com.sleepycat.je.rep.impl.node.ReplayStatDefinition 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 com.sleepycat.je.utilint.StatDefinition;
/**
* Per-stat Metadata for HA Replay statistics.
*/
public class ReplayStatDefinition {
public static final String GROUP_NAME = "Replay";
public static final String GROUP_DESC = "The Replay unit applies the " +
"incoming replication stream at a Replica. These stats show the " +
"load the Replica incurs when processing updates.";
public static final String N_COMMITS_NAME =
"nCommits";
public static final String N_COMMITS_DESC =
"Number of Commits replayed by the Replica.";
public static final StatDefinition N_COMMITS =
new StatDefinition(
N_COMMITS_NAME,
N_COMMITS_DESC);
public static final String N_GROUP_COMMIT_TIMEOUTS_NAME =
"nGroupCommitTimeouts";
public static final String N_GROUP_COMMIT_TIMEOUTS_DESC =
"Number of group commits that were initiated due to the group timeout" +
" interval(ReplicationConfig.REPLICA_GROUP_COMMIT_INTERVAL) being" +
" exceeded.";
public static final StatDefinition N_GROUP_COMMIT_TIMEOUTS =
new StatDefinition(
N_GROUP_COMMIT_TIMEOUTS_NAME,
N_GROUP_COMMIT_TIMEOUTS_DESC);
public static final String N_GROUP_COMMIT_MAX_EXCEEDED_NAME =
"nGroupCommitMaxExceeded";
public static final String N_GROUP_COMMIT_MAX_EXCEEDED_DESC =
"Number of group commits that were initiated due to the max group " +
"size(ReplicationConfig.REPLICA_MAX_GROUP_COMMIT) being exceeded.";
public static final StatDefinition N_GROUP_COMMIT_MAX_EXCEEDED =
new StatDefinition(
N_GROUP_COMMIT_MAX_EXCEEDED_NAME,
N_GROUP_COMMIT_MAX_EXCEEDED_DESC);
public static final String N_GROUP_COMMIT_TXNS_NAME =
"nGroupCommitTxns";
public static final String N_GROUP_COMMIT_TXNS_DESC =
"Number of replay transaction commits that were part of a group " +
"commit operation.";
public static final StatDefinition N_GROUP_COMMIT_TXNS =
new StatDefinition(
N_GROUP_COMMIT_TXNS_NAME,
N_GROUP_COMMIT_TXNS_DESC);
public static final String N_GROUP_COMMITS_NAME =
"nGroupCommits";
public static final String N_GROUP_COMMITS_DESC =
"Number of group commit operations.";
public static final StatDefinition N_GROUP_COMMITS =
new StatDefinition(
N_GROUP_COMMITS_NAME,
N_GROUP_COMMITS_DESC);
public static final String N_COMMIT_ACKS_NAME =
"nCommitAcks";
public static final String N_COMMIT_ACKS_DESC =
"Number of commits for which the Master requested an ack.";
public static final StatDefinition N_COMMIT_ACKS =
new StatDefinition(
N_COMMIT_ACKS_NAME,
N_COMMIT_ACKS_DESC);
public static final String N_COMMIT_SYNCS_NAME =
"nCommitSyncs";
public static final String N_COMMIT_SYNCS_DESC =
"Number of CommitSyncs used to satisfy ack requests. Note that user " +
"level commit sync requests may be optimized into CommitNoSync " +
"requests as part of a group commit.";
public static final StatDefinition N_COMMIT_SYNCS =
new StatDefinition(
N_COMMIT_SYNCS_NAME,
N_COMMIT_SYNCS_DESC);
public static final String N_COMMIT_NO_SYNCS_NAME =
"nCommitNoSyncs";
public static final String N_COMMIT_NO_SYNCS_DESC =
"Number of CommitNoSyncs used to satisfy ack requests.";
public static final StatDefinition N_COMMIT_NO_SYNCS =
new StatDefinition(
N_COMMIT_NO_SYNCS_NAME,
N_COMMIT_NO_SYNCS_DESC);
public static final String N_COMMIT_WRITE_NO_SYNCS_NAME =
"nCommitWriteNoSyncs";
public static final String N_COMMIT_WRITE_NO_SYNCS_DESC =
"Number of CommitWriteNoSyncs used to satisfy ack requests.";
public static final StatDefinition N_COMMIT_WRITE_NO_SYNCS =
new StatDefinition(
N_COMMIT_WRITE_NO_SYNCS_NAME,
N_COMMIT_WRITE_NO_SYNCS_DESC);
public static final String N_ABORTS_NAME =
"nAborts";
public static final String N_ABORTS_DESC =
"Number of Aborts replayed by the Replica.";
public static final StatDefinition N_ABORTS =
new StatDefinition(
N_ABORTS_NAME,
N_ABORTS_DESC);
public static final String N_LNS_NAME =
"nLNs";
public static final String N_LNS_DESC =
"Number of LNs.";
public static final StatDefinition N_LNS =
new StatDefinition(
N_LNS_NAME,
N_LNS_DESC);
public static final String N_NAME_LNS_NAME =
"nNameLNs";
public static final String N_NAME_LNS_DESC =
"Number of Name LNs.";
public static final StatDefinition N_NAME_LNS =
new StatDefinition(
N_NAME_LNS_NAME,
N_NAME_LNS_DESC);
public static final String N_MESSAGE_QUEUE_OVERFLOWS_NAME =
"nMessageQueueOverflows";
public static final String N_MESSAGE_QUEUE_OVERFLOWS_DESC =
"Number of failed attempts to place an entry in the replica message " +
"queue due to the queue being full.";
public static final StatDefinition N_MESSAGE_QUEUE_OVERFLOWS =
new StatDefinition(
N_MESSAGE_QUEUE_OVERFLOWS_NAME,
N_MESSAGE_QUEUE_OVERFLOWS_DESC);
public static final String MIN_COMMIT_PROCESSING_NANOS_NAME =
"minCommitProcessingNanos";
public static final String MIN_COMMIT_PROCESSING_NANOS_DESC =
"Minimum nanosecs for commit processing";
public static final StatDefinition MIN_COMMIT_PROCESSING_NANOS =
new StatDefinition(
MIN_COMMIT_PROCESSING_NANOS_NAME,
MIN_COMMIT_PROCESSING_NANOS_DESC);
public static final String MAX_COMMIT_PROCESSING_NANOS_NAME =
"maxCommitProcessingNanos";
public static final String MAX_COMMIT_PROCESSING_NANOS_DESC =
"Maximum nanosecs for commit processing";
public static final StatDefinition MAX_COMMIT_PROCESSING_NANOS =
new StatDefinition(
MAX_COMMIT_PROCESSING_NANOS_NAME,
MAX_COMMIT_PROCESSING_NANOS_DESC);
public static final String TOTAL_COMMIT_PROCESSING_NANOS_NAME =
"totalCommitProcessingNanos";
public static final String TOTAL_COMMIT_PROCESSING_NANOS_DESC =
"Total nanosecs for commit processing";
public static final StatDefinition TOTAL_COMMIT_PROCESSING_NANOS =
new StatDefinition(
TOTAL_COMMIT_PROCESSING_NANOS_NAME,
TOTAL_COMMIT_PROCESSING_NANOS_DESC);
public static final String LATEST_COMMIT_LAG_MS_NAME =
"latestCommitLagMs";
public static final String LATEST_COMMIT_LAG_MS_DESC =
"Time in msec between when the latest update operation committed on " +
"the master and then subsequently committed on the replica. This " +
"value is affected by any clock skew between the master and the " +
"replica.";
public static final StatDefinition LATEST_COMMIT_LAG_MS =
new StatDefinition(
LATEST_COMMIT_LAG_MS_NAME,
LATEST_COMMIT_LAG_MS_DESC);
public static final String REPLAY_QUEUE_AVG_DELAY_MS_NAME =
"replayQueueAvgDelayMs";
public static final String REPLAY_QUEUE_AVG_DELAY_MS_DESC =
"The average time in milliseconds between when the replica receives " +
"a replication entry and when the entry is read from the replay " +
"queue by the replay thread.";
public static final StatDefinition REPLAY_QUEUE_AVG_DELAY_MS =
new StatDefinition(REPLAY_QUEUE_AVG_DELAY_MS_NAME,
REPLAY_QUEUE_AVG_DELAY_MS_DESC);
public static final String REPLAY_QUEUE_95_DELAY_MS_NAME =
"replayQueue95DelayMs";
public static final String REPLAY_QUEUE_95_DELAY_MS_DESC =
"The 95th percentile value of the time in milliseconds between when " +
"the replica receives a replication entry and when the entry is " +
"read from the replay queue by the replay thread.";
public static final StatDefinition REPLAY_QUEUE_95_DELAY_MS =
new StatDefinition(REPLAY_QUEUE_95_DELAY_MS_NAME,
REPLAY_QUEUE_95_DELAY_MS_DESC);
public static final String REPLAY_QUEUE_99_DELAY_MS_NAME =
"replayQueue99DelayMs";
public static final String REPLAY_QUEUE_99_DELAY_MS_DESC =
"The 99th percentile value of the time in milliseconds between when " +
"the replica receives a replication entry and when the entry is " +
"read from the replay queue by the replay thread.";
public static final StatDefinition REPLAY_QUEUE_99_DELAY_MS =
new StatDefinition(REPLAY_QUEUE_99_DELAY_MS_NAME,
REPLAY_QUEUE_99_DELAY_MS_DESC);
public static final String REPLAY_QUEUE_MAX_DELAY_MS_NAME =
"replayQueueMaxDelayMs";
public static final String REPLAY_QUEUE_MAX_DELAY_MS_DESC =
"The maximum time in milliseconds between when the replica " +
"receives a replication entry and when the entry is read from the " +
"replay queue by the replay thread.";
public static final StatDefinition REPLAY_QUEUE_MAX_DELAY_MS =
new StatDefinition(REPLAY_QUEUE_MAX_DELAY_MS_NAME,
REPLAY_QUEUE_MAX_DELAY_MS_DESC);
public static final String OUTPUT_QUEUE_AVG_DELAY_MS_NAME =
"outputQueueAvgDelayMs";
public static final String OUTPUT_QUEUE_AVG_DELAY_MS_DESC =
"The average time in milliseconds between when the replay thread " +
"places a response in the output queue and when the entry is read " +
"from the queue in preparation for sending it to the feeder by the " +
"output thread.";
public static final StatDefinition OUTPUT_QUEUE_AVG_DELAY_MS =
new StatDefinition(OUTPUT_QUEUE_AVG_DELAY_MS_NAME,
OUTPUT_QUEUE_AVG_DELAY_MS_DESC);
public static final String OUTPUT_QUEUE_95_DELAY_MS_NAME =
"outputQueue95DelayMs";
public static final String OUTPUT_QUEUE_95_DELAY_MS_DESC =
"The 95th percentile value of the time in milliseconds between when " +
"the replay thread places a response in the output queue and when " +
"the entry is read from the queue in preparation for sending it to " +
"the feeder by the output thread.";
public static final StatDefinition OUTPUT_QUEUE_95_DELAY_MS =
new StatDefinition(OUTPUT_QUEUE_95_DELAY_MS_NAME,
OUTPUT_QUEUE_95_DELAY_MS_DESC);
public static final String OUTPUT_QUEUE_99_DELAY_MS_NAME =
"outputQueue99DelayMs";
public static final String OUTPUT_QUEUE_99_DELAY_MS_DESC =
"The 99th percentile value of the time in milliseconds between when " +
"the replay thread places a response in the output queue and when " +
"the entry is read from the queue in preparation for sending it to " +
"the feeder by the output thread.";
public static final StatDefinition OUTPUT_QUEUE_99_DELAY_MS =
new StatDefinition(OUTPUT_QUEUE_99_DELAY_MS_NAME,
OUTPUT_QUEUE_99_DELAY_MS_DESC);
public static final String OUTPUT_QUEUE_MAX_DELAY_MS_NAME =
"outputQueueMaxDelayMs";
public static final String OUTPUT_QUEUE_MAX_DELAY_MS_DESC =
"The maximum time in milliseconds between when the replay thread " +
"places a response in the output queue and when the entry is read " +
"from the queue in preparation for sending it to the feeder by the " +
"output thread.";
public static final StatDefinition OUTPUT_QUEUE_MAX_DELAY_MS =
new StatDefinition(OUTPUT_QUEUE_MAX_DELAY_MS_NAME,
OUTPUT_QUEUE_MAX_DELAY_MS_DESC);
public static final String ELAPSED_TXN_AVG_MS_NAME = "elapsedTxnAvgMs";
public static final String ELAPSED_TXN_AVG_MS_DESC =
"The average time in milliseconds to process a transaction.";
public static final StatDefinition ELAPSED_TXN_AVG_MS =
new StatDefinition(ELAPSED_TXN_AVG_MS_NAME,
ELAPSED_TXN_AVG_MS_DESC);
public static final String ELAPSED_TXN_95_MS_NAME = "elapsedTxn95Ms";
public static final String ELAPSED_TXN_95_MS_DESC =
"The 95th percentile value of the time in milliseconds to process " +
"a transaction.";
public static final StatDefinition ELAPSED_TXN_95_MS =
new StatDefinition(ELAPSED_TXN_95_MS_NAME,
ELAPSED_TXN_95_MS_DESC);
public static final String ELAPSED_TXN_99_MS_NAME = "elapsedTxn99Ms";
public static final String ELAPSED_TXN_99_MS_DESC =
"The 99th percentile value of the time in milliseconds to process " +
"a transaction.";
public static final StatDefinition ELAPSED_TXN_99_MS =
new StatDefinition(ELAPSED_TXN_99_MS_NAME,
ELAPSED_TXN_99_MS_DESC);
public static final String ELAPSED_TXN_MAX_MS_NAME = "elapsedTxnMaxMs";
public static final String ELAPSED_TXN_MAX_MS_DESC =
"The maximum time in milliseconds to process a transaction.";
public static final StatDefinition ELAPSED_TXN_MAX_MS =
new StatDefinition(ELAPSED_TXN_MAX_MS_NAME,
ELAPSED_TXN_MAX_MS_DESC);
}
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