org.apache.bookkeeper.bookie.stats.GarbageCollectorStats Maven / Gradle / Ivy
/*
* 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.bookie.stats;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.ACTIVE_ENTRY_LOG_COUNT;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.ACTIVE_ENTRY_LOG_SPACE_BYTES;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.ACTIVE_LEDGER_COUNT;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.BOOKIE_SCOPE;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.CATEGORY_SERVER;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.DELETED_LEDGER_COUNT;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.MAJOR_COMPACTION_COUNT;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.MINOR_COMPACTION_COUNT;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.RECLAIMED_COMPACTION_SPACE_BYTES;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.RECLAIMED_DELETION_SPACE_BYTES;
import static org.apache.bookkeeper.bookie.BookKeeperServerStats.THREAD_RUNTIME;
import java.util.function.Supplier;
import lombok.Getter;
import org.apache.bookkeeper.stats.Counter;
import org.apache.bookkeeper.stats.Gauge;
import org.apache.bookkeeper.stats.OpStatsLogger;
import org.apache.bookkeeper.stats.StatsLogger;
import org.apache.bookkeeper.stats.annotations.StatsDoc;
/**
* A umbrella class for gc stats.
*/
@StatsDoc(
name = BOOKIE_SCOPE,
category = CATEGORY_SERVER,
help = "Garbage Collector related stats"
)
@Getter
public class GarbageCollectorStats {
final StatsLogger statsLogger;
@StatsDoc(
name = MINOR_COMPACTION_COUNT,
help = "Number of minor compactions"
)
private final Counter minorCompactionCounter;
@StatsDoc(
name = MAJOR_COMPACTION_COUNT,
help = "Number of major compactions"
)
private final Counter majorCompactionCounter;
@StatsDoc(
name = RECLAIMED_DELETION_SPACE_BYTES,
help = "Number of disk space bytes reclaimed via deleting entry log files"
)
private final Counter reclaimedSpaceViaDeletes;
@StatsDoc(
name = RECLAIMED_COMPACTION_SPACE_BYTES,
help = "Number of disk space bytes reclaimed via compacting entry log files"
)
private final Counter reclaimedSpaceViaCompaction;
@StatsDoc(
name = DELETED_LEDGER_COUNT,
help = "Number of ledgers deleted by garbage collection"
)
private final Counter deletedLedgerCounter;
@StatsDoc(
name = THREAD_RUNTIME,
help = "Operation stats of garbage collections"
)
private final OpStatsLogger gcThreadRuntime;
@StatsDoc(
name = ACTIVE_ENTRY_LOG_COUNT,
help = "Current number of active entry log files"
)
private final Gauge activeEntryLogCountGauge;
@StatsDoc(
name = ACTIVE_ENTRY_LOG_SPACE_BYTES,
help = "Current number of active entry log space bytes"
)
private final Gauge activeEntryLogSpaceBytesGauge;
@StatsDoc(
name = ACTIVE_LEDGER_COUNT,
help = "Current number of active ledgers"
)
private final Gauge activeLedgerCountGauge;
public GarbageCollectorStats(StatsLogger statsLogger,
Supplier activeEntryLogCountSupplier,
Supplier activeEntryLogSpaceBytesSupplier,
Supplier activeLedgerCountSupplier) {
this.statsLogger = statsLogger;
this.minorCompactionCounter = statsLogger.getCounter(MINOR_COMPACTION_COUNT);
this.majorCompactionCounter = statsLogger.getCounter(MAJOR_COMPACTION_COUNT);
this.reclaimedSpaceViaCompaction = statsLogger.getCounter(RECLAIMED_COMPACTION_SPACE_BYTES);
this.reclaimedSpaceViaDeletes = statsLogger.getCounter(RECLAIMED_DELETION_SPACE_BYTES);
this.gcThreadRuntime = statsLogger.getOpStatsLogger(THREAD_RUNTIME);
this.deletedLedgerCounter = statsLogger.getCounter(DELETED_LEDGER_COUNT);
this.activeEntryLogCountGauge = new Gauge() {
@Override
public Integer getDefaultValue() {
return 0;
}
@Override
public Integer getSample() {
return activeEntryLogCountSupplier.get();
}
};
statsLogger.registerGauge(ACTIVE_ENTRY_LOG_COUNT, activeEntryLogCountGauge);
this.activeEntryLogSpaceBytesGauge = new Gauge() {
@Override
public Long getDefaultValue() {
return 0L;
}
@Override
public Long getSample() {
return activeEntryLogSpaceBytesSupplier.get();
}
};
statsLogger.registerGauge(ACTIVE_ENTRY_LOG_SPACE_BYTES, activeEntryLogSpaceBytesGauge);
this.activeLedgerCountGauge = new Gauge() {
@Override
public Integer getDefaultValue() {
return 0;
}
@Override
public Integer getSample() {
return activeLedgerCountSupplier.get();
}
};
statsLogger.registerGauge(ACTIVE_LEDGER_COUNT, activeLedgerCountGauge);
}
}