managed-ledger/src/main/java/org/apache/bookkeeper/mledger/ManagedLedgerMXBean.java

/**
 * Copyright 2016 Yahoo Inc.
 *
 * Licensed 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.mledger;

import org.apache.bookkeeper.mledger.proto.PendingBookieOpsStats;

public interface ManagedLedgerMXBean {

    /**
     * @return the ManagedLedger name
     */
    String getName();

    /**
     * @return the total size of the messages in active ledgers (accounting for the multiple copies stored)
     */
    long getStoredMessagesSize();

    /**
     * @return the number of backlog messages for all the consumers
     */
    long getNumberOfMessagesInBacklog();

    /**
     * @return the msg/s rate of messages added
     */
    double getAddEntryMessagesRate();

    /**
     * @return the bytes/s rate of messages added
     */
    double getAddEntryBytesRate();

    /**
     * @return the msg/s rate of messages read
     */
    double getReadEntriesRate();

    /**
     * @return the bytes/s rate of messages read
     */
    double getReadEntriesBytesRate();

    /**
     * @return the rate of mark-delete ops/s
     */
    double getMarkDeleteRate();

    /**
     * @return the number of addEntry requests that succeeded
     */
    long getAddEntrySucceed();

    /**
     * @return the number of addEntry requests that failed
     */
    long getAddEntryErrors();

    /**
     * @return the number of readEntries requests that succeeded
     */
    long getReadEntriesSucceeded();

    /**
     * @return the number of readEntries requests that failed
     */
    long getReadEntriesErrors();

    // Entry size statistics

    double getEntrySizeAverage();

    long[] getEntrySizeBuckets();

    // Add entry latency statistics

    double getAddEntryLatencyAverageUsec();

    long[] getAddEntryLatencyBuckets();

    long[] getLedgerSwitchLatencyBuckets();

    double getLedgerSwitchLatencyAverageUsec();

    PendingBookieOpsStats getPendingBookieOpsStats();
}