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Delete useless loop in TransportBulkAction$BulkOperation.doRun() #16950

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merged 1 commit into from
Jan 10, 2025
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Delete useless loop in TransportBulkAction$BulkOperation.doRun() #16950

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23 changes: 8 additions & 15 deletions server/src/main/java/org/opensearch/action/bulk/TransportBulkAction.java
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Original file line number Diff line number Diff line change
Expand Up @@ -532,6 +532,8 @@ protected void doRun() {
}
final ConcreteIndices concreteIndices = new ConcreteIndices(clusterState, indexNameExpressionResolver);
Metadata metadata = clusterState.metadata();
// go over all the requests and create a ShardId -> Operations mapping
Map<ShardId, List<BulkItemRequest>> requestsByShard = new HashMap<>();
for (int i = 0; i < bulkRequest.requests.size(); i++) {
DocWriteRequest<?> docWriteRequest = bulkRequest.requests.get(i);
// the request can only be null because we set it to null in the previous step, so it gets ignored
Expand Down Expand Up @@ -587,6 +589,12 @@ protected void doRun() {
default:
throw new AssertionError("request type not supported: [" + docWriteRequest.opType() + "]");
}

ShardId shardId = clusterService.operationRouting()
.indexShards(clusterState, concreteIndex.getName(), docWriteRequest.id(), docWriteRequest.routing())
.shardId();
List<BulkItemRequest> shardRequests = requestsByShard.computeIfAbsent(shardId, shard -> new ArrayList<>());
shardRequests.add(new BulkItemRequest(i, docWriteRequest));
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} catch (OpenSearchParseException | IllegalArgumentException | RoutingMissingException e) {
BulkItemResponse.Failure failure = new BulkItemResponse.Failure(concreteIndex.getName(), docWriteRequest.id(), e);
BulkItemResponse bulkItemResponse = new BulkItemResponse(i, docWriteRequest.opType(), failure);
Expand All @@ -596,21 +604,6 @@ protected void doRun() {
}
}

// first, go over all the requests and create a ShardId -> Operations mapping
Map<ShardId, List<BulkItemRequest>> requestsByShard = new HashMap<>();
for (int i = 0; i < bulkRequest.requests.size(); i++) {
DocWriteRequest<?> request = bulkRequest.requests.get(i);
if (request == null) {
continue;
}
String concreteIndex = concreteIndices.getConcreteIndex(request.index()).getName();
ShardId shardId = clusterService.operationRouting()
.indexShards(clusterState, concreteIndex, request.id(), request.routing())
.shardId();
List<BulkItemRequest> shardRequests = requestsByShard.computeIfAbsent(shardId, shard -> new ArrayList<>());
shardRequests.add(new BulkItemRequest(i, request));
}

if (requestsByShard.isEmpty()) {
BulkItemResponse[] response = responses.toArray(new BulkItemResponse[responses.length()]);
long tookMillis = buildTookInMillis(startTimeNanos);
Expand Down
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