com.sleepycat.je.rep.impl.node.FeederManagerStatDefinition Maven / Gradle / Ivy
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/*-
* Copyright (C) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This file was distributed by Oracle as part of a version of Oracle Berkeley
* DB Java Edition made available at:
*
* http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html
*
* Please see the LICENSE file included in the top-level directory of the
* appropriate version of Oracle Berkeley DB Java Edition for a copy of the
* license and additional information.
*/
package com.sleepycat.je.rep.impl.node;
import static com.sleepycat.je.utilint.StatDefinition.StatType.CUMULATIVE;
import com.sleepycat.je.utilint.StatDefinition;
/**
* Per-stat Metadata for HA Replay statistics.
*/
public class FeederManagerStatDefinition {
public static final String GROUP_NAME = "FeederManager";
public static final String GROUP_DESC =
"A feeder is a replication stream connection between a master and " +
"replica nodes.";
public static final String N_FEEDERS_CREATED_NAME =
"nFeedersCreated";
public static final String N_FEEDERS_CREATED_DESC =
"Number of Feeder threads since this node was started.";
public static final StatDefinition N_FEEDERS_CREATED =
new StatDefinition(
N_FEEDERS_CREATED_NAME,
N_FEEDERS_CREATED_DESC);
public static final String N_FEEDERS_SHUTDOWN_NAME =
"nFeedersShutdown";
public static final String N_FEEDERS_SHUTDOWN_DESC =
"Number of Feeder threads that were shut down, either because this " +
"node, or the Replica terminated the connection.";
public static final StatDefinition N_FEEDERS_SHUTDOWN =
new StatDefinition(
N_FEEDERS_SHUTDOWN_NAME,
N_FEEDERS_SHUTDOWN_DESC);
public static final String REPLICA_DELAY_MAP_NAME =
"replicaDelayMap";
public static final String REPLICA_DELAY_MAP_DESC =
"A map from replica node name to the most recently known delay, in " +
"milliseconds, between when a transaction was committed on the " +
"master and when the master learned that the change was " +
"processed on the replica, if known. Returns an empty map if " +
"this node is not the master. The delay represents the time " +
"that would be needed to receive a transaction acknowledgement.";
public static final StatDefinition REPLICA_DELAY_MAP =
new StatDefinition(
REPLICA_DELAY_MAP_NAME,
REPLICA_DELAY_MAP_DESC,
CUMULATIVE);
public static final String REPLICA_AVG_DELAY_MS_MAP_NAME =
"replicaAvgDelayMsMap";
public static final String REPLICA_AVG_DELAY_MS_MAP_DESC =
"A map from replica node name to the average for the current " +
"period of the delay, in milliseconds, between when a transaction " +
"was committed on the master and when the master learned that the " +
"change was processed on the replica, if known. Returns an empty " +
"map if this node is not the master.";
public static final StatDefinition REPLICA_AVG_DELAY_MS_MAP =
new StatDefinition(REPLICA_AVG_DELAY_MS_MAP_NAME,
REPLICA_AVG_DELAY_MS_MAP_DESC);
public static final String REPLICA_95_DELAY_MS_MAP_NAME =
"replica95DelayMsMap";
public static final String REPLICA_95_DELAY_MS_MAP_DESC =
"A map from replica node name to the 95th percentile value for the " +
"current period of the delay, in milliseconds, between when a " +
"transaction was committed on the master and when the master" +
"learned that the change was processed on the replica, if " +
"known. Returns an empty map if this node is not the master.";
public static final StatDefinition REPLICA_95_DELAY_MS_MAP =
new StatDefinition(REPLICA_95_DELAY_MS_MAP_NAME,
REPLICA_95_DELAY_MS_MAP_DESC);
public static final String REPLICA_99_DELAY_MS_MAP_NAME =
"replica99DelayMsMap";
public static final String REPLICA_99_DELAY_MS_MAP_DESC =
"A map from replica node name to the 99th percentile value for the " +
"current period of the delay, in milliseconds, between when a " +
"transaction was committed on the master and when the master" +
"learned that the change was processed on the replica, if " +
"known. Returns an empty map if this node is not the master.";
public static final StatDefinition REPLICA_99_DELAY_MS_MAP =
new StatDefinition(REPLICA_99_DELAY_MS_MAP_NAME,
REPLICA_99_DELAY_MS_MAP_DESC);
public static final String REPLICA_MAX_DELAY_MS_MAP_NAME =
"replicaMaxDelayMsMap";
public static final String REPLICA_MAX_DELAY_MS_MAP_DESC =
"A map from replica node name to the maximum value for the current " +
"period of the delay, in milliseconds, between when a " +
"transaction was committed on the master and when the master" +
"learned that the change was processed on the replica, if " +
"known. Returns an empty map if this node is not the master.";
public static final StatDefinition REPLICA_MAX_DELAY_MS_MAP =
new StatDefinition(REPLICA_MAX_DELAY_MS_MAP_NAME,
REPLICA_MAX_DELAY_MS_MAP_DESC);
public static final String REPLICA_LAST_COMMIT_TIMESTAMP_MAP_NAME =
"replicaLastCommitTimestampMap";
public static final String REPLICA_LAST_COMMIT_TIMESTAMP_MAP_DESC =
"A map from replica node name to the commit timestamp of the last " +
"committed transaction that was processed on the replica, if " +
"known. Returns an empty map if this node is not the master.";
public static final StatDefinition REPLICA_LAST_COMMIT_TIMESTAMP_MAP =
new StatDefinition(
REPLICA_LAST_COMMIT_TIMESTAMP_MAP_NAME,
REPLICA_LAST_COMMIT_TIMESTAMP_MAP_DESC,
CUMULATIVE);
public static final String REPLICA_LAST_COMMIT_VLSN_MAP_NAME =
"replicaLastCommitVLSNMap";
public static final String REPLICA_LAST_COMMIT_VLSN_MAP_DESC =
"A map from replica node name to the VLSN of the last committed " +
"transaction that was processed on the replica, if known. Returns" +
" an empty map if this node is not the master.";
public static final StatDefinition REPLICA_LAST_COMMIT_VLSN_MAP =
new StatDefinition(
REPLICA_LAST_COMMIT_VLSN_MAP_NAME,
REPLICA_LAST_COMMIT_VLSN_MAP_DESC,
CUMULATIVE);
public static final String REPLICA_VLSN_LAG_MAP_NAME =
"replicaVLSNLagMap";
public static final String REPLICA_VLSN_LAG_MAP_DESC =
"A map from replica node name to the lag, in VLSNs, between the " +
"replication state of the replica and the master, if known. " +
"Returns an empty map if this node is not the master.";
public static final StatDefinition REPLICA_VLSN_LAG_MAP =
new StatDefinition(
REPLICA_VLSN_LAG_MAP_NAME,
REPLICA_VLSN_LAG_MAP_DESC,
CUMULATIVE);
public static final String REPLICA_VLSN_RATE_MAP_NAME =
"replicaVLSNRateMap";
public static final String REPLICA_VLSN_RATE_MAP_DESC =
"A map from replica node name to a moving average of the rate, in " +
"VLSNs per minute, that the replica is processing replication " +
"data, if known. Returns an empty map if this node is not the " +
"master.";
public static final StatDefinition REPLICA_VLSN_RATE_MAP =
new StatDefinition(
REPLICA_VLSN_RATE_MAP_NAME,
REPLICA_VLSN_RATE_MAP_DESC);
}
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