@Override
protected void shardOperationOnReplica(ShardId shardId, BulkShardRequest request) {
IndexService indexService = indicesService.indexServiceSafe(shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardId.id());
Translog.Location location = null;
for (int i = 0; i < request.items().length; i++) {
BulkItemRequest item = request.items()[i];
if (item == null || item.isIgnoreOnReplica()) {
continue;
}
if (item.request() instanceof IndexRequest) {
IndexRequest indexRequest = (IndexRequest) item.request();
try {
SourceToParse sourceToParse =
SourceToParse.source(SourceToParse.Origin.REPLICA, indexRequest.source())
.index(shardId.getIndex())
.type(indexRequest.type())
.id(indexRequest.id())
.routing(indexRequest.routing())
.parent(indexRequest.parent())
.timestamp(indexRequest.timestamp())
.ttl(indexRequest.ttl());
final Engine.IndexingOperation operation;
if (indexRequest.opType() == IndexRequest.OpType.INDEX) {
operation =
indexShard.prepareIndex(
sourceToParse,
indexRequest.version(),
indexRequest.versionType(),
Engine.Operation.Origin.REPLICA,
request.canHaveDuplicates() || indexRequest.canHaveDuplicates());
} else {
assert indexRequest.opType() == IndexRequest.OpType.CREATE : indexRequest.opType();
operation =
indexShard.prepareCreate(
sourceToParse,
indexRequest.version(),
indexRequest.versionType(),
Engine.Operation.Origin.REPLICA,
request.canHaveDuplicates() || indexRequest.canHaveDuplicates(),
indexRequest.autoGeneratedId());
}
Mapping update = operation.parsedDoc().dynamicMappingsUpdate();
if (update != null) {
throw new RetryOnReplicaException(
shardId,
"Mappings are not available on the replica yet, triggered update: " + update);
}
operation.execute(indexShard);
location = locationToSync(location, operation.getTranslogLocation());
} catch (Throwable e) {
// if its not an ignore replica failure, we need to make sure to bubble up the failure
// so we will fail the shard
if (!ignoreReplicaException(e)) {
throw e;
}
}
} else if (item.request() instanceof DeleteRequest) {
DeleteRequest deleteRequest = (DeleteRequest) item.request();
try {
Engine.Delete delete =
indexShard.prepareDelete(
deleteRequest.type(),
deleteRequest.id(),
deleteRequest.version(),
deleteRequest.versionType(),
Engine.Operation.Origin.REPLICA);
indexShard.delete(delete);
location = locationToSync(location, delete.getTranslogLocation());
} catch (Throwable e) {
// if its not an ignore replica failure, we need to make sure to bubble up the failure
// so we will fail the shard
if (!ignoreReplicaException(e)) {
throw e;
}
}
} else {
throw new IllegalStateException("Unexpected index operation: " + item.request());
}
}
processAfter(request.refresh(), indexShard, location);
}
@Override
protected Tuple<BulkShardResponse, BulkShardRequest> shardOperationOnPrimary(
ClusterState clusterState, PrimaryOperationRequest shardRequest) {
final BulkShardRequest request = shardRequest.request;
final IndexService indexService = indicesService.indexServiceSafe(request.index());
final IndexShard indexShard = indexService.shardSafe(shardRequest.shardId.id());
long[] preVersions = new long[request.items().length];
VersionType[] preVersionTypes = new VersionType[request.items().length];
Translog.Location location = null;
for (int requestIndex = 0; requestIndex < request.items().length; requestIndex++) {
BulkItemRequest item = request.items()[requestIndex];
if (item.request() instanceof IndexRequest) {
IndexRequest indexRequest = (IndexRequest) item.request();
preVersions[requestIndex] = indexRequest.version();
preVersionTypes[requestIndex] = indexRequest.versionType();
try {
WriteResult<IndexResponse> result =
shardIndexOperation(request, indexRequest, clusterState, indexShard, true);
location = locationToSync(location, result.location);
// add the response
IndexResponse indexResponse = result.response();
setResponse(
item,
new BulkItemResponse(item.id(), indexRequest.opType().lowercase(), indexResponse));
} catch (Throwable e) {
// rethrow the failure if we are going to retry on primary and let parent failure to
// handle it
if (retryPrimaryException(e)) {
// restore updated versions...
for (int j = 0; j < requestIndex; j++) {
applyVersion(request.items()[j], preVersions[j], preVersionTypes[j]);
}
throw (ElasticsearchException) e;
}
if (ExceptionsHelper.status(e) == RestStatus.CONFLICT) {
logger.trace(
"{} failed to execute bulk item (index) {}", e, shardRequest.shardId, indexRequest);
} else {
logger.debug(
"{} failed to execute bulk item (index) {}", e, shardRequest.shardId, indexRequest);
}
// if its a conflict failure, and we already executed the request on a primary (and we
// execute it
// again, due to primary relocation and only processing up to N bulk items when the shard
// gets closed)
// then just use the response we got from the successful execution
if (item.getPrimaryResponse() != null && isConflictException(e)) {
setResponse(item, item.getPrimaryResponse());
} else {
setResponse(
item,
new BulkItemResponse(
item.id(),
indexRequest.opType().lowercase(),
new BulkItemResponse.Failure(
request.index(), indexRequest.type(), indexRequest.id(), e)));
}
}
} else if (item.request() instanceof DeleteRequest) {
DeleteRequest deleteRequest = (DeleteRequest) item.request();
preVersions[requestIndex] = deleteRequest.version();
preVersionTypes[requestIndex] = deleteRequest.versionType();
try {
// add the response
final WriteResult<DeleteResponse> writeResult =
shardDeleteOperation(request, deleteRequest, indexShard);
DeleteResponse deleteResponse = writeResult.response();
location = locationToSync(location, writeResult.location);
setResponse(item, new BulkItemResponse(item.id(), OP_TYPE_DELETE, deleteResponse));
} catch (Throwable e) {
// rethrow the failure if we are going to retry on primary and let parent failure to
// handle it
if (retryPrimaryException(e)) {
// restore updated versions...
for (int j = 0; j < requestIndex; j++) {
applyVersion(request.items()[j], preVersions[j], preVersionTypes[j]);
}
throw (ElasticsearchException) e;
}
if (ExceptionsHelper.status(e) == RestStatus.CONFLICT) {
logger.trace(
"{} failed to execute bulk item (delete) {}",
e,
shardRequest.shardId,
deleteRequest);
} else {
logger.debug(
"{} failed to execute bulk item (delete) {}",
e,
shardRequest.shardId,
deleteRequest);
}
// if its a conflict failure, and we already executed the request on a primary (and we
// execute it
// again, due to primary relocation and only processing up to N bulk items when the shard
// gets closed)
// then just use the response we got from the successful execution
if (item.getPrimaryResponse() != null && isConflictException(e)) {
setResponse(item, item.getPrimaryResponse());
} else {
setResponse(
item,
new BulkItemResponse(
item.id(),
OP_TYPE_DELETE,
new BulkItemResponse.Failure(
request.index(), deleteRequest.type(), deleteRequest.id(), e)));
}
}
} else if (item.request() instanceof UpdateRequest) {
UpdateRequest updateRequest = (UpdateRequest) item.request();
preVersions[requestIndex] = updateRequest.version();
preVersionTypes[requestIndex] = updateRequest.versionType();
// We need to do the requested retries plus the initial attempt. We don't do <
// 1+retry_on_conflict because retry_on_conflict may be Integer.MAX_VALUE
for (int updateAttemptsCount = 0;
updateAttemptsCount <= updateRequest.retryOnConflict();
updateAttemptsCount++) {
UpdateResult updateResult;
try {
updateResult = shardUpdateOperation(clusterState, request, updateRequest, indexShard);
} catch (Throwable t) {
updateResult = new UpdateResult(null, null, false, t, null);
}
if (updateResult.success()) {
if (updateResult.writeResult != null) {
location = locationToSync(location, updateResult.writeResult.location);
}
switch (updateResult.result.operation()) {
case UPSERT:
case INDEX:
WriteResult<IndexResponse> result = updateResult.writeResult;
IndexRequest indexRequest = updateResult.request();
BytesReference indexSourceAsBytes = indexRequest.source();
// add the response
IndexResponse indexResponse = result.response();
UpdateResponse updateResponse =
new UpdateResponse(
indexResponse.getShardInfo(),
indexResponse.getIndex(),
indexResponse.getType(),
indexResponse.getId(),
indexResponse.getVersion(),
indexResponse.isCreated());
if (updateRequest.fields() != null && updateRequest.fields().length > 0) {
Tuple<XContentType, Map<String, Object>> sourceAndContent =
XContentHelper.convertToMap(indexSourceAsBytes, true);
updateResponse.setGetResult(
updateHelper.extractGetResult(
updateRequest,
shardRequest.request.index(),
indexResponse.getVersion(),
sourceAndContent.v2(),
sourceAndContent.v1(),
indexSourceAsBytes));
}
item =
request.items()[requestIndex] =
new BulkItemRequest(request.items()[requestIndex].id(), indexRequest);
setResponse(item, new BulkItemResponse(item.id(), OP_TYPE_UPDATE, updateResponse));
break;
case DELETE:
WriteResult<DeleteResponse> writeResult = updateResult.writeResult;
DeleteResponse response = writeResult.response();
DeleteRequest deleteRequest = updateResult.request();
updateResponse =
new UpdateResponse(
response.getShardInfo(),
response.getIndex(),
response.getType(),
response.getId(),
response.getVersion(),
false);
updateResponse.setGetResult(
updateHelper.extractGetResult(
updateRequest,
shardRequest.request.index(),
response.getVersion(),
updateResult.result.updatedSourceAsMap(),
updateResult.result.updateSourceContentType(),
null));
// Replace the update request to the translated delete request to execute on the
// replica.
item =
request.items()[requestIndex] =
new BulkItemRequest(request.items()[requestIndex].id(), deleteRequest);
setResponse(item, new BulkItemResponse(item.id(), OP_TYPE_UPDATE, updateResponse));
break;
case NONE:
setResponse(
item, new BulkItemResponse(item.id(), OP_TYPE_UPDATE, updateResult.noopResult));
item.setIgnoreOnReplica(); // no need to go to the replica
break;
}
// NOTE: Breaking out of the retry_on_conflict loop!
break;
} else if (updateResult.failure()) {
Throwable t = updateResult.error;
if (updateResult.retry) {
// updateAttemptCount is 0 based and marks current attempt, if it's equal to
// retryOnConflict we are going out of the iteration
if (updateAttemptsCount >= updateRequest.retryOnConflict()) {
setResponse(
item,
new BulkItemResponse(
item.id(),
OP_TYPE_UPDATE,
new BulkItemResponse.Failure(
request.index(), updateRequest.type(), updateRequest.id(), t)));
}
} else {
// rethrow the failure if we are going to retry on primary and let parent failure to
// handle it
if (retryPrimaryException(t)) {
// restore updated versions...
for (int j = 0; j < requestIndex; j++) {
applyVersion(request.items()[j], preVersions[j], preVersionTypes[j]);
}
throw (ElasticsearchException) t;
}
// if its a conflict failure, and we already executed the request on a primary (and we
// execute it
// again, due to primary relocation and only processing up to N bulk items when the
// shard gets closed)
// then just use the response we got from the successful execution
if (item.getPrimaryResponse() != null && isConflictException(t)) {
setResponse(item, item.getPrimaryResponse());
} else if (updateResult.result == null) {
setResponse(
item,
new BulkItemResponse(
item.id(),
OP_TYPE_UPDATE,
new BulkItemResponse.Failure(
shardRequest.request.index(),
updateRequest.type(),
updateRequest.id(),
t)));
} else {
switch (updateResult.result.operation()) {
case UPSERT:
case INDEX:
IndexRequest indexRequest = updateResult.request();
if (ExceptionsHelper.status(t) == RestStatus.CONFLICT) {
logger.trace(
"{} failed to execute bulk item (index) {}",
t,
shardRequest.shardId,
indexRequest);
} else {
logger.debug(
"{} failed to execute bulk item (index) {}",
t,
shardRequest.shardId,
indexRequest);
}
setResponse(
item,
new BulkItemResponse(
item.id(),
OP_TYPE_UPDATE,
new BulkItemResponse.Failure(
request.index(), indexRequest.type(), indexRequest.id(), t)));
break;
case DELETE:
DeleteRequest deleteRequest = updateResult.request();
if (ExceptionsHelper.status(t) == RestStatus.CONFLICT) {
logger.trace(
"{} failed to execute bulk item (delete) {}",
t,
shardRequest.shardId,
deleteRequest);
} else {
logger.debug(
"{} failed to execute bulk item (delete) {}",
t,
shardRequest.shardId,
deleteRequest);
}
setResponse(
item,
new BulkItemResponse(
item.id(),
OP_TYPE_DELETE,
new BulkItemResponse.Failure(
request.index(), deleteRequest.type(), deleteRequest.id(), t)));
break;
}
}
// NOTE: Breaking out of the retry_on_conflict loop!
break;
}
}
}
} else {
throw new IllegalStateException("Unexpected index operation: " + item.request());
}
assert item.getPrimaryResponse() != null;
assert preVersionTypes[requestIndex] != null;
}
processAfter(request.refresh(), indexShard, location);
BulkItemResponse[] responses = new BulkItemResponse[request.items().length];
BulkItemRequest[] items = request.items();
for (int i = 0; i < items.length; i++) {
responses[i] = items[i].getPrimaryResponse();
}
return new Tuple<>(
new BulkShardResponse(shardRequest.shardId, responses), shardRequest.request);
}