TIME_WAITING_EMPTY_POOL_IN_COMMIT_PROCESSOR_READ;
public final Summary WRITE_BATCH_TIME_IN_COMMIT_PROCESSOR;
public final Summary CONCURRENT_REQUEST_PROCESSING_IN_COMMIT_PROCESSOR;
public final Summary READS_QUEUED_IN_COMMIT_PROCESSOR;
public final Summary WRITES_QUEUED_IN_COMMIT_PROCESSOR;
public final Summary COMMITS_QUEUED_IN_COMMIT_PROCESSOR;
public final Counter COMMITS_QUEUED;
public final Summary READS_ISSUED_IN_COMMIT_PROC;
public final Summary WRITES_ISSUED_IN_COMMIT_PROC;
// Request op throttling related
public final Counter THROTTLED_OPS;
/**
* Time spent by a read request in the commit processor.
*/
public final Summary READ_COMMITPROC_TIME;
/**
* Time spent by a write request in the commit processor.
*/
public final Summary WRITE_COMMITPROC_TIME;
/**
* Time spent by a committed request, for a locally issued write, in the
* commit processor.
*/
public final Summary LOCAL_WRITE_COMMITTED_TIME;
/**
* Time spent by a committed request for a write, issued by other server, in the
* commit processor.
*/
public final Summary SERVER_WRITE_COMMITTED_TIME;
public final Summary COMMIT_PROCESS_TIME;
/**
* Observer Master processing metrics.
*/
public final Summary OM_PROPOSAL_PROCESS_TIME;
public final Summary OM_COMMIT_PROCESS_TIME;
/**
* Time spent by the final processor. This is tracked in the commit processor.
*/
public final Summary READ_FINAL_PROC_TIME;
public final Summary WRITE_FINAL_PROC_TIME;
/*
* Number of successful matches of expected ensemble name in EnsembleAuthenticationProvider.
*/
public final Counter ENSEMBLE_AUTH_SUCCESS;
/*
* Number of unsuccessful matches of expected ensemble name in EnsembleAuthenticationProvider.
*/
public final Counter ENSEMBLE_AUTH_FAIL;
/*
* Number of client auth requests with no ensemble set in EnsembleAuthenticationProvider.
*/
public final Counter ENSEMBLE_AUTH_SKIP;
public final Counter STALE_REQUESTS;
public final Counter STALE_REQUESTS_DROPPED;
public final Counter STALE_REPLIES;
public final Summary REQUEST_THROTTLE_QUEUE_TIME;
public final Counter REQUEST_THROTTLE_WAIT_COUNT;
public final Counter LARGE_REQUESTS_REJECTED;
public final Summary NETTY_QUEUED_BUFFER;
// Total number of digest mismatches that are observed when applying
// txns to data tree.
public final Counter DIGEST_MISMATCHES_COUNT;
public final Summary LEARNER_REQUEST_PROCESSOR_QUEUE_SIZE;
public final Counter UNSUCCESSFUL_HANDSHAKE;
/*
* Number of insecure connections to admin port
*/
public final Counter INSECURE_ADMIN;
public final Counter TLS_HANDSHAKE_EXCEEDED;
public final Counter CNXN_CLOSED_WITHOUT_ZK_SERVER_RUNNING;
public final Counter SKIP_LEARNER_REQUEST_TO_NEXT_PROCESSOR_COUNT;
public final Summary SOCKET_CLOSING_TIME;
public final Counter REQUESTS_NOT_FORWARDED_TO_COMMIT_PROCESSOR;
/**
* Number of response/watch bytes written to clients.
*/
public final Counter RESPONSE_BYTES;
public final Counter WATCH_BYTES;
public final Summary JVM_PAUSE_TIME;
public final CounterSet QUOTA_EXCEEDED_ERROR_PER_NAMESPACE;
private final MetricsProvider metricsProvider;
public void resetAll() {
metricsProvider.resetAllValues();
}
public MetricsProvider getMetricsProvider() {
return metricsProvider;
}
}
