[Backport] [2.x] [Concurrent Segment Search]: Add new query profile c…

…ollector fields with concurrent search execution (#7898) (#7975) * Add new query profile collector fields with concurrent search execution (#7898) * Bringing new query profile collector fields with concurrent search execution Signed-off-by: Ticheng Lin <[email protected]> * Update CHANGELOG.md and fix gradle check format violations Signed-off-by: Ticheng Lin <[email protected]> * Change query profile collector field data types to primitives and add more tests Signed-off-by: Ticheng Lin <[email protected]> --------- Signed-off-by: Ticheng Lin <[email protected]> Signed-off-by: Ticheng Lin <[email protected]> (cherry picked from commit c58dc1a) Signed-off-by: Ticheng Lin <[email protected]> * Update server/src/main/java/org/opensearch/search/profile/query/CollectorResult.java Co-authored-by: Andriy Redko <[email protected]> Signed-off-by: Ticheng Lin <[email protected]> * Update server/src/main/java/org/opensearch/search/profile/query/CollectorResult.java Co-authored-by: Andriy Redko <[email protected]> Signed-off-by: Ticheng Lin <[email protected]> --------- Signed-off-by: Ticheng Lin <[email protected]> Signed-off-by: Ticheng Lin <[email protected]> Co-authored-by: Andriy Redko <[email protected]>
opensearch-project · Jun 9, 2023 · bb4883b · bb4883b
1 parent e7012c3
commit bb4883b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add ZSTD compression for snapshotting ([#2996](https://github.com/opensearch-project/OpenSearch/pull/2996))
 - Change `com.amazonaws.sdk.ec2MetadataServiceEndpointOverride` to `aws.ec2MetadataServiceEndpoint` ([7372](https://github.com/opensearch-project/OpenSearch/pull/7372/))
 - Change `com.amazonaws.sdk.stsEndpointOverride` to `aws.stsEndpointOverride` ([7372](https://github.com/opensearch-project/OpenSearch/pull/7372/))
+- Add new query profile collector fields with concurrent search execution ([#7898](https://github.com/opensearch-project/OpenSearch/pull/7898))
 
 ### Deprecated
 

diff --git a/server/src/main/java/org/opensearch/search/profile/query/CollectorResult.java b/server/src/main/java/org/opensearch/search/profile/query/CollectorResult.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.search.profile.query;
 
+import org.opensearch.Version;
 import org.opensearch.core.ParseField;
 import org.opensearch.common.io.stream.StreamInput;
 import org.opensearch.common.io.stream.StreamOutput;
@@ -66,11 +67,17 @@ public class CollectorResult implements ToXContentObject, Writeable {
     public static final String REASON_SEARCH_MULTI = "search_multi";
     public static final String REASON_AGGREGATION = "aggregation";
     public static final String REASON_AGGREGATION_GLOBAL = "aggregation_global";
+    public static final String COLLECTOR_MANAGER = "CollectorManager";
 
     private static final ParseField NAME = new ParseField("name");
     private static final ParseField REASON = new ParseField("reason");
     private static final ParseField TIME = new ParseField("time");
     private static final ParseField TIME_NANOS = new ParseField("time_in_nanos");
+    private static final ParseField REDUCE_TIME_NANOS = new ParseField("reduce_time_in_nanos");
+    private static final ParseField MAX_SLICE_TIME_NANOS = new ParseField("max_slice_time_in_nanos");
+    private static final ParseField MIN_SLICE_TIME_IN_NANOS = new ParseField("min_slice_time_in_nanos");
+    private static final ParseField AVG_SLICE_TIME_IN_NANOS = new ParseField("avg_slice_time_in_nanos");
+    private static final ParseField SLICE_COUNT = new ParseField("slice_count");
     private static final ParseField CHILDREN = new ParseField("children");
 
     /**
@@ -86,17 +93,61 @@ public class CollectorResult implements ToXContentObject, Writeable {
     /**
      * The total elapsed time for this Collector
      */
-    private final Long time;
+    private final long time;
+
+    /**
+     * The total elapsed time in reduce phase for this CollectorManager
+     */
+    private final long reduceTime;
+
+    /**
+     * The maximum slice time for this CollectorManager
+     */
+    private final long maxSliceTime;
+
+    /**
+     * The minimum slice time for this CollectorManager
+     */
+    private final long minSliceTime;
+
+    /**
+     * The average slice time for this CollectorManager
+     */
+    private final long avgSliceTime;
+
+    /**
+     * The segment slice count for this CollectorManager
+     */
+    private final int sliceCount;
 
     /**
      * A list of children collectors "embedded" inside this collector
      */
     private List<CollectorResult> children;
 
-    public CollectorResult(String collectorName, String reason, Long time, List<CollectorResult> children) {
+    public CollectorResult(String collectorName, String reason, long time, List<CollectorResult> children) {
+        this(collectorName, reason, time, 0L, time, time, time, 1, children);
+    }
+
+    public CollectorResult(
+        String collectorName,
+        String reason,
+        long time,
+        long reduceTime,
+        long maxSliceTime,
+        long minSliceTime,
+        long avgSliceTime,
+        int sliceCount,
+        List<CollectorResult> children
+    ) {
         this.collectorName = collectorName;
         this.reason = reason;
         this.time = time;
+        this.reduceTime = reduceTime;
+        this.maxSliceTime = maxSliceTime;
+        this.minSliceTime = minSliceTime;
+        this.avgSliceTime = avgSliceTime;
+        this.sliceCount = sliceCount;
         this.children = children;
     }
 
@@ -113,6 +164,19 @@ public CollectorResult(StreamInput in) throws IOException {
             CollectorResult child = new CollectorResult(in);
             this.children.add(child);
         }
+        if (in.getVersion().onOrAfter(Version.V_2_9_0)) {
+            this.reduceTime = in.readLong();
+            this.maxSliceTime = in.readLong();
+            this.minSliceTime = in.readLong();
+            this.avgSliceTime = in.readLong();
+            this.sliceCount = in.readVInt();
+        } else {
+            this.reduceTime = 0L;
+            this.maxSliceTime = this.time;
+            this.minSliceTime = this.time;
+            this.avgSliceTime = this.time;
+            this.sliceCount = 1;
+        }
     }
 
     @Override
@@ -124,31 +188,73 @@ public void writeTo(StreamOutput out) throws IOException {
         for (CollectorResult child : children) {
             child.writeTo(out);
         }
+        if (out.getVersion().onOrAfter(Version.V_2_9_0)) {
+            out.writeLong(reduceTime);
+            out.writeLong(maxSliceTime);
+            out.writeLong(minSliceTime);
+            out.writeLong(avgSliceTime);
+            out.writeVInt(sliceCount);
+        }
     }
 
     /**
-     * @return the profiled time for this collector (inclusive of children)
+     * @return the profiled time for this collector/collector manager (inclusive of children)
      */
     public long getTime() {
         return this.time;
     }
 
     /**
-     * @return a human readable "hint" about what this collector was used for
+     * @return the profiled reduce time for this collector manager (inclusive of children)
+     */
+    public long getReduceTime() {
+        return this.reduceTime;
+    }
+
+    /**
+     * @return the profiled maximum slice time for this collector manager (inclusive of children)
+     */
+    public long getMaxSliceTime() {
+        return this.maxSliceTime;
+    }
+
+    /**
+     * @return the profiled minimum slice time for this collector manager (inclusive of children)
+     */
+    public long getMinSliceTime() {
+        return this.minSliceTime;
+    }
+
+    /**
+     * @return the profiled average slice time for this collector manager (inclusive of children)
+     */
+    public long getAvgSliceTime() {
+        return this.avgSliceTime;
+    }
+
+    /**
+     * @return the profiled segment slice count for this collector manager (inclusive of children)
+     */
+    public int getSliceCount() {
+        return this.sliceCount;
+    }
+
+    /**
+     * @return a human readable "hint" about what this collector/collector manager was used for
      */
     public String getReason() {
         return this.reason;
     }
 
     /**
-     * @return the lucene class name of the collector
+     * @return the lucene class name of the collector/collector manager
      */
     public String getName() {
         return this.collectorName;
     }
 
     /**
-     * @return a list of children collectors
+     * @return a list of children collectors/collector managers
      */
     public List<CollectorResult> getProfiledChildren() {
         return children;
@@ -163,6 +269,13 @@ public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params par
             builder.field(TIME.getPreferredName(), new TimeValue(getTime(), TimeUnit.NANOSECONDS).toString());
         }
         builder.field(TIME_NANOS.getPreferredName(), getTime());
+        if (getName().contains(COLLECTOR_MANAGER)) {
+            builder.field(REDUCE_TIME_NANOS.getPreferredName(), getReduceTime());
+            builder.field(MAX_SLICE_TIME_NANOS.getPreferredName(), getMaxSliceTime());
+            builder.field(MIN_SLICE_TIME_IN_NANOS.getPreferredName(), getMinSliceTime());
+            builder.field(AVG_SLICE_TIME_IN_NANOS.getPreferredName(), getAvgSliceTime());
+            builder.field(SLICE_COUNT.getPreferredName(), getSliceCount());
+        }
 
         if (!children.isEmpty()) {
             builder = builder.startArray(CHILDREN.getPreferredName());
@@ -181,6 +294,11 @@ public static CollectorResult fromXContent(XContentParser parser) throws IOExcep
         String currentFieldName = null;
         String name = null, reason = null;
         long time = -1;
+        long reduceTime = -1;
+        long maxSliceTime = -1;
+        long minSliceTime = -1;
+        long avgSliceTime = -1;
+        int sliceCount = 0;
         List<CollectorResult> children = new ArrayList<>();
         while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
             if (token == XContentParser.Token.FIELD_NAME) {
@@ -195,6 +313,16 @@ public static CollectorResult fromXContent(XContentParser parser) throws IOExcep
                     parser.text();
                 } else if (TIME_NANOS.match(currentFieldName, parser.getDeprecationHandler())) {
                     time = parser.longValue();
+                } else if (REDUCE_TIME_NANOS.match(currentFieldName, parser.getDeprecationHandler())) {
+                    reduceTime = parser.longValue();
+                } else if (MAX_SLICE_TIME_NANOS.match(currentFieldName, parser.getDeprecationHandler())) {
+                    maxSliceTime = parser.longValue();
+                } else if (MIN_SLICE_TIME_IN_NANOS.match(currentFieldName, parser.getDeprecationHandler())) {
+                    minSliceTime = parser.longValue();
+                } else if (AVG_SLICE_TIME_IN_NANOS.match(currentFieldName, parser.getDeprecationHandler())) {
+                    avgSliceTime = parser.longValue();
+                } else if (SLICE_COUNT.match(currentFieldName, parser.getDeprecationHandler())) {
+                    sliceCount = parser.intValue();
                 } else {
                     parser.skipChildren();
                 }
@@ -210,6 +338,6 @@ public static CollectorResult fromXContent(XContentParser parser) throws IOExcep
                 parser.skipChildren();
             }
         }
-        return new CollectorResult(name, reason, time, children);
+        return new CollectorResult(name, reason, time, reduceTime, maxSliceTime, minSliceTime, avgSliceTime, sliceCount, children);
     }
 }
diff --git a/server/src/main/java/org/opensearch/search/profile/query/InternalProfileCollector.java b/server/src/main/java/org/opensearch/search/profile/query/InternalProfileCollector.java
@@ -87,6 +87,13 @@ public long getTime() {
         return collector.getTime();
     }
 
+    /**
+     * @return the profiled start time for this collector (inclusive of children)
+     */
+    public long getSliceStartTime() {
+        return collector.getSliceStartTime();
+    }
+
     /**
      * @return a human readable "hint" about what this collector was used for
      */

diff --git a/...er/src/main/java/org/opensearch/search/profile/query/InternalProfileCollectorManager.java b/...er/src/main/java/org/opensearch/search/profile/query/InternalProfileCollectorManager.java
@@ -31,6 +31,13 @@ public class InternalProfileCollectorManager
     private final String reason;
     private final List<InternalProfileCollectorManager> children;
     private long time = 0;
+    private long reduceTime = 0;
+    private long maxSliceEndTime = Long.MIN_VALUE;
+    private long minSliceStartTime = Long.MAX_VALUE;
+    private long maxSliceTime = 0;
+    private long minSliceTime = Long.MAX_VALUE;
+    private long avgSliceTime = 0;
+    private int sliceCount = 0;
 
     public InternalProfileCollectorManager(
         CollectorManager<? extends Collector, ReduceableSearchResult> manager,
@@ -50,14 +57,27 @@ public InternalProfileCollector newCollector() throws IOException {
     @SuppressWarnings("unchecked")
     @Override
     public ReduceableSearchResult reduce(Collection<InternalProfileCollector> collectors) throws IOException {
-        final Collection<Collector> subs = new ArrayList<>();
+        final long reduceStart = System.nanoTime();
+        try {
+            final Collection<Collector> subs = new ArrayList<>();
 
-        for (final InternalProfileCollector collector : collectors) {
-            subs.add(collector.getCollector());
-            time += collector.getTime();
+            for (final InternalProfileCollector collector : collectors) {
+                subs.add(collector.getCollector());
+                maxSliceEndTime = Math.max(maxSliceEndTime, collector.getSliceStartTime() + collector.getTime());
+                minSliceStartTime = Math.min(minSliceStartTime, collector.getSliceStartTime());
+                maxSliceTime = Math.max(maxSliceTime, collector.getTime());
+                minSliceTime = Math.min(minSliceTime, collector.getTime());
+                avgSliceTime += collector.getTime();
+            }
+            time = maxSliceEndTime - minSliceStartTime;
+            sliceCount = collectors.size();
+            avgSliceTime = sliceCount == 0 ? 0 : avgSliceTime / sliceCount;
+
+            return ((CollectorManager<Collector, ReduceableSearchResult>) manager).reduce(subs);
+        } finally {
+            reduceTime = Math.max(1, System.nanoTime() - reduceStart);
         }
 
-        return ((CollectorManager<Collector, ReduceableSearchResult>) manager).reduce(subs);
     }
 
     @Override
@@ -70,6 +90,26 @@ public long getTime() {
         return time;
     }
 
+    public long getReduceTime() {
+        return reduceTime;
+    }
+
+    public long getMaxSliceTime() {
+        return maxSliceTime;
+    }
+
+    public long getMinSliceTime() {
+        return minSliceTime;
+    }
+
+    public long getAvgSliceTime() {
+        return avgSliceTime;
+    }
+
+    public int getSliceCount() {
+        return sliceCount;
+    }
+
     @Override
     public Collection<? extends InternalProfileComponent> children() {
         return children;
@@ -82,7 +122,26 @@ public String getName() {
 
     @Override
     public CollectorResult getCollectorTree() {
-        return InternalProfileCollector.doGetCollectorTree(this);
+        return doGetCollectorManagerTree(this);
+    }
+
+    static CollectorResult doGetCollectorManagerTree(InternalProfileCollectorManager collector) {
+        List<CollectorResult> childResults = new ArrayList<>(collector.children().size());
+        for (InternalProfileComponent child : collector.children()) {
+            CollectorResult result = doGetCollectorManagerTree((InternalProfileCollectorManager) child);
+            childResults.add(result);
+        }
+        return new CollectorResult(
+            collector.getName(),
+            collector.getReason(),
+            collector.getTime(),
+            collector.getReduceTime(),
+            collector.getMaxSliceTime(),
+            collector.getMinSliceTime(),
+            collector.getAvgSliceTime(),
+            collector.getSliceCount(),
+            childResults
+        );
     }
 
     @Override