fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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77 lines
2.6 KiB
77 lines
2.6 KiB
// Copyright (c) 2013, 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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inline double SafeDivide(double a, double b) { return b == 0.0 ? 0 : a / b; }
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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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// TODO(yhchiang): change the API to directly take TableFileCreationInfo
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void EventHelpers::LogAndNotifyTableFileCreation(
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EventLogger* event_logger,
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const std::vector<std::shared_ptr<EventListener>>& listeners,
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const FileDescriptor& fd, const TableFileCreationInfo& info) {
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assert(event_logger);
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JSONWriter jwriter;
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AppendCurrentTime(&jwriter);
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jwriter << "cf_name" << info.cf_name
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<< "job" << info.job_id
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<< "event" << "table_file_creation"
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<< "file_number" << fd.GetNumber()
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<< "file_size" << 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" << info.table_properties.data_size
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<< "index_size" << info.table_properties.index_size
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<< "filter_size" << info.table_properties.filter_size
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<< "raw_key_size" << info.table_properties.raw_key_size
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<< "raw_average_key_size" << SafeDivide(
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info.table_properties.raw_key_size,
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info.table_properties.num_entries)
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<< "raw_value_size" << info.table_properties.raw_value_size
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<< "raw_average_value_size" << SafeDivide(
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info.table_properties.raw_value_size,
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info.table_properties.num_entries)
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<< "num_data_blocks" << info.table_properties.num_data_blocks
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<< "num_entries" << info.table_properties.num_entries
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<< "filter_policy_name" <<
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info.table_properties.filter_policy_name;
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// user collected properties
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for (const auto& prop : info.table_properties.user_collected_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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#ifndef ROCKSDB_LITE
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if (listeners.size() == 0) {
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return;
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}
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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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} // namespace rocksdb
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