fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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250 lines
8.8 KiB
250 lines
8.8 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "db/event_helpers.h"
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#include "rocksdb/convenience.h"
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#include "rocksdb/listener.h"
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#include "rocksdb/utilities/customizable_util.h"
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namespace ROCKSDB_NAMESPACE {
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#ifndef ROCKSDB_LITE
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Status EventListener::CreateFromString(const ConfigOptions& config_options,
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const std::string& id,
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std::shared_ptr<EventListener>* result) {
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return LoadSharedObject<EventListener>(config_options, id, nullptr, result);
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}
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#endif // ROCKSDB_LITE
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namespace {
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template <class T>
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inline T SafeDivide(T a, T b) {
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return b == 0 ? 0 : a / b;
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}
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} // namespace
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void EventHelpers::AppendCurrentTime(JSONWriter* jwriter) {
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*jwriter << "time_micros"
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<< std::chrono::duration_cast<std::chrono::microseconds>(
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std::chrono::system_clock::now().time_since_epoch())
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.count();
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}
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#ifndef ROCKSDB_LITE
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void EventHelpers::NotifyTableFileCreationStarted(
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const std::vector<std::shared_ptr<EventListener>>& listeners,
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const std::string& db_name, const std::string& cf_name,
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const std::string& file_path, int job_id, TableFileCreationReason reason) {
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TableFileCreationBriefInfo info;
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info.db_name = db_name;
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info.cf_name = cf_name;
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info.file_path = file_path;
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info.job_id = job_id;
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info.reason = reason;
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for (auto& listener : listeners) {
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listener->OnTableFileCreationStarted(info);
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}
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}
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#endif // !ROCKSDB_LITE
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void EventHelpers::NotifyOnBackgroundError(
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const std::vector<std::shared_ptr<EventListener>>& listeners,
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BackgroundErrorReason reason, Status* bg_error, InstrumentedMutex* db_mutex,
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bool* auto_recovery) {
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#ifndef ROCKSDB_LITE
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if (listeners.size() == 0U) {
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return;
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}
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db_mutex->AssertHeld();
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// release lock while notifying events
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db_mutex->Unlock();
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for (auto& listener : listeners) {
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listener->OnBackgroundError(reason, bg_error);
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bg_error->PermitUncheckedError();
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if (*auto_recovery) {
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listener->OnErrorRecoveryBegin(reason, *bg_error, auto_recovery);
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}
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}
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db_mutex->Lock();
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#else
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(void)listeners;
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(void)reason;
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(void)bg_error;
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(void)db_mutex;
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(void)auto_recovery;
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#endif // ROCKSDB_LITE
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}
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void EventHelpers::LogAndNotifyTableFileCreationFinished(
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EventLogger* event_logger,
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const std::vector<std::shared_ptr<EventListener>>& listeners,
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const std::string& db_name, const std::string& cf_name,
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const std::string& file_path, int job_id, const FileDescriptor& fd,
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uint64_t oldest_blob_file_number, const TableProperties& table_properties,
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TableFileCreationReason reason, const Status& s,
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const std::string& file_checksum,
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const std::string& file_checksum_func_name) {
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if (s.ok() && event_logger) {
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JSONWriter jwriter;
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AppendCurrentTime(&jwriter);
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jwriter << "cf_name" << cf_name << "job" << job_id << "event"
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<< "table_file_creation"
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<< "file_number" << fd.GetNumber() << "file_size"
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<< fd.GetFileSize() << "file_checksum" << file_checksum
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<< "file_checksum_func_name" << file_checksum_func_name;
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// table_properties
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{
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jwriter << "table_properties";
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jwriter.StartObject();
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// basic properties:
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jwriter << "data_size" << table_properties.data_size << "index_size"
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<< table_properties.index_size << "index_partitions"
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<< table_properties.index_partitions << "top_level_index_size"
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<< table_properties.top_level_index_size
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<< "index_key_is_user_key"
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<< table_properties.index_key_is_user_key
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<< "index_value_is_delta_encoded"
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<< table_properties.index_value_is_delta_encoded << "filter_size"
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<< table_properties.filter_size << "raw_key_size"
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<< table_properties.raw_key_size << "raw_average_key_size"
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<< SafeDivide(table_properties.raw_key_size,
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table_properties.num_entries)
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<< "raw_value_size" << table_properties.raw_value_size
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<< "raw_average_value_size"
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<< SafeDivide(table_properties.raw_value_size,
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table_properties.num_entries)
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<< "num_data_blocks" << table_properties.num_data_blocks
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<< "num_entries" << table_properties.num_entries
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<< "num_filter_entries" << table_properties.num_filter_entries
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<< "num_deletions" << table_properties.num_deletions
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<< "num_merge_operands" << table_properties.num_merge_operands
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<< "num_range_deletions" << table_properties.num_range_deletions
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<< "format_version" << table_properties.format_version
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<< "fixed_key_len" << table_properties.fixed_key_len
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<< "filter_policy" << table_properties.filter_policy_name
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<< "column_family_name" << table_properties.column_family_name
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<< "column_family_id" << table_properties.column_family_id
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<< "comparator" << table_properties.comparator_name
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<< "merge_operator" << table_properties.merge_operator_name
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<< "prefix_extractor_name"
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<< table_properties.prefix_extractor_name << "property_collectors"
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<< table_properties.property_collectors_names << "compression"
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<< table_properties.compression_name << "compression_options"
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<< table_properties.compression_options << "creation_time"
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<< table_properties.creation_time << "oldest_key_time"
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<< table_properties.oldest_key_time << "file_creation_time"
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<< table_properties.file_creation_time
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<< "slow_compression_estimated_data_size"
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<< table_properties.slow_compression_estimated_data_size
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<< "fast_compression_estimated_data_size"
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<< table_properties.fast_compression_estimated_data_size
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<< "db_id" << table_properties.db_id << "db_session_id"
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<< table_properties.db_session_id << "orig_file_number"
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<< table_properties.orig_file_number;
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// user collected properties
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for (const auto& prop : table_properties.readable_properties) {
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jwriter << prop.first << prop.second;
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}
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jwriter.EndObject();
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}
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if (oldest_blob_file_number != kInvalidBlobFileNumber) {
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jwriter << "oldest_blob_file_number" << oldest_blob_file_number;
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}
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jwriter.EndObject();
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event_logger->Log(jwriter);
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}
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#ifndef ROCKSDB_LITE
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if (listeners.size() == 0) {
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return;
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}
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TableFileCreationInfo info;
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info.db_name = db_name;
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info.cf_name = cf_name;
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info.file_path = file_path;
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info.file_size = fd.file_size;
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info.job_id = job_id;
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info.table_properties = table_properties;
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info.reason = reason;
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info.status = s;
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info.file_checksum = file_checksum;
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info.file_checksum_func_name = file_checksum_func_name;
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for (auto& listener : listeners) {
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listener->OnTableFileCreated(info);
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}
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info.status.PermitUncheckedError();
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#else
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(void)listeners;
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(void)db_name;
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(void)cf_name;
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(void)file_path;
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(void)reason;
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#endif // !ROCKSDB_LITE
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}
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void EventHelpers::LogAndNotifyTableFileDeletion(
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EventLogger* event_logger, int job_id, uint64_t file_number,
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const std::string& file_path, const Status& status,
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const std::string& dbname,
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const std::vector<std::shared_ptr<EventListener>>& listeners) {
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JSONWriter jwriter;
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AppendCurrentTime(&jwriter);
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jwriter << "job" << job_id << "event"
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<< "table_file_deletion"
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<< "file_number" << file_number;
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if (!status.ok()) {
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jwriter << "status" << status.ToString();
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}
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jwriter.EndObject();
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event_logger->Log(jwriter);
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#ifndef ROCKSDB_LITE
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TableFileDeletionInfo info;
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info.db_name = dbname;
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info.job_id = job_id;
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info.file_path = file_path;
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info.status = status;
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for (auto& listener : listeners) {
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listener->OnTableFileDeleted(info);
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}
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info.status.PermitUncheckedError();
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#else
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(void)file_path;
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(void)dbname;
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(void)listeners;
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#endif // !ROCKSDB_LITE
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}
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void EventHelpers::NotifyOnErrorRecoveryCompleted(
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const std::vector<std::shared_ptr<EventListener>>& listeners,
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Status old_bg_error, InstrumentedMutex* db_mutex) {
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#ifndef ROCKSDB_LITE
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if (listeners.size() > 0) {
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db_mutex->AssertHeld();
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// release lock while notifying events
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db_mutex->Unlock();
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for (auto& listener : listeners) {
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listener->OnErrorRecoveryCompleted(old_bg_error);
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}
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db_mutex->Lock();
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}
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old_bg_error.PermitUncheckedError();
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#else
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(void)listeners;
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(void)old_bg_error;
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(void)db_mutex;
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#endif // ROCKSDB_LITE
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}
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} // namespace ROCKSDB_NAMESPACE
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