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ShardIndexingPressureConcurrentExecutionTests.java
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ShardIndexingPressureConcurrentExecutionTests.java
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/*
* 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.
*/
package org.opensearch.index;
import org.hamcrest.Matchers;
import org.opensearch.action.admin.indices.stats.CommonStatsFlags;
import org.opensearch.cluster.service.ClusterService;
import org.opensearch.common.lease.Releasable;
import org.opensearch.common.settings.ClusterSettings;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.util.concurrent.OpenSearchRejectedExecutionException;
import org.opensearch.index.shard.ShardId;
import org.opensearch.index.stats.IndexingPressurePerShardStats;
import org.opensearch.index.stats.IndexingPressureStats;
import org.opensearch.index.stats.ShardIndexingPressureStats;
import org.opensearch.test.OpenSearchTestCase;
import java.util.concurrent.atomic.AtomicInteger;
public class ShardIndexingPressureConcurrentExecutionTests extends OpenSearchTestCase {
private final Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "10KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.MAX_OUTSTANDING_REQUESTS.getKey(), 1)
.put(ShardIndexingPressureMemoryManager.SUCCESSFUL_REQUEST_ELAPSED_TIMEOUT.getKey(), "20ms")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureSettings.REQUEST_SIZE_WINDOW.getKey(), 100)
.build();
final ClusterSettings clusterSettings = new ClusterSettings(settings, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
final ClusterService clusterService = new ClusterService(settings, clusterSettings, null);
public enum OperationType {
COORDINATING,
PRIMARY,
REPLICA
}
public void testCoordinatingPrimaryThreadedUpdateToShardLimits() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 500);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
Releasable[] releasable;
if (randomBoolean) {
releasable = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.COORDINATING);
} else {
releasable = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.PRIMARY);
}
if (randomBoolean) {
assertEquals(
NUM_THREADS * 15,
shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes()
);
} else {
assertEquals(
NUM_THREADS * 15,
shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes()
);
}
assertEquals(
NUM_THREADS * 15,
shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertTrue(
(double) (NUM_THREADS * 15) / shardIndexingPressure.shardStats()
.getIndexingPressureShardStats(shardId1)
.getCurrentPrimaryAndCoordinatingLimits() < 0.95
);
assertTrue(
(double) (NUM_THREADS * 15) / shardIndexingPressure.shardStats()
.getIndexingPressureShardStats(shardId1)
.getCurrentPrimaryAndCoordinatingLimits() > 0.75
);
for (int i = 0; i < NUM_THREADS; i++) {
releasable[i].close();
}
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
if (randomBoolean) {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
} else {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
10,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
}
public void testReplicaThreadedUpdateToShardLimits() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 500);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
Releasable[] releasable = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.REPLICA);
assertEquals(NUM_THREADS * 15, shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertTrue(
(double) (NUM_THREADS * 15) / shardIndexingPressure.shardStats()
.getIndexingPressureShardStats(shardId1)
.getCurrentReplicaLimits() < 0.95
);
assertTrue(
(double) (NUM_THREADS * 15) / shardIndexingPressure.shardStats()
.getIndexingPressureShardStats(shardId1)
.getCurrentReplicaLimits() > 0.75
);
for (int i = 0; i < NUM_THREADS; i++) {
releasable[i].close();
}
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(15, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
}
public void testCoordinatingPrimaryThreadedSimultaneousUpdateToShardLimits() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 500);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
if (randomBoolean) {
fireAndCompleteConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 100, OperationType.COORDINATING);
} else {
fireAndCompleteConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 100, OperationType.PRIMARY);
}
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
if (randomBoolean) {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
} else {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
10,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
}
public void testReplicaThreadedSimultaneousUpdateToShardLimits() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 500);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
fireAndCompleteConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 100, OperationType.REPLICA);
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(15, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
}
public void testCoordinatingPrimaryThreadedUpdateToShardLimitsWithRandomBytes() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 400);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
if (randomBoolean) {
fireAllThenCompleteConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.COORDINATING);
} else {
fireAllThenCompleteConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.PRIMARY);
}
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
if (randomBoolean) {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
} else {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
10,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
}
public void testReplicaThreadedUpdateToShardLimitsWithRandomBytes() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 400);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
fireAllThenCompleteConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.REPLICA);
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(15, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
}
public void testCoordinatingPrimaryThreadedUpdateToShardLimitsAndRejections() throws Exception {
final int NUM_THREADS = 100;
final Thread[] threads = new Thread[NUM_THREADS];
final Releasable[] releasables = new Releasable[NUM_THREADS];
AtomicInteger rejectionCount = new AtomicInteger();
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
for (int i = 0; i < NUM_THREADS; i++) {
int counter = i;
threads[i] = new Thread(() -> {
try {
if (randomBoolean) {
releasables[counter] = shardIndexingPressure.markCoordinatingOperationStarted(shardId1, 200, false);
} else {
releasables[counter] = shardIndexingPressure.markPrimaryOperationStarted(shardId1, 200, false);
}
} catch (OpenSearchRejectedExecutionException e) {
rejectionCount.addAndGet(1);
}
});
threads[i].start();
}
for (Thread t : threads) {
t.join();
}
IndexingPressureStats nodeStats = shardIndexingPressure.stats();
ShardIndexingPressureStats shardStats = shardIndexingPressure.shardStats();
if (randomBoolean) {
assertEquals(rejectionCount.get(), nodeStats.getCoordinatingRejections());
assertTrue(shardStats.getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes() < 50 * 200);
} else {
assertTrue(shardStats.getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes() < 50 * 200);
assertEquals(rejectionCount.get(), nodeStats.getPrimaryRejections());
}
assertTrue(nodeStats.getCurrentCombinedCoordinatingAndPrimaryBytes() < 50 * 200);
assertTrue(shardStats.getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes() < 50 * 200);
for (Releasable releasable : releasables) {
if (releasable != null) {
releasable.close();
}
}
nodeStats = shardIndexingPressure.stats();
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
shardStats = shardIndexingPressure.coldStats();
if (randomBoolean) {
assertEquals(rejectionCount.get(), nodeStats.getCoordinatingRejections());
assertEquals(
rejectionCount.get(),
shardStats.getIndexingPressureShardStats(shardId1).getCoordinatingNodeLimitsBreachedRejections()
);
assertEquals(0, shardStats.getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
} else {
assertEquals(rejectionCount.get(), nodeStats.getPrimaryRejections());
assertEquals(rejectionCount.get(), shardStats.getIndexingPressureShardStats(shardId1).getPrimaryNodeLimitsBreachedRejections());
assertEquals(0, shardStats.getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
}
assertEquals(0, nodeStats.getCurrentCombinedCoordinatingAndPrimaryBytes());
assertEquals(0, shardStats.getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes());
assertEquals(10, shardStats.getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits());
}
public void testReplicaThreadedUpdateToShardLimitsAndRejections() throws Exception {
final int NUM_THREADS = 100;
final Thread[] threads = new Thread[NUM_THREADS];
final Releasable[] releasables = new Releasable[NUM_THREADS];
AtomicInteger rejectionCount = new AtomicInteger();
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
for (int i = 0; i < NUM_THREADS; i++) {
int counter = i;
threads[i] = new Thread(() -> {
try {
releasables[counter] = shardIndexingPressure.markReplicaOperationStarted(shardId1, 300, false);
} catch (OpenSearchRejectedExecutionException e) {
rejectionCount.addAndGet(1);
}
});
threads[i].start();
}
for (Thread t : threads) {
t.join();
}
IndexingPressureStats nodeStats = shardIndexingPressure.stats();
assertEquals(rejectionCount.get(), nodeStats.getReplicaRejections());
assertTrue(nodeStats.getCurrentReplicaBytes() < 50 * 300);
ShardIndexingPressureStats shardStats = shardIndexingPressure.shardStats();
assertTrue(shardStats.getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes() < 50 * 300);
for (Releasable releasable : releasables) {
if (releasable != null) {
releasable.close();
}
}
nodeStats = shardIndexingPressure.stats();
assertEquals(rejectionCount.get(), nodeStats.getReplicaRejections());
assertEquals(0, nodeStats.getCurrentReplicaBytes());
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
shardStats = shardIndexingPressure.coldStats();
assertEquals(rejectionCount.get(), shardStats.getIndexingPressureShardStats(shardId1).getReplicaNodeLimitsBreachedRejections());
assertEquals(0, shardStats.getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(15, shardStats.getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
}
public void testCoordinatingPrimaryConcurrentUpdatesOnShardIndexingPressureTrackerObjects() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 400);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "new_uuid");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
Releasable[] releasables;
if (randomBoolean) {
releasables = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.COORDINATING);
} else {
releasables = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 15, OperationType.PRIMARY);
}
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertThat(shardStoreStats.getCurrentPrimaryAndCoordinatingLimits(), Matchers.greaterThan(100L));
CommonStatsFlags statsFlag = new CommonStatsFlags();
statsFlag.includeAllShardIndexingPressureTrackers(true);
IndexingPressurePerShardStats shardStoreStats2 = shardIndexingPressure.shardStats(statsFlag)
.getIndexingPressureShardStats(shardId1);
;
assertEquals(shardStoreStats.getCurrentPrimaryAndCoordinatingLimits(), shardStoreStats2.getCurrentPrimaryAndCoordinatingLimits());
statsFlag.includeOnlyTopIndexingPressureMetrics(true);
assertNull(shardIndexingPressure.shardStats(statsFlag).getIndexingPressureShardStats(shardId1));
statsFlag.includeOnlyTopIndexingPressureMetrics(false);
for (int i = 0; i < NUM_THREADS; i++) {
releasables[i].close();
}
// No object in host store as no active shards
shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
if (randomBoolean) {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
} else {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
10,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
shardStoreStats2 = shardIndexingPressure.shardStats(statsFlag).getIndexingPressureShardStats(shardId1);
assertEquals(
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits(),
shardStoreStats2.getCurrentPrimaryAndCoordinatingLimits()
);
statsFlag.includeAllShardIndexingPressureTrackers(false);
assertNull(shardIndexingPressure.shardStats(statsFlag).getIndexingPressureShardStats(shardId1));
}
public void testReplicaConcurrentUpdatesOnShardIndexingPressureTrackerObjects() throws Exception {
final int NUM_THREADS = scaledRandomIntBetween(100, 400);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "new_uuid");
ShardId shardId1 = new ShardId(index, 0);
final Releasable[] releasables = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 20, OperationType.REPLICA);
IndexingPressurePerShardStats shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertThat(shardStoreStats.getCurrentReplicaLimits(), Matchers.greaterThan(100L));
CommonStatsFlags statsFlag = new CommonStatsFlags();
statsFlag.includeAllShardIndexingPressureTrackers(true);
IndexingPressurePerShardStats shardStoreStats2 = shardIndexingPressure.shardStats(statsFlag)
.getIndexingPressureShardStats(shardId1);
;
assertEquals(shardStoreStats.getCurrentReplicaLimits(), shardStoreStats2.getCurrentReplicaLimits());
statsFlag.includeOnlyTopIndexingPressureMetrics(true);
assertNull(shardIndexingPressure.shardStats(statsFlag).getIndexingPressureShardStats(shardId1));
statsFlag.includeOnlyTopIndexingPressureMetrics(false);
for (int i = 0; i < NUM_THREADS; i++) {
releasables[i].close();
}
// No object in host store as no active shards
shardStoreStats = shardIndexingPressure.shardStats().getIndexingPressureShardStats(shardId1);
assertNull(shardStoreStats);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(15, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
shardStoreStats2 = shardIndexingPressure.shardStats(statsFlag).getIndexingPressureShardStats(shardId1);
;
assertEquals(
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits(),
shardStoreStats2.getCurrentReplicaLimits()
);
statsFlag.includeAllShardIndexingPressureTrackers(false);
assertNull(shardIndexingPressure.shardStats(statsFlag).getIndexingPressureShardStats(shardId1));
}
public void testCoordinatingPrimaryThreadedThroughputDegradationAndRejection() throws Exception {
Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "15KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.THROUGHPUT_DEGRADATION_LIMITS.getKey(), 1)
.put(ShardIndexingPressureSettings.REQUEST_SIZE_WINDOW.getKey(), 80)
.build();
final int NUM_THREADS = scaledRandomIntBetween(80, 100);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
// Generating a concurrent + sequential load to have a fair throughput
if (randomBoolean) {
fireConcurrentAndParallelRequestsForUniformThroughPut(
NUM_THREADS,
shardIndexingPressure,
shardId1,
100,
100,
OperationType.COORDINATING
);
} else {
fireConcurrentAndParallelRequestsForUniformThroughPut(
NUM_THREADS,
shardIndexingPressure,
shardId1,
100,
100,
OperationType.PRIMARY
);
}
// Generating a load to such that the requests in the window shows degradation in throughput.
if (randomBoolean) {
fireAllThenCompleteConcurrentRequestsWithUniformDelay(
ShardIndexingPressureSettings.REQUEST_SIZE_WINDOW.get(settings),
shardIndexingPressure,
shardId1,
100,
200,
OperationType.COORDINATING
);
} else {
fireAllThenCompleteConcurrentRequestsWithUniformDelay(
ShardIndexingPressureSettings.REQUEST_SIZE_WINDOW.get(settings),
shardIndexingPressure,
shardId1,
100,
200,
OperationType.PRIMARY
);
}
// Generate a load which breaches both primary parameter
if (randomBoolean) {
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markCoordinatingOperationStarted(shardId1, 11 * 1024, false)
);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCoordinatingRejections());
assertEquals(
1,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getCoordinatingThroughputDegradationLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCoordinatingNodeLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getCoordinatingLastSuccessfulRequestLimitsBreachedRejections()
);
} else {
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markPrimaryOperationStarted(shardId1, 11 * 1024, false)
);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getPrimaryRejections());
assertEquals(
1,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getPrimaryThroughputDegradationLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getPrimaryNodeLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getPrimaryLastSuccessfulRequestLimitsBreachedRejections()
);
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
15,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
}
public void testReplicaThreadedThroughputDegradationAndRejection() throws Exception {
Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "10KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.THROUGHPUT_DEGRADATION_LIMITS.getKey(), 1)
.put(ShardIndexingPressureSettings.REQUEST_SIZE_WINDOW.getKey(), 100)
.build();
final int NUM_THREADS = scaledRandomIntBetween(80, 100);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
// Generating a load to have a fair throughput
fireConcurrentAndParallelRequestsForUniformThroughPut(
NUM_THREADS,
shardIndexingPressure,
shardId1,
100,
100,
OperationType.REPLICA
);
// Generating a load to such that the requests in the window shows degradation in throughput.
fireAllThenCompleteConcurrentRequestsWithUniformDelay(
ShardIndexingPressureSettings.REQUEST_SIZE_WINDOW.get(settings),
shardIndexingPressure,
shardId1,
100,
200,
OperationType.REPLICA
);
// Generate a load which breaches both primary parameter
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markReplicaOperationStarted(shardId1, 11 * 1024, false)
);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(15, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getReplicaRejections());
assertEquals(
1,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getReplicaThroughputDegradationLimitsBreachedRejections()
);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getReplicaNodeLimitsBreachedRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getReplicaLastSuccessfulRequestLimitsBreachedRejections()
);
}
public void testCoordinatingPrimaryThreadedLastSuccessfulRequestsAndRejection() throws Exception {
Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "250KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.THROUGHPUT_DEGRADATION_LIMITS.getKey(), 1)
.put(ShardIndexingPressureMemoryManager.MAX_OUTSTANDING_REQUESTS.getKey(), 100)
.put(ShardIndexingPressureMemoryManager.SUCCESSFUL_REQUEST_ELAPSED_TIMEOUT.getKey(), "20ms")
.build();
final int NUM_THREADS = scaledRandomIntBetween(110, 150);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
// One request being successful
if (randomBoolean) {
Releasable coordinating = shardIndexingPressure.markCoordinatingOperationStarted(shardId1, 10, false);
coordinating.close();
} else {
Releasable primary = shardIndexingPressure.markPrimaryOperationStarted(shardId1, 10, false);
primary.close();
}
// Generating a load such that requests are blocked requests.
Releasable[] releasables;
if (randomBoolean) {
releasables = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 10, OperationType.COORDINATING);
} else {
releasables = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 10, OperationType.PRIMARY);
}
// Mimic the time elapsed after requests being stuck
Thread.sleep(randomIntBetween(50, 100));
// Generate a load which breaches both primary parameter
if (randomBoolean) {
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markCoordinatingOperationStarted(shardId1, 200 * 1024, false)
);
} else {
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markPrimaryOperationStarted(shardId1, 200 * 1024, false)
);
}
for (int i = 0; i < NUM_THREADS; i++) {
releasables[i].close();
}
if (randomBoolean) {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCoordinatingRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getCoordinatingThroughputDegradationLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCoordinatingNodeLimitsBreachedRejections()
);
assertEquals(
1,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getCoordinatingLastSuccessfulRequestLimitsBreachedRejections()
);
} else {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getPrimaryRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getPrimaryThroughputDegradationLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getPrimaryNodeLimitsBreachedRejections()
);
assertEquals(
1,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getPrimaryLastSuccessfulRequestLimitsBreachedRejections()
);
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
256,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
}
public void testReplicaThreadedLastSuccessfulRequestsAndRejection() throws Exception {
Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "250KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.THROUGHPUT_DEGRADATION_LIMITS.getKey(), 1)
.put(ShardIndexingPressureMemoryManager.MAX_OUTSTANDING_REQUESTS.getKey(), 100)
.put(ShardIndexingPressureMemoryManager.SUCCESSFUL_REQUEST_ELAPSED_TIMEOUT.getKey(), "20ms")
.build();
final int NUM_THREADS = scaledRandomIntBetween(110, 150);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
// One request being successful
Releasable replica = shardIndexingPressure.markReplicaOperationStarted(shardId1, 10, false);
replica.close();
// Generating a load such that requests are blocked requests.
final Releasable[] releasables = fireConcurrentRequests(NUM_THREADS, shardIndexingPressure, shardId1, 10, OperationType.REPLICA);
// Mimic the time elapsed after requests being stuck
Thread.sleep(randomIntBetween(50, 100));
// Generate a load which breaches both primary parameter
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markReplicaOperationStarted(shardId1, 300 * 1024, false)
);
for (int i = 0; i < NUM_THREADS; i++) {
releasables[i].close();
}
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getReplicaRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getReplicaThroughputDegradationLimitsBreachedRejections()
);
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getReplicaNodeLimitsBreachedRejections());
assertEquals(
1,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getReplicaLastSuccessfulRequestLimitsBreachedRejections()
);
assertEquals(384, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
}
public void testCoordinatingPrimaryThreadedNodeLimitsAndRejection() throws Exception {
Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "250KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.THROUGHPUT_DEGRADATION_LIMITS.getKey(), 1)
.put(ShardIndexingPressureMemoryManager.MAX_OUTSTANDING_REQUESTS.getKey(), 100)
.put(ShardIndexingPressureMemoryManager.SUCCESSFUL_REQUEST_ELAPSED_TIMEOUT.getKey(), "20ms")
.build();
final int NUM_THREADS = scaledRandomIntBetween(100, 150);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
boolean randomBoolean = randomBoolean();
// Generating a load to such that the requests in the window shows degradation in throughput.
Releasable[] releasables;
if (randomBoolean) {
releasables = fireConcurrentRequestsWithUniformDelay(
NUM_THREADS,
shardIndexingPressure,
shardId1,
10,
randomIntBetween(50, 100),
OperationType.COORDINATING
);
} else {
releasables = fireConcurrentRequestsWithUniformDelay(
NUM_THREADS,
shardIndexingPressure,
shardId1,
10,
randomIntBetween(50, 100),
OperationType.PRIMARY
);
}
// Generate a load which breaches both primary parameter
if (randomBoolean) {
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markCoordinatingOperationStarted(shardId1, 240 * 1024, false)
);
} else {
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markPrimaryOperationStarted(shardId1, 240 * 1024, false)
);
}
for (int i = 0; i < NUM_THREADS; i++) {
releasables[i].close();
}
if (randomBoolean) {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCoordinatingBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCoordinatingRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getCoordinatingThroughputDegradationLimitsBreachedRejections()
);
assertEquals(
1,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCoordinatingNodeLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getCoordinatingLastSuccessfulRequestLimitsBreachedRejections()
);
} else {
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getPrimaryRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getPrimaryThroughputDegradationLimitsBreachedRejections()
);
assertEquals(
1,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getPrimaryNodeLimitsBreachedRejections()
);
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getPrimaryLastSuccessfulRequestLimitsBreachedRejections()
);
}
assertEquals(
0,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentCombinedCoordinatingAndPrimaryBytes()
);
assertEquals(
256,
shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentPrimaryAndCoordinatingLimits()
);
}
public void testReplicaThreadedNodeLimitsAndRejection() throws Exception {
Settings settings = Settings.builder()
.put(IndexingPressure.MAX_INDEXING_BYTES.getKey(), "250KB")
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENABLED.getKey(), true)
.put(ShardIndexingPressureSettings.SHARD_INDEXING_PRESSURE_ENFORCED.getKey(), true)
.put(ShardIndexingPressureMemoryManager.THROUGHPUT_DEGRADATION_LIMITS.getKey(), 1)
.put(ShardIndexingPressureMemoryManager.MAX_OUTSTANDING_REQUESTS.getKey(), 100)
.put(ShardIndexingPressureMemoryManager.SUCCESSFUL_REQUEST_ELAPSED_TIMEOUT.getKey(), "20ms")
.build();
final int NUM_THREADS = scaledRandomIntBetween(100, 150);
ShardIndexingPressure shardIndexingPressure = new ShardIndexingPressure(settings, clusterService);
Index index = new Index("IndexName", "UUID");
ShardId shardId1 = new ShardId(index, 0);
// Generating a load to such that the requests in the window shows degradation in throughput.
final Releasable[] releasables = fireConcurrentRequestsWithUniformDelay(
NUM_THREADS,
shardIndexingPressure,
shardId1,
10,
randomIntBetween(50, 100),
OperationType.COORDINATING
);
// Generate a load which breaches both primary parameter
expectThrows(
OpenSearchRejectedExecutionException.class,
() -> shardIndexingPressure.markReplicaOperationStarted(shardId1, 340 * 1024, false)
);
for (int i = 0; i < NUM_THREADS; i++) {
releasables[i].close();
}
assertEquals(0, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaBytes());
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getReplicaRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getReplicaThroughputDegradationLimitsBreachedRejections()
);
assertEquals(1, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getReplicaNodeLimitsBreachedRejections());
assertEquals(
0,
shardIndexingPressure.coldStats()
.getIndexingPressureShardStats(shardId1)
.getReplicaLastSuccessfulRequestLimitsBreachedRejections()
);
assertEquals(384, shardIndexingPressure.coldStats().getIndexingPressureShardStats(shardId1).getCurrentReplicaLimits());
}
private void fireAndCompleteConcurrentRequests(
int concurrency,
ShardIndexingPressure shardIndexingPressure,
ShardId shardId,
long bytes,
OperationType operationType
) throws Exception {
fireAndCompleteConcurrentRequestsWithUniformDelay(
concurrency,
shardIndexingPressure,
shardId,
bytes,
randomIntBetween(5, 15),
operationType
);
}
private void fireAndCompleteConcurrentRequestsWithUniformDelay(
int concurrency,
ShardIndexingPressure shardIndexingPressure,
ShardId shardId,
long bytes,
long delay,
OperationType operationType
) throws Exception {
final Thread[] threads = new Thread[concurrency];
for (int i = 0; i < concurrency; i++) {
threads[i] = new Thread(() -> {
if (operationType == OperationType.COORDINATING) {
Releasable coordinating = shardIndexingPressure.markCoordinatingOperationStarted(shardId, bytes, false);
coordinating.close();
} else if (operationType == OperationType.PRIMARY) {
Releasable primary = shardIndexingPressure.markPrimaryOperationStarted(shardId, bytes, false);
primary.close();
} else {
Releasable replica = shardIndexingPressure.markReplicaOperationStarted(shardId, bytes, false);
replica.close();
}
});
try {
Thread.sleep(delay);
} catch (InterruptedException e) {
// Do Nothing
}
threads[i].start();
}
for (Thread t : threads) {
t.join();
}
}
private Releasable[] fireConcurrentRequests(
int concurrency,
ShardIndexingPressure shardIndexingPressure,
ShardId shardId,
long bytes,
OperationType operationType
) throws Exception {
return fireConcurrentRequestsWithUniformDelay(concurrency, shardIndexingPressure, shardId, bytes, 0, operationType);
}
private Releasable[] fireConcurrentRequestsWithUniformDelay(
int concurrency,
ShardIndexingPressure shardIndexingPressure,
ShardId shardId,
long bytes,
long delay,
OperationType operationType
) throws Exception {
final Thread[] threads = new Thread[concurrency];
final Releasable[] releasable = new Releasable[concurrency];
for (int i = 0; i < concurrency; i++) {
int counter = i;
threads[i] = new Thread(() -> {