adamdebreceni commented on code in PR #2209:
URL: https://github.com/apache/nifi-minifi-cpp/pull/2209#discussion_r3843232395
##########
extensions/rocksdb-repos/tests/ProvenanceTests.cpp:
##########
@@ -127,11 +130,14 @@ TEST_CASE("Test Flowfile record added to provenance using
Volatile Repo", "[Test
record1->addChildFlowFile(*ffr1);
auto sample = 65555ms;
- std::shared_ptr<core::Repository> testRepository =
std::make_shared<core::repository::VolatileProvenanceRepository>();
+ auto testRepository =
std::make_shared<core::repository::VolatileProvenanceRepository>();
testRepository->initialize(nullptr);
record1->setEventDuration(sample);
- testRepository->storeElement(record1);
+ testRepository->appendEvents({record1});
+
+ utils::Identifier eventId = record1->getEventId();
Review Comment:
done
##########
extensions/rocksdb-repos/RocksDbProvenanceRepository.cpp:
##########
@@ -0,0 +1,207 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "RocksDbProvenanceRepository.h"
+
+#include <string>
+
+#include "core/Resource.h"
+
+namespace org::apache::nifi::minifi::provenance {
+
+namespace {
+class EventCursor : public ProvenanceRepository::Cursor {
+public:
+ explicit EventCursor(std::string event_id): event_id_(std::move(event_id)) {}
+ [[nodiscard]]
+ std::string toString() const override {
+ return event_id_;
+ }
+ ~EventCursor() override = default;
+
+ std::string event_id_;
+};
+} // namespace
+
+static const std::string_view NEXT_EVENT_UUID_KEY = "next_event_uuid";
+
+bool RocksDbProvenanceRepository::initialize(const
std::shared_ptr<org::apache::nifi::minifi::Configure> &config) {
+ if (!RocksDbRepository::initialize(config)) {
+ return false;
+ }
+ std::string value;
+ if (config->get(Configure::nifi_provenance_repository_directory_default,
value) && !value.empty()) {
+ directory_ = value;
+ }
+ logger_->log_debug("MiNiFi Provenance Repository Directory {}", directory_);
+ if (config->get(Configure::nifi_provenance_repository_max_storage_size,
value)) {
+ max_partition_bytes_ = gsl::narrow<int64_t>(parsing::parseDataSize(value)
| utils::orThrow("expected parsable data size"));
+ }
+ logger_->log_debug("MiNiFi Provenance Max Partition Bytes {}",
max_partition_bytes_);
+ if (config->get(Configure::nifi_provenance_repository_max_storage_time,
value)) {
+ if (auto max_partition =
utils::timeutils::StringToDuration<std::chrono::milliseconds>(value))
+ max_partition_millis_ = *max_partition;
+ }
+ logger_->log_debug("MiNiFi Provenance Max Storage Time: [{}]",
max_partition_millis_);
+
+ verify_checksums_in_rocksdb_reads_ =
(config->get(Configure::nifi_provenance_repository_rocksdb_read_verify_checksums)
| utils::andThen(&utils::string::toBool)).value_or(false);
+ logger_->log_debug("{} checksum verification in
RocksDbProvenanceRepository", verify_checksums_in_rocksdb_reads_ ? "Using" :
"Not using");
+
+ auto db_options = [] (minifi::internal::Writable<rocksdb::DBOptions>&
db_opts) {
+ minifi::internal::setCommonRocksDbOptions(db_opts);
+ };
+
+ // Rocksdb write buffers act as a log of database operation: grow till
reaching the limit, serialized after
+ // This shouldn't go above 16MB and the configured total size of the db
should cap it as well
+ auto cf_options = [this] (rocksdb::ColumnFamilyOptions& cf_opts) {
+ int64_t max_buffer_size = 16 << 20;
+ cf_opts.write_buffer_size = gsl::narrow<size_t>(std::min(max_buffer_size,
max_partition_bytes_));
Review Comment:
done
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