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Fix the discrepancy between Profile API and real time tasks API
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This PR fixes the discrepancy by querying the result index when the total updates is less than 32. We have done similar things in profile API so I refactored reusable code to ProfileUtil. We also cached whether we have queried the result index and won't repeatedly issue the extra query.

Testing done:
1. repeated repro steps in opensearch-project#502 and verified the issue has been resolved.

Signed-off-by: Kaituo Li <[email protected]>
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@kaituo
kaituo committed Jan 5, 2023
1 parent 20d2c5f commit a8117b9
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Showing 14 changed files with 575 additions and 106 deletions.
2 changes: 0 additions & 2 deletions src/main/java/org/opensearch/ad/AnomalyDetectorJobRunner.java
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Original file line number Diff line number Diff line change
Expand Up @@ -560,14 +560,12 @@ private void stopAdJob(String detectorId, AnomalyDetectorFunction function) {
}, exception -> { log.error("JobRunner failed to update AD job as disabled for " + detectorId, exception); }));
} else {
log.info("AD Job was disabled for " + detectorId);
// function.execute();
}
} catch (IOException e) {
log.error("JobRunner failed to stop detector job " + detectorId, e);
}
} else {
log.info("AD Job was not found for " + detectorId);
// function.execute();
}
}, exception -> log.error("JobRunner failed to get detector job " + detectorId, exception));

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5 changes: 4 additions & 1 deletion src/main/java/org/opensearch/ad/AnomalyDetectorPlugin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -762,7 +762,10 @@ public PooledObject<LinkedBuffer> wrap(LinkedBuffer obj) {
adTaskManager,
nodeFilter,
threadPool,
client
client,
stateManager,
adTaskCacheManager,
AnomalyDetectorSettings.NUM_MIN_SAMPLES
);

// return objects used by Guice to inject dependencies for e.g.,
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54 changes: 9 additions & 45 deletions src/main/java/org/opensearch/ad/AnomalyDetectorProfileRunner.java
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,6 @@
import org.opensearch.ad.model.ADTaskType;
import org.opensearch.ad.model.AnomalyDetector;
import org.opensearch.ad.model.AnomalyDetectorJob;
import org.opensearch.ad.model.AnomalyResult;
import org.opensearch.ad.model.DetectorProfile;
import org.opensearch.ad.model.DetectorProfileName;
import org.opensearch.ad.model.DetectorState;
Expand All @@ -64,8 +63,6 @@
import org.opensearch.common.xcontent.NamedXContentRegistry;
import org.opensearch.common.xcontent.XContentParser;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.SearchHits;
import org.opensearch.search.aggregations.Aggregation;
import org.opensearch.search.aggregations.AggregationBuilder;
Expand Down Expand Up @@ -451,14 +448,15 @@ private void profileMultiEntityDetectorStateRelated(
if (profileResponse.getTotalUpdates() < requiredSamples) {
// need to double check since what ProfileResponse returns is the highest priority entity currently in memory, but
// another entity might have already been initialized and sit somewhere else (in memory or on disk).
confirmMultiEntityDetectorInitStatus(
detector,
job.getEnabledTime().toEpochMilli(),
profileBuilder,
profilesToCollect,
profileResponse.getTotalUpdates(),
listener
);
long enabledTime = job.getEnabledTime().toEpochMilli();
long totalUpdates = profileResponse.getTotalUpdates();
ProfileUtil
.confirmDetectorInitStatus(
detector,
enabledTime,
client,
onInittedEver(enabledTime, profileBuilder, profilesToCollect, detector, totalUpdates, listener)
);
} else {
createRunningStateAndInitProgress(profilesToCollect, profileBuilder);
listener.onResponse(profileBuilder.build());
Expand All @@ -471,18 +469,6 @@ private void profileMultiEntityDetectorStateRelated(
}
}

private void confirmMultiEntityDetectorInitStatus(
AnomalyDetector detector,
long enabledTime,
DetectorProfile.Builder profile,
Set<DetectorProfileName> profilesToCollect,
long totalUpdates,
MultiResponsesDelegateActionListener<DetectorProfile> listener
) {
SearchRequest searchLatestResult = createInittedEverRequest(detector.getDetectorId(), enabledTime, detector.getResultIndex());
client.search(searchLatestResult, onInittedEver(enabledTime, profile, profilesToCollect, detector, totalUpdates, listener));
}

private ActionListener<SearchResponse> onInittedEver(
long lastUpdateTimeMs,
DetectorProfile.Builder profileBuilder,
Expand Down Expand Up @@ -602,26 +588,4 @@ private void processInitResponse(

listener.onResponse(builder.build());
}

/**
* Create search request to check if we have at least 1 anomaly score larger than 0 after AD job enabled time
* @param detectorId detector id
* @param enabledTime the time when AD job is enabled in milliseconds
* @return the search request
*/
private SearchRequest createInittedEverRequest(String detectorId, long enabledTime, String resultIndex) {
BoolQueryBuilder filterQuery = new BoolQueryBuilder();
filterQuery.filter(QueryBuilders.termQuery(AnomalyResult.DETECTOR_ID_FIELD, detectorId));
filterQuery.filter(QueryBuilders.rangeQuery(AnomalyResult.EXECUTION_END_TIME_FIELD).gte(enabledTime));
filterQuery.filter(QueryBuilders.rangeQuery(AnomalyResult.ANOMALY_SCORE_FIELD).gt(0));

SearchSourceBuilder source = new SearchSourceBuilder().query(filterQuery).size(1);

SearchRequest request = new SearchRequest(CommonName.ANOMALY_RESULT_INDEX_ALIAS);
request.source(source);
if (resultIndex != null) {
request.indices(resultIndex);
}
return request;
}
}
132 changes: 116 additions & 16 deletions src/main/java/org/opensearch/ad/ExecuteADResultResponseRecorder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.opensearch.action.ActionListener;
import org.opensearch.action.update.UpdateResponse;
import org.opensearch.ad.common.exception.AnomalyDetectionException;
import org.opensearch.ad.common.exception.EndRunException;
import org.opensearch.ad.common.exception.ResourceNotFoundException;
import org.opensearch.ad.constant.CommonErrorMessages;
Expand All @@ -32,6 +34,7 @@
import org.opensearch.ad.model.DetectorProfileName;
import org.opensearch.ad.model.FeatureData;
import org.opensearch.ad.model.IntervalTimeConfiguration;
import org.opensearch.ad.task.ADTaskCacheManager;
import org.opensearch.ad.task.ADTaskManager;
import org.opensearch.ad.transport.AnomalyResultResponse;
import org.opensearch.ad.transport.ProfileAction;
Expand All @@ -40,10 +43,12 @@
import org.opensearch.ad.transport.RCFPollingRequest;
import org.opensearch.ad.transport.handler.AnomalyIndexHandler;
import org.opensearch.ad.util.DiscoveryNodeFilterer;
import org.opensearch.ad.util.ExceptionUtil;
import org.opensearch.client.Client;
import org.opensearch.cluster.node.DiscoveryNode;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.commons.authuser.User;
import org.opensearch.search.SearchHits;
import org.opensearch.threadpool.ThreadPool;

public class ExecuteADResultResponseRecorder {
Expand All @@ -55,21 +60,30 @@ public class ExecuteADResultResponseRecorder {
private DiscoveryNodeFilterer nodeFilter;
private ThreadPool threadPool;
private Client client;
private NodeStateManager nodeStateManager;
private ADTaskCacheManager adTaskCacheManager;
private int rcfMinSamples;

public ExecuteADResultResponseRecorder(
AnomalyDetectionIndices anomalyDetectionIndices,
AnomalyIndexHandler<AnomalyResult> anomalyResultHandler,
ADTaskManager adTaskManager,
DiscoveryNodeFilterer nodeFilter,
ThreadPool threadPool,
Client client
Client client,
NodeStateManager nodeStateManager,
ADTaskCacheManager adTaskCacheManager,
int rcfMinSamples
) {
this.anomalyDetectionIndices = anomalyDetectionIndices;
this.anomalyResultHandler = anomalyResultHandler;
this.adTaskManager = adTaskManager;
this.nodeFilter = nodeFilter;
this.threadPool = threadPool;
this.client = client;
this.nodeStateManager = nodeStateManager;
this.adTaskCacheManager = adTaskCacheManager;
this.rcfMinSamples = rcfMinSamples;
}

public void indexAnomalyResult(
Expand Down Expand Up @@ -185,27 +199,66 @@ private void updateLatestRealtimeTask(
String error
) {
// Don't need info as this will be printed repeatedly in each interval
adTaskManager
.updateLatestRealtimeTaskOnCoordinatingNode(
ActionListener<UpdateResponse> listener = ActionListener.wrap(r -> {
if (r != null) {
log.debug("Updated latest realtime task successfully for detector {}, taskState: {}", detectorId, taskState);
}
}, e -> {
if ((e instanceof ResourceNotFoundException) && e.getMessage().contains(CAN_NOT_FIND_LATEST_TASK)) {
// Clear realtime task cache, will recreate AD task in next run, check AnomalyResultTransportAction.
log.error("Can't find latest realtime task of detector " + detectorId);
adTaskManager.removeRealtimeTaskCache(detectorId);
} else {
log.error("Failed to update latest realtime task for detector " + detectorId, e);
}
});

// rcfTotalUpdates is null when we save exception messages
if (!adTaskCacheManager.hasQueriedResultIndex(detectorId) && rcfTotalUpdates != null && rcfTotalUpdates < rcfMinSamples) {
// confirm the total updates number since it is possible that we have already had results after job enabling time
// If yes, total updates should be at least rcfMinSamples so that the init progress reaches 100%.
confirmTotalRCFUpdatesFound(
detectorId,
taskState,
rcfTotalUpdates,
detectorIntervalInMinutes,
error,
ActionListener.wrap(r -> {
if (r != null) {
log.debug("Updated latest realtime task successfully for detector {}, taskState: {}", detectorId, taskState);
}
}, e -> {
if ((e instanceof ResourceNotFoundException) && e.getMessage().contains(CAN_NOT_FIND_LATEST_TASK)) {
// Clear realtime task cache, will recreate AD task in next run, check AnomalyResultTransportAction.
log.error("Can't find latest realtime task of detector " + detectorId);
adTaskManager.removeRealtimeTaskCache(detectorId);
} else {
log.error("Failed to update latest realtime task for detector " + detectorId, e);
}
})
ActionListener
.wrap(
r -> adTaskManager
.updateLatestRealtimeTaskOnCoordinatingNode(
detectorId,
taskState,
r,
detectorIntervalInMinutes,
error,
listener
),
e -> {
log.error("Fail to confirm rcf update", e);
adTaskManager
.updateLatestRealtimeTaskOnCoordinatingNode(
detectorId,
taskState,
rcfTotalUpdates,
detectorIntervalInMinutes,
error,
listener
);
}
)
);
} else {
adTaskManager
.updateLatestRealtimeTaskOnCoordinatingNode(
detectorId,
taskState,
rcfTotalUpdates,
detectorIntervalInMinutes,
error,
listener
);
}
}

/**
Expand Down Expand Up @@ -285,4 +338,51 @@ public void indexAnomalyResultException(
}
}

private void confirmTotalRCFUpdatesFound(
String detectorId,
String taskState,
Long rcfTotalUpdates,
Long detectorIntervalInMinutes,
String error,
ActionListener<Long> listener
) {
nodeStateManager.getAnomalyDetector(detectorId, ActionListener.wrap(detectorOptional -> {
if (!detectorOptional.isPresent()) {
listener.onFailure(new AnomalyDetectionException(detectorId, "fail to get detector"));
return;
}
nodeStateManager.getAnomalyDetectorJob(detectorId, ActionListener.wrap(jobOptional -> {
if (!jobOptional.isPresent()) {
listener.onFailure(new AnomalyDetectionException(detectorId, "fail to get job"));
return;
}
adTaskCacheManager.markResultIndexQueried(detectorId);
ProfileUtil
.confirmDetectorInitStatus(
detectorOptional.get(),
jobOptional.get().getEnabledTime().toEpochMilli(),
client,
ActionListener.wrap(searchResponse -> {
ActionListener.completeWith(listener, () -> {
SearchHits hits = searchResponse.getHits();
Long correctedTotalUpdates = rcfTotalUpdates;
if (hits.getTotalHits().value > 0L) {
// correct the number if we have already had results after job enabling time
// so that the detector won't stay initialized
correctedTotalUpdates = Long.valueOf(rcfMinSamples);
}
return correctedTotalUpdates;
});
}, exception -> {
if (ExceptionUtil.isIndexNotAvailable(exception)) {
// anomaly result index is not created yet
listener.onResponse(0L);
} else {
listener.onFailure(exception);
}
})
);
}, e -> listener.onFailure(new AnomalyDetectionException(detectorId, "fail to get job"))));
}, e -> listener.onFailure(new AnomalyDetectionException(detectorId, "fail to get detector"))));
}
}
57 changes: 57 additions & 0 deletions src/main/java/org/opensearch/ad/ProfileUtil.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
/*
* 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.
*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/

package org.opensearch.ad;

import org.opensearch.action.ActionListener;
import org.opensearch.action.search.SearchRequest;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.ad.constant.CommonName;
import org.opensearch.ad.model.AnomalyDetector;
import org.opensearch.ad.model.AnomalyResult;
import org.opensearch.client.Client;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.builder.SearchSourceBuilder;

public class ProfileUtil {
/**
* Create search request to check if we have at least 1 anomaly score larger than 0 after AD job enabled time
* @param detectorId detector id
* @param enabledTime the time when AD job is enabled in milliseconds
* @return the search request
*/
private static SearchRequest createInittedEverRequest(String detectorId, long enabledTime, String resultIndex) {
BoolQueryBuilder filterQuery = new BoolQueryBuilder();
filterQuery.filter(QueryBuilders.termQuery(AnomalyResult.DETECTOR_ID_FIELD, detectorId));
filterQuery.filter(QueryBuilders.rangeQuery(AnomalyResult.EXECUTION_END_TIME_FIELD).gte(enabledTime));
filterQuery.filter(QueryBuilders.rangeQuery(AnomalyResult.ANOMALY_SCORE_FIELD).gt(0));

SearchSourceBuilder source = new SearchSourceBuilder().query(filterQuery).size(1);

SearchRequest request = new SearchRequest(CommonName.ANOMALY_RESULT_INDEX_ALIAS);
request.source(source);
if (resultIndex != null) {
request.indices(resultIndex);
}
return request;
}

public static void confirmDetectorInitStatus(
AnomalyDetector detector,
long enabledTime,
Client client,
ActionListener<SearchResponse> listener
) {
SearchRequest searchLatestResult = createInittedEverRequest(detector.getDetectorId(), enabledTime, detector.getResultIndex());
client.search(searchLatestResult, listener);
}
}
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