content: /*
   *
   * 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.bookkeeper.replication;
  
  /**
   * Replication statistics.
   */
  public interface ReplicationStats {
  
      String REPLICATION_SCOPE = "replication";
  
      String AUDITOR_SCOPE = "auditor";
      String ELECTION_ATTEMPTS = "election_attempts";
      String NUM_UNDER_REPLICATED_LEDGERS = "NUM_UNDER_REPLICATED_LEDGERS";
      String UNDER_REPLICATED_LEDGERS_TOTAL_SIZE = "UNDER_REPLICATED_LEDGERS_TOTAL_SIZE";
      String URL_PUBLISH_TIME_FOR_LOST_BOOKIE = "URL_PUBLISH_TIME_FOR_LOST_BOOKIE";
      String BOOKIE_TO_LEDGERS_MAP_CREATION_TIME = "BOOKIE_TO_LEDGERS_MAP_CREATION_TIME";
      String CHECK_ALL_LEDGERS_TIME = "CHECK_ALL_LEDGERS_TIME";
      String PLACEMENT_POLICY_CHECK_TIME = "PLACEMENT_POLICY_CHECK_TIME";
      String REPLICAS_CHECK_TIME = "REPLICAS_CHECK_TIME";
      String AUDIT_BOOKIES_TIME = "AUDIT_BOOKIES_TIME";
      String NUM_FRAGMENTS_PER_LEDGER = "NUM_FRAGMENTS_PER_LEDGER";
      String NUM_BOOKIES_PER_LEDGER = "NUM_BOOKIES_PER_LEDGER";
      String NUM_LEDGERS_CHECKED = "NUM_LEDGERS_CHECKED";
      String NUM_BOOKIE_AUDITS_DELAYED = "NUM_BOOKIE_AUDITS_DELAYED";
      String NUM_DELAYED_BOOKIE_AUDITS_DELAYES_CANCELLED = "NUM_DELAYED_BOOKIE_AUDITS_CANCELLED";
      String NUM_LEDGERS_NOT_ADHERING_TO_PLACEMENT_POLICY = "NUM_LEDGERS_NOT_ADHERING_TO_PLACEMENT_POLICY";
      String NUM_LEDGERS_SOFTLY_ADHERING_TO_PLACEMENT_POLICY = "NUM_LEDGERS_SOFTLY_ADHERING_TO_PLACEMENT_POLICY";
      String NUM_UNDERREPLICATED_LEDGERS_ELAPSED_RECOVERY_GRACE_PERIOD =
              "NUM_UNDERREPLICATED_LEDGERS_ELAPSED_RECOVERY_GRACE_PERIOD";
      String NUM_LEDGERS_HAVING_NO_REPLICA_OF_AN_ENTRY = "NUM_LEDGERS_HAVING_NO_REPLICA_OF_AN_ENTRY";
      String NUM_LEDGERS_HAVING_LESS_THAN_AQ_REPLICAS_OF_AN_ENTRY =
              "NUM_LEDGERS_HAVING_LESS_THAN_AQ_REPLICAS_OF_AN_ENTRY";
      String NUM_LEDGERS_HAVING_LESS_THAN_WQ_REPLICAS_OF_AN_ENTRY =
              "NUM_LEDGERS_HAVING_LESS_THAN_WQ_REPLICAS_OF_AN_ENTRY";
  
      String REPLICATION_WORKER_SCOPE = "replication_worker";
      String REREPLICATE_OP = "rereplicate";
      String NUM_FULL_OR_PARTIAL_LEDGERS_REPLICATED = "NUM_FULL_OR_PARTIAL_LEDGERS_REPLICATED";
      String NUM_ENTRIES_READ = "NUM_ENTRIES_READ";
      String NUM_BYTES_READ = "NUM_BYTES_READ";
      String NUM_ENTRIES_WRITTEN = "NUM_ENTRIES_WRITTEN";
      String NUM_BYTES_WRITTEN = "NUM_BYTES_WRITTEN";
      String READ_DATA_LATENCY = "READ_DATA_LATENCY";
      String WRITE_DATA_LATENCY = "WRITE_DATA_LATENCY";
      String REPLICATE_EXCEPTION = "exceptions";
      String NUM_DEFER_LEDGER_LOCK_RELEASE_OF_FAILED_LEDGER = "NUM_DEFER_LEDGER_LOCK_RELEASE_OF_FAILED_LEDGER";
      String NUM_ENTRIES_UNABLE_TO_READ_FOR_REPLICATION = "NUM_ENTRIES_UNABLE_TO_READ_FOR_REPLICATION";
      String NUM_NOT_ADHERING_PLACEMENT_LEDGERS_REPLICATED = "NUM_NOT_ADHERING_PLACEMENT_LEDGERS_REPLICATED";
      String NUM_SKIPPING_CHECK_TASK_TIMES = "NUM_SKIPPING_CHECK_TASK_TIMES";
  }
  