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Reapply "[Remote Store] Permit backed futures to prevent timeouts dur…
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...pository-s3/src/main/java/org/opensearch/repositories/s3/GenericStatsMetricPublisher.java
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|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
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| package org.opensearch.repositories.s3; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
| import java.util.concurrent.atomic.AtomicLong; | ||
|
|
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| /** | ||
| * Generic stats of repository-s3 plugin. | ||
| */ | ||
| public class GenericStatsMetricPublisher { | ||
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| private final AtomicLong normalPriorityQSize = new AtomicLong(); | ||
| private final AtomicInteger normalPriorityPermits = new AtomicInteger(); | ||
| private final AtomicLong lowPriorityQSize = new AtomicLong(); | ||
| private final AtomicInteger lowPriorityPermits = new AtomicInteger(); | ||
| private final long normalPriorityQCapacity; | ||
| private final int maxNormalPriorityPermits; | ||
| private final long lowPriorityQCapacity; | ||
| private final int maxLowPriorityPermits; | ||
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| public GenericStatsMetricPublisher( | ||
| long normalPriorityQCapacity, | ||
| int maxNormalPriorityPermits, | ||
| long lowPriorityQCapacity, | ||
| int maxLowPriorityPermits | ||
| ) { | ||
| this.normalPriorityQCapacity = normalPriorityQCapacity; | ||
| this.maxNormalPriorityPermits = maxNormalPriorityPermits; | ||
| this.lowPriorityQCapacity = lowPriorityQCapacity; | ||
| this.maxLowPriorityPermits = maxLowPriorityPermits; | ||
| } | ||
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| public void updateNormalPriorityQSize(long qSize) { | ||
| normalPriorityQSize.addAndGet(qSize); | ||
| } | ||
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| public void updateLowPriorityQSize(long qSize) { | ||
| lowPriorityQSize.addAndGet(qSize); | ||
| } | ||
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| public void updateNormalPermits(boolean increment) { | ||
| if (increment) { | ||
| normalPriorityPermits.incrementAndGet(); | ||
| } else { | ||
| normalPriorityPermits.decrementAndGet(); | ||
| } | ||
| } | ||
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| public void updateLowPermits(boolean increment) { | ||
| if (increment) { | ||
| lowPriorityPermits.incrementAndGet(); | ||
| } else { | ||
| lowPriorityPermits.decrementAndGet(); | ||
| } | ||
| } | ||
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| public long getNormalPriorityQSize() { | ||
| return normalPriorityQSize.get(); | ||
| } | ||
|
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| public int getAcquiredNormalPriorityPermits() { | ||
| return normalPriorityPermits.get(); | ||
| } | ||
|
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| public long getLowPriorityQSize() { | ||
| return lowPriorityQSize.get(); | ||
| } | ||
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| public int getAcquiredLowPriorityPermits() { | ||
| return lowPriorityPermits.get(); | ||
| } | ||
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| Map<String, Long> stats() { | ||
| final Map<String, Long> results = new HashMap<>(); | ||
| results.put("NormalPriorityQUtilization", (normalPriorityQSize.get() * 100) / normalPriorityQCapacity); | ||
| results.put("LowPriorityQUtilization", (lowPriorityQSize.get() * 100) / lowPriorityQCapacity); | ||
| results.put("NormalPriorityPermitsUtilization", (normalPriorityPermits.get() * 100L) / maxNormalPriorityPermits); | ||
| results.put("LowPriorityPermitsUtilization", (lowPriorityPermits.get() * 100L) / maxLowPriorityPermits); | ||
| return results; | ||
| } | ||
| } |
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