0b3172d071
Summary: Add EventListener::OnTableFileDeletion(), which will be called when a table file is deleted. Test Plan: Extend three existing tests in db_test to verify the deleted files. Reviewers: rven, anthony, kradhakrishnan, igor, sdong Reviewed By: sdong Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D38931
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
|
|
|
#include "db/event_helpers.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
namespace {
|
|
inline double SafeDivide(double a, double b) { return b == 0.0 ? 0 : a / b; }
|
|
} // namespace
|
|
|
|
void EventHelpers::AppendCurrentTime(JSONWriter* jwriter) {
|
|
*jwriter << "time_micros"
|
|
<< std::chrono::duration_cast<std::chrono::microseconds>(
|
|
std::chrono::system_clock::now().time_since_epoch()).count();
|
|
}
|
|
|
|
void EventHelpers::LogAndNotifyTableFileCreation(
|
|
EventLogger* event_logger,
|
|
const std::vector<std::shared_ptr<EventListener>>& listeners,
|
|
const FileDescriptor& fd, const TableFileCreationInfo& info) {
|
|
assert(event_logger);
|
|
JSONWriter jwriter;
|
|
AppendCurrentTime(&jwriter);
|
|
jwriter << "cf_name" << info.cf_name
|
|
<< "job" << info.job_id
|
|
<< "event" << "table_file_creation"
|
|
<< "file_number" << fd.GetNumber()
|
|
<< "file_size" << fd.GetFileSize();
|
|
|
|
// table_properties
|
|
{
|
|
jwriter << "table_properties";
|
|
jwriter.StartObject();
|
|
|
|
// basic properties:
|
|
jwriter << "data_size" << info.table_properties.data_size
|
|
<< "index_size" << info.table_properties.index_size
|
|
<< "filter_size" << info.table_properties.filter_size
|
|
<< "raw_key_size" << info.table_properties.raw_key_size
|
|
<< "raw_average_key_size" << SafeDivide(
|
|
info.table_properties.raw_key_size,
|
|
info.table_properties.num_entries)
|
|
<< "raw_value_size" << info.table_properties.raw_value_size
|
|
<< "raw_average_value_size" << SafeDivide(
|
|
info.table_properties.raw_value_size,
|
|
info.table_properties.num_entries)
|
|
<< "num_data_blocks" << info.table_properties.num_data_blocks
|
|
<< "num_entries" << info.table_properties.num_entries
|
|
<< "filter_policy_name" <<
|
|
info.table_properties.filter_policy_name;
|
|
|
|
// user collected properties
|
|
for (const auto& prop : info.table_properties.user_collected_properties) {
|
|
jwriter << prop.first << prop.second;
|
|
}
|
|
jwriter.EndObject();
|
|
}
|
|
jwriter.EndObject();
|
|
|
|
event_logger->Log(jwriter);
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
if (listeners.size() == 0) {
|
|
return;
|
|
}
|
|
|
|
for (auto listener : listeners) {
|
|
listener->OnTableFileCreated(info);
|
|
}
|
|
#endif // !ROCKSDB_LITE
|
|
}
|
|
|
|
void EventHelpers::LogAndNotifyTableFileDeletion(
|
|
EventLogger* event_logger, int job_id,
|
|
uint64_t file_number, const std::string& file_path,
|
|
const Status& status, const std::string& dbname,
|
|
const std::vector<std::shared_ptr<EventListener>>& listeners) {
|
|
|
|
JSONWriter jwriter;
|
|
AppendCurrentTime(&jwriter);
|
|
|
|
jwriter << "job" << job_id
|
|
<< "event" << "table_file_deletion"
|
|
<< "file_number" << file_number;
|
|
if (!status.ok()) {
|
|
jwriter << "status" << status.ToString();
|
|
}
|
|
|
|
jwriter.EndObject();
|
|
|
|
event_logger->Log(jwriter);
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
TableFileDeletionInfo info;
|
|
info.db_name = dbname;
|
|
info.job_id = job_id;
|
|
info.file_path = file_path;
|
|
info.status = status;
|
|
for (auto listener : listeners) {
|
|
listener->OnTableFileDeleted(info);
|
|
}
|
|
#endif // !ROCKSDB_LITE
|
|
}
|
|
|
|
} // namespace rocksdb
|