mirror of
https://github.com/facebook/rocksdb.git
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a92049e3e7
Summary: Added EventListener::OnTableFileCreationStarted. EventListener::OnTableFileCreated will be called on failure case. User can check creation status via TableFileCreationInfo::status. Test Plan: unit test. Reviewers: dhruba, yhchiang, ott, sdong Reviewed By: sdong Subscribers: sdong, kradhakrishnan, IslamAbdelRahman, andrewkr, yhchiang, leveldb, ott, dhruba Differential Revision: https://reviews.facebook.net/D56337
138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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#include "db/event_helpers.h"
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namespace rocksdb {
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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()).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::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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const TableProperties& table_properties, TableFileCreationReason reason,
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const Status& s) {
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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();
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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 << "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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<< "filter_policy_name" << table_properties.filter_policy_name;
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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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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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for (auto& listener : listeners) {
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listener->OnTableFileCreated(info);
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}
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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,
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uint64_t file_number, const std::string& file_path,
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const Status& status, 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
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<< "event" << "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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#endif // !ROCKSDB_LITE
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}
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} // namespace rocksdb
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