Add tracing instrumentation for indexing paths (#10273)

* Add tracing instrumentation for indexing paths Signed-off-by: Shreyansh Ray <[email protected]> * Fix failing tests and review changes Signed-off-by: Shreyansh Ray <[email protected]> * Fix test failures due to Span not being properly closed Signed-off-by: Shreyansh Ray <[email protected]> * Changes to spans in primary and replica actions Signed-off-by: Shreyansh Ray <[email protected]> * Review comments fixes and refactoring Signed-off-by: Shreyansh Ray <[email protected]> * Precommit auto-changes Signed-off-by: Shreyansh Ray <[email protected]> * Add refresh policy as attribute Signed-off-by: Shreyansh Ray <[email protected]> * Fix changelog entry Signed-off-by: Shreyansh Ray <[email protected]> * Instrument primary/replica write in TransportWriteAction instead of TransportShardBulkAction Signed-off-by: Shreyansh Ray <[email protected]> * Modify SpanBuilder Signed-off-by: Shreyansh Ray <[email protected]> * spotlessApply and precommit Signed-off-by: Shreyansh Ray <[email protected]> * Change span names Signed-off-by: Shreyansh Ray <[email protected]> * Pass Noop Tracer instead of injected tracer Signed-off-by: Shreyansh Ray <[email protected]> * Reverting previous changes Signed-off-by: Shreyansh Ray <[email protected]> * Remove tracer variable from TransportShardBulkAction Signed-off-by: Shreyansh Ray <[email protected]> --------- Signed-off-by: Shreyansh Ray <[email protected]>
opensearch-project · Oct 20, 2023 · e691df0 · e691df0
1 parent 5093cc7
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -113,6 +113,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - [Remote Store] Add Remote Store backpressure rejection stats to `_nodes/stats` ([#10524](https://github.com/opensearch-project/OpenSearch/pull/10524))
 - [BUG] Fix java.lang.SecurityException in repository-gcs plugin ([#10642](https://github.com/opensearch-project/OpenSearch/pull/10642))
 - Add telemetry tracer/metric enable flag and integ test. ([#10395](https://github.com/opensearch-project/OpenSearch/pull/10395))
+- Add instrumentation for indexing in transport bulk action and transport shard bulk action. ([#10273](https://github.com/opensearch-project/OpenSearch/pull/10273))
 
 ### Deprecated
 

diff --git a/server/src/main/java/org/opensearch/action/bulk/TransportBulkAction.java b/server/src/main/java/org/opensearch/action/bulk/TransportBulkAction.java
@@ -85,6 +85,11 @@
 import org.opensearch.ingest.IngestService;
 import org.opensearch.node.NodeClosedException;
 import org.opensearch.tasks.Task;
+import org.opensearch.telemetry.tracing.Span;
+import org.opensearch.telemetry.tracing.SpanBuilder;
+import org.opensearch.telemetry.tracing.SpanScope;
+import org.opensearch.telemetry.tracing.Tracer;
+import org.opensearch.telemetry.tracing.listener.TraceableActionListener;
 import org.opensearch.threadpool.ThreadPool;
 import org.opensearch.threadpool.ThreadPool.Names;
 import org.opensearch.transport.TransportService;
@@ -133,6 +138,7 @@ public class TransportBulkAction extends HandledTransportAction<BulkRequest, Bul
     private final IndexingPressureService indexingPressureService;
     private final IndicesService indicesService;
     private final SystemIndices systemIndices;
+    private final Tracer tracer;
 
     @Inject
     public TransportBulkAction(
@@ -147,7 +153,8 @@ public TransportBulkAction(
         AutoCreateIndex autoCreateIndex,
         IndexingPressureService indexingPressureService,
         IndicesService indicesService,
-        SystemIndices systemIndices
+        SystemIndices systemIndices,
+        Tracer tracer
     ) {
         this(
             threadPool,
@@ -162,7 +169,8 @@ public TransportBulkAction(
             indexingPressureService,
             indicesService,
             systemIndices,
-            System::nanoTime
+            System::nanoTime,
+            tracer
         );
     }
 
@@ -179,7 +187,8 @@ public TransportBulkAction(
         IndexingPressureService indexingPressureService,
         IndicesService indicesService,
         SystemIndices systemIndices,
-        LongSupplier relativeTimeProvider
+        LongSupplier relativeTimeProvider,
+        Tracer tracer
     ) {
         super(BulkAction.NAME, transportService, actionFilters, BulkRequest::new, ThreadPool.Names.SAME);
         Objects.requireNonNull(relativeTimeProvider);
@@ -196,6 +205,7 @@ public TransportBulkAction(
         this.indicesService = indicesService;
         this.systemIndices = systemIndices;
         clusterService.addStateApplier(this.ingestForwarder);
+        this.tracer = tracer;
     }
 
     /**
@@ -642,52 +652,66 @@ protected void doRun() {
                     bulkShardRequest::ramBytesUsed,
                     isOnlySystem
                 );
-                shardBulkAction.execute(bulkShardRequest, ActionListener.runBefore(new ActionListener<BulkShardResponse>() {
-                    @Override
-                    public void onResponse(BulkShardResponse bulkShardResponse) {
-                        for (BulkItemResponse bulkItemResponse : bulkShardResponse.getResponses()) {
-                            // we may have no response if item failed
-                            if (bulkItemResponse.getResponse() != null) {
-                                bulkItemResponse.getResponse().setShardInfo(bulkShardResponse.getShardInfo());
-                            }
 
-                            docStatusStats.inc(bulkItemResponse.status());
-                            responses.set(bulkItemResponse.getItemId(), bulkItemResponse);
-                        }
+                final Span span = tracer.startSpan(SpanBuilder.from("bulkShardAction", nodeId, bulkShardRequest));
+                try (SpanScope spanScope = tracer.withSpanInScope(span)) {
+                    shardBulkAction.execute(
+                        bulkShardRequest,
+                        TraceableActionListener.create(ActionListener.runBefore(new ActionListener<BulkShardResponse>() {
+                            @Override
+                            public void onResponse(BulkShardResponse bulkShardResponse) {
+                                for (BulkItemResponse bulkItemResponse : bulkShardResponse.getResponses()) {
+                                    // we may have no response if item failed
+                                    if (bulkItemResponse.getResponse() != null) {
+                                        bulkItemResponse.getResponse().setShardInfo(bulkShardResponse.getShardInfo());
+                                    }
 
-                        if (counter.decrementAndGet() == 0) {
-                            finishHim();
-                        }
-                    }
+                                    docStatusStats.inc(bulkItemResponse.status());
+                                    responses.set(bulkItemResponse.getItemId(), bulkItemResponse);
+                                }
 
-                    @Override
-                    public void onFailure(Exception e) {
-                        // create failures for all relevant requests
-                        for (BulkItemRequest request : requests) {
-                            final String indexName = concreteIndices.getConcreteIndex(request.index()).getName();
-                            final DocWriteRequest<?> docWriteRequest = request.request();
-                            final BulkItemResponse bulkItemResponse = new BulkItemResponse(
-                                request.id(),
-                                docWriteRequest.opType(),
-                                new BulkItemResponse.Failure(indexName, docWriteRequest.id(), e)
-                            );
+                                if (counter.decrementAndGet() == 0) {
+                                    finishHim();
+                                }
+                            }
 
-                            docStatusStats.inc(bulkItemResponse.status());
-                            responses.set(request.id(), bulkItemResponse);
-                        }
+                            @Override
+                            public void onFailure(Exception e) {
+                                // create failures for all relevant requests
+                                for (BulkItemRequest request : requests) {
+                                    final String indexName = concreteIndices.getConcreteIndex(request.index()).getName();
+                                    final DocWriteRequest<?> docWriteRequest = request.request();
+                                    final BulkItemResponse bulkItemResponse = new BulkItemResponse(
+                                        request.id(),
+                                        docWriteRequest.opType(),
+                                        new BulkItemResponse.Failure(indexName, docWriteRequest.id(), e)
+                                    );
+
+                                    docStatusStats.inc(bulkItemResponse.status());
+                                    responses.set(request.id(), bulkItemResponse);
+                                }
 
-                        if (counter.decrementAndGet() == 0) {
-                            finishHim();
-                        }
-                    }
+                                if (counter.decrementAndGet() == 0) {
+                                    finishHim();
+                                }
+                            }
 
-                    private void finishHim() {
-                        indicesService.addDocStatusStats(docStatusStats);
-                        listener.onResponse(
-                            new BulkResponse(responses.toArray(new BulkItemResponse[responses.length()]), buildTookInMillis(startTimeNanos))
-                        );
-                    }
-                }, releasable::close));
+                            private void finishHim() {
+                                indicesService.addDocStatusStats(docStatusStats);
+                                listener.onResponse(
+                                    new BulkResponse(
+                                        responses.toArray(new BulkItemResponse[responses.length()]),
+                                        buildTookInMillis(startTimeNanos)
+                                    )
+                                );
+                            }
+                        }, releasable::close), span, tracer)
+                    );
+                } catch (Exception e) {
+                    span.setError(e);
+                    span.endSpan();
+                    throw e;
+                }
             }
             bulkRequest = null; // allow memory for bulk request items to be reclaimed before all items have been completed
         }

diff --git a/server/src/main/java/org/opensearch/action/bulk/TransportShardBulkAction.java b/server/src/main/java/org/opensearch/action/bulk/TransportShardBulkAction.java
@@ -99,6 +99,7 @@
 import org.opensearch.indices.SystemIndices;
 import org.opensearch.node.NodeClosedException;
 import org.opensearch.tasks.Task;
+import org.opensearch.telemetry.tracing.Tracer;
 import org.opensearch.threadpool.ThreadPool;
 import org.opensearch.threadpool.ThreadPool.Names;
 import org.opensearch.transport.TransportChannel;
@@ -161,7 +162,8 @@ public TransportShardBulkAction(
         IndexingPressureService indexingPressureService,
         SegmentReplicationPressureService segmentReplicationPressureService,
         RemoteStorePressureService remoteStorePressureService,
-        SystemIndices systemIndices
+        SystemIndices systemIndices,
+        Tracer tracer
     ) {
         super(
             settings,
@@ -177,7 +179,8 @@ public TransportShardBulkAction(
             EXECUTOR_NAME_FUNCTION,
             false,
             indexingPressureService,
-            systemIndices
+            systemIndices,
+            tracer
         );
         this.updateHelper = updateHelper;
         this.mappingUpdatedAction = mappingUpdatedAction;

diff --git a/server/src/main/java/org/opensearch/action/resync/TransportResyncReplicationAction.java b/server/src/main/java/org/opensearch/action/resync/TransportResyncReplicationAction.java
@@ -54,6 +54,7 @@
 import org.opensearch.indices.IndicesService;
 import org.opensearch.indices.SystemIndices;
 import org.opensearch.tasks.Task;
+import org.opensearch.telemetry.tracing.Tracer;
 import org.opensearch.threadpool.ThreadPool;
 import org.opensearch.threadpool.ThreadPool.Names;
 import org.opensearch.transport.TransportException;
@@ -93,7 +94,8 @@ public TransportResyncReplicationAction(
         ShardStateAction shardStateAction,
         ActionFilters actionFilters,
         IndexingPressureService indexingPressureService,
-        SystemIndices systemIndices
+        SystemIndices systemIndices,
+        Tracer tracer
     ) {
         super(
             settings,
@@ -109,7 +111,8 @@ public TransportResyncReplicationAction(
             EXECUTOR_NAME_FUNCTION,
             true, /* we should never reject resync because of thread pool capacity on primary */
             indexingPressureService,
-            systemIndices
+            systemIndices,
+            tracer
         );
     }
 

diff --git a/server/src/main/java/org/opensearch/action/support/replication/TransportWriteAction.java b/server/src/main/java/org/opensearch/action/support/replication/TransportWriteAction.java
@@ -59,6 +59,11 @@
 import org.opensearch.index.translog.Translog.Location;
 import org.opensearch.indices.IndicesService;
 import org.opensearch.indices.SystemIndices;
+import org.opensearch.telemetry.tracing.Span;
+import org.opensearch.telemetry.tracing.SpanBuilder;
+import org.opensearch.telemetry.tracing.SpanScope;
+import org.opensearch.telemetry.tracing.Tracer;
+import org.opensearch.telemetry.tracing.listener.TraceableActionListener;
 import org.opensearch.threadpool.ThreadPool;
 import org.opensearch.transport.TransportService;
 
@@ -82,6 +87,7 @@ public abstract class TransportWriteAction<
     protected final SystemIndices systemIndices;
 
     private final Function<IndexShard, String> executorFunction;
+    private final Tracer tracer;
 
     protected TransportWriteAction(
         Settings settings,
@@ -97,7 +103,8 @@ protected TransportWriteAction(
         Function<IndexShard, String> executorFunction,
         boolean forceExecutionOnPrimary,
         IndexingPressureService indexingPressureService,
-        SystemIndices systemIndices
+        SystemIndices systemIndices,
+        Tracer tracer
     ) {
         // We pass ThreadPool.Names.SAME to the super class as we control the dispatching to the
         // ThreadPool.Names.WRITE/ThreadPool.Names.SYSTEM_WRITE thread pools in this class.
@@ -119,6 +126,7 @@ protected TransportWriteAction(
         this.executorFunction = executorFunction;
         this.indexingPressureService = indexingPressureService;
         this.systemIndices = systemIndices;
+        this.tracer = tracer;
     }
 
     protected String executor(IndexShard shard) {
@@ -220,7 +228,12 @@ protected void shardOperationOnPrimary(
         threadPool.executor(executor).execute(new ActionRunnable<PrimaryResult<ReplicaRequest, Response>>(listener) {
             @Override
             protected void doRun() {
-                dispatchedShardOperationOnPrimary(request, primary, listener);
+                Span span = tracer.startSpan(
+                    SpanBuilder.from("dispatchedShardOperationOnPrimary", clusterService.localNode().getId(), request)
+                );
+                try (SpanScope spanScope = tracer.withSpanInScope(span)) {
+                    dispatchedShardOperationOnPrimary(request, primary, TraceableActionListener.create(listener, span, tracer));
+                }
             }
 
             @Override
@@ -248,7 +261,12 @@ protected void shardOperationOnReplica(ReplicaRequest request, IndexShard replic
         threadPool.executor(executorFunction.apply(replica)).execute(new ActionRunnable<ReplicaResult>(listener) {
             @Override
             protected void doRun() {
-                dispatchedShardOperationOnReplica(request, replica, listener);
+                Span span = tracer.startSpan(
+                    SpanBuilder.from("dispatchedShardOperationOnReplica", clusterService.localNode().getId(), request)
+                );
+                try (SpanScope spanScope = tracer.withSpanInScope(span)) {
+                    dispatchedShardOperationOnReplica(request, replica, TraceableActionListener.create(listener, span, tracer));
+                }
             }
 
             @Override

diff --git a/server/src/main/java/org/opensearch/index/seqno/RetentionLeaseSyncAction.java b/server/src/main/java/org/opensearch/index/seqno/RetentionLeaseSyncAction.java
@@ -62,6 +62,7 @@
 import org.opensearch.indices.IndicesService;
 import org.opensearch.indices.SystemIndices;
 import org.opensearch.tasks.Task;
+import org.opensearch.telemetry.tracing.Tracer;
 import org.opensearch.threadpool.ThreadPool;
 import org.opensearch.transport.TransportException;
 import org.opensearch.transport.TransportResponseHandler;
@@ -99,7 +100,8 @@ public RetentionLeaseSyncAction(
         final ShardStateAction shardStateAction,
         final ActionFilters actionFilters,
         final IndexingPressureService indexingPressureService,
-        final SystemIndices systemIndices
+        final SystemIndices systemIndices,
+        final Tracer tracer
     ) {
         super(
             settings,
@@ -115,7 +117,8 @@ public RetentionLeaseSyncAction(
             ignore -> ThreadPool.Names.MANAGEMENT,
             false,
             indexingPressureService,
-            systemIndices
+            systemIndices,
+            tracer
         );
     }
 

diff --git a/server/src/main/java/org/opensearch/telemetry/tracing/AttributeNames.java b/server/src/main/java/org/opensearch/telemetry/tracing/AttributeNames.java
@@ -69,4 +69,29 @@ private AttributeNames() {
      * Action Name.
      */
     public static final String TRANSPORT_ACTION = "action";
+
+    /**
+     * Index Name
+     */
+    public static final String INDEX = "index";
+
+    /**
+     * Shard ID
+     */
+    public static final String SHARD_ID = "shard_id";
+
+    /**
+     * Number of request items in bulk request
+     */
+    public static final String BULK_REQUEST_ITEMS = "bulk_request_items";
+
+    /**
+     * Node ID
+     */
+    public static final String NODE_ID = "node_id";
+
+    /**
+     * Refresh Policy
+     */
+    public static final String REFRESH_POLICY = "refresh_policy";
 }
diff --git a/server/src/main/java/org/opensearch/telemetry/tracing/SpanBuilder.java b/server/src/main/java/org/opensearch/telemetry/tracing/SpanBuilder.java
@@ -8,6 +8,8 @@
 
 package org.opensearch.telemetry.tracing;
 
+import org.opensearch.action.bulk.BulkShardRequest;
+import org.opensearch.action.support.replication.ReplicatedWriteRequest;
 import org.opensearch.common.annotation.InternalApi;
 import org.opensearch.core.common.Strings;
 import org.opensearch.http.HttpRequest;
@@ -68,6 +70,10 @@ public static SpanCreationContext from(String action, Transport.Connection conne
         return SpanCreationContext.server().name(createSpanName(action, connection)).attributes(buildSpanAttributes(action, connection));
     }
 
+    public static SpanCreationContext from(String spanName, String nodeId, ReplicatedWriteRequest request) {
+        return SpanCreationContext.server().name(spanName).attributes(buildSpanAttributes(nodeId, request));
+    }
+
     private static String createSpanName(HttpRequest httpRequest) {
         return httpRequest.method().name() + SEPARATOR + httpRequest.uri();
     }
@@ -150,4 +156,18 @@ private static Attributes buildSpanAttributes(String action, TcpChannel tcpChann
         return attributes;
     }
 
+    private static Attributes buildSpanAttributes(String nodeId, ReplicatedWriteRequest request) {
+        Attributes attributes = Attributes.create()
+            .addAttribute(AttributeNames.NODE_ID, nodeId)
+            .addAttribute(AttributeNames.REFRESH_POLICY, request.getRefreshPolicy().getValue());
+        if (request.shardId() != null) {
+            attributes.addAttribute(AttributeNames.INDEX, request.shardId().getIndexName())
+                .addAttribute(AttributeNames.SHARD_ID, request.shardId().getId());
+        }
+        if (request instanceof BulkShardRequest) {
+            attributes.addAttribute(AttributeNames.BULK_REQUEST_ITEMS, ((BulkShardRequest) request).items().length);
+        }
+        return attributes;
+    }
+
 }