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/* This file is part of VoltDB.
* Copyright (C) 2008-2020 VoltDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with VoltDB. If not, see .
*/
package org.voltdb;
/**
* Defines which stats should be collected when this enum is passed as an argument to the procedure {@code @Statistics}
*/
public enum StatsSelector {
TABLE,
INDEX,
PROCEDURE,
STARVATION,
QUEUE,
IDLETIME(STARVATION),
INITIATOR,
LATENCY(false),
LATENCY_COMPRESSED, // before V7.3 this was @Statistics LATENCY
LATENCY_HISTOGRAM,
PARTITIONCOUNT,
IOSTATS,
MEMORY, // info about node's memory usage
LIVECLIENTS, // info about the currently connected clients
PLANNER, // info about planner and EE performance and cache usage
CPU, // return CPU Stats
MANAGEMENT(MEMORY, INITIATOR, PROCEDURE, IOSTATS, TABLE, INDEX, STARVATION, QUEUE, CPU), // Returns pretty much everything
SNAPSHOTSTATUS(false),
SNAPSHOTSUMMARY(false),
PROCEDUREPROFILE(PROCEDURE), // performs an aggregation of the procedure statistics
PROCEDUREINPUT(PROCEDURE),
PROCEDUREOUTPUT(PROCEDURE),
PROCEDUREDETAIL(PROCEDURE), // provides more granular statistics for procedure calls at a per-statement level.
/*
* DRPRODUCERPARTITION, DRPRODUCERNODE and DRPRODUCERCLUSTER are internal names
* Externally the selector is "DRPRODUCER", or just "DR"
*/
DRPRODUCERPARTITION(false),
DRPRODUCERNODE(false),
DRPRODUCERCLUSTER(false),
DR(DRPRODUCERPARTITION, DRPRODUCERNODE, DRPRODUCERCLUSTER),
DRPRODUCER(DR.subSelectors()),
DRCONSUMERCLUSTER(false),
DRCONSUMERNODE(false),
DRCONSUMERPARTITION(false),
DRCONSUMER(DRCONSUMERNODE, DRCONSUMERPARTITION, DRCONSUMERCLUSTER),
DRROLE(false),
TOPO, // return leader and site info for iv2
TTL, // return time to live info
REBALANCE, // return elastic rebalance progress
KSAFETY, // return ksafety coverage information
GC, // return GC Stats
COMMANDLOG(false), // return number of outstanding bytes and txns on this node
IMPORTER, // synonym as IMPORT for backward compatibility
IMPORT(IMPORTER),
EXPORT,
TOPIC,
TASK(false),
TASK_SCHEDULER(false, TASK),
TASK_PROCEDURE(false, TASK),
SYSTEM_TASK(false),
// Activity summary for use by 'operator' functions
SHUTDOWN_CHECK,
STOP_CHECK,
PAUSE_CHECK,
XDCR_READINESS;
/** Whether or not this stat supports interval collection */
private final boolean m_supportsInterval;
/** Mapping to actual stat(s) to collect which are registered in the system */
private final StatsSelector[] m_subSelctors;
private StatsSelector(boolean supportsInterval, StatsSelector... subSelectors) {
m_supportsInterval = supportsInterval;
m_subSelctors = subSelectors == null ? new StatsSelector[] { this } : subSelectors;
}
private StatsSelector(boolean supportsInterval) {
this(supportsInterval, (StatsSelector[]) null);
}
private StatsSelector(StatsSelector... subSelectors) {
this(true, subSelectors);
}
private StatsSelector() {
this(true);
}
public boolean interval(boolean interval) {
return m_supportsInterval && interval;
}
StatsSelector[] subSelectors() {
return m_subSelctors;
}
public static StatsSelector[] getAllStatsCollector() {
return StatsSelector.class.getEnumConstants();
}
}
