mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-30 23:45:28 +08:00
709 lines
25 KiB
C++
709 lines
25 KiB
C++
/*******************************************************************************
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* Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
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* Unauthorized copying of this file, via any medium is strictly prohibited.
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* Proprietary and confidential.
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******************************************************************************/
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#include <unistd.h>
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#include <sstream>
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#include <iostream>
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#include <boost/filesystem.hpp>
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#include <chrono>
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#include <fstream>
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#include <sqlite_orm.h>
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#include <easylogging++.h>
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#include "DBMetaImpl.h"
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#include "IDGenerator.h"
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#include "Utils.h"
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#include "MetaConsts.h"
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namespace zilliz {
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namespace vecwise {
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namespace engine {
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namespace meta {
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using namespace sqlite_orm;
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inline auto StoragePrototype(const std::string& path) {
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return make_storage(path,
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make_table("Group",
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make_column("id", &GroupSchema::id, primary_key()),
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make_column("group_id", &GroupSchema::group_id, unique()),
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make_column("dimension", &GroupSchema::dimension),
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make_column("created_on", &GroupSchema::created_on),
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make_column("files_cnt", &GroupSchema::files_cnt, default_value(0))),
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make_table("GroupFile",
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make_column("id", &GroupFileSchema::id, primary_key()),
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make_column("group_id", &GroupFileSchema::group_id),
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make_column("file_id", &GroupFileSchema::file_id),
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make_column("file_type", &GroupFileSchema::file_type),
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make_column("size", &GroupFileSchema::size, default_value(0)),
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make_column("updated_time", &GroupFileSchema::updated_time),
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make_column("created_on", &GroupFileSchema::created_on),
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make_column("date", &GroupFileSchema::date))
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);
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}
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using ConnectorT = decltype(StoragePrototype(""));
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static std::unique_ptr<ConnectorT> ConnectorPtr;
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std::string DBMetaImpl::GetGroupPath(const std::string& group_id) {
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return _options.path + "/tables/" + group_id;
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}
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std::string DBMetaImpl::GetGroupDatePartitionPath(const std::string& group_id, DateT& date) {
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std::stringstream ss;
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ss << GetGroupPath(group_id) << "/" << date;
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return ss.str();
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}
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void DBMetaImpl::GetGroupFilePath(GroupFileSchema& group_file) {
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if (group_file.date == EmptyDate) {
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group_file.date = Meta::GetDate();
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}
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std::stringstream ss;
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ss << GetGroupDatePartitionPath(group_file.group_id, group_file.date)
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<< "/" << group_file.file_id;
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group_file.location = ss.str();
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}
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Status DBMetaImpl::NextGroupId(std::string& group_id) {
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std::stringstream ss;
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SimpleIDGenerator g;
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ss << g.getNextIDNumber();
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group_id = ss.str();
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return Status::OK();
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}
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Status DBMetaImpl::NextFileId(std::string& file_id) {
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std::stringstream ss;
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SimpleIDGenerator g;
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ss << g.getNextIDNumber();
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file_id = ss.str();
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return Status::OK();
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}
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DBMetaImpl::DBMetaImpl(const DBMetaOptions& options_)
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: _options(options_) {
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initialize();
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}
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Status DBMetaImpl::initialize() {
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if (!boost::filesystem::is_directory(_options.path)) {
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auto ret = boost::filesystem::create_directory(_options.path);
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if (!ret) {
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LOG(ERROR) << "Create directory " << _options.path << " Error";
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}
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assert(ret);
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}
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ConnectorPtr = std::make_unique<ConnectorT>(StoragePrototype(_options.path+"/meta.sqlite"));
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ConnectorPtr->sync_schema();
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ConnectorPtr->open_forever(); // thread safe option
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ConnectorPtr->pragma.journal_mode(journal_mode::WAL); // WAL => write ahead log
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cleanup();
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return Status::OK();
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}
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// PXU TODO: Temp solution. Will fix later
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Status DBMetaImpl::delete_group_partitions(const std::string& group_id,
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const meta::DatesT& dates) {
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if (dates.size() == 0) {
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return Status::OK();
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}
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GroupSchema group_info;
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group_info.group_id = group_id;
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auto status = get_group(group_info);
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if (!status.ok()) {
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return status;
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}
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auto yesterday = GetDateWithDelta(-1);
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for (auto& date : dates) {
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if (date >= yesterday) {
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return Status::Error("Could not delete partitions with 2 days");
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}
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}
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try {
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ConnectorPtr->update_all(
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set(
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c(&GroupFileSchema::file_type) = (int)GroupFileSchema::TO_DELETE
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),
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where(
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c(&GroupFileSchema::group_id) == group_id and
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in(&GroupFileSchema::date, dates)
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));
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} catch (std::exception & e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::add_group(GroupSchema& group_info) {
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if (group_info.group_id == "") {
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NextGroupId(group_info.group_id);
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}
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group_info.files_cnt = 0;
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group_info.id = -1;
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group_info.created_on = utils::GetMicroSecTimeStamp();
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{
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try {
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auto id = ConnectorPtr->insert(group_info);
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group_info.id = id;
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} catch (...) {
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return Status::DBTransactionError("Add Group Error");
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}
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}
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auto group_path = GetGroupPath(group_info.group_id);
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if (!boost::filesystem::is_directory(group_path)) {
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auto ret = boost::filesystem::create_directories(group_path);
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if (!ret) {
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LOG(ERROR) << "Create directory " << group_path << " Error";
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}
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assert(ret);
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}
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return Status::OK();
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}
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Status DBMetaImpl::get_group(GroupSchema& group_info) {
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return get_group_no_lock(group_info);
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}
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Status DBMetaImpl::get_group_no_lock(GroupSchema& group_info) {
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try {
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auto groups = ConnectorPtr->select(columns(&GroupSchema::id,
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&GroupSchema::group_id,
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&GroupSchema::files_cnt,
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&GroupSchema::dimension),
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where(c(&GroupSchema::group_id) == group_info.group_id));
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assert(groups.size() <= 1);
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if (groups.size() == 1) {
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group_info.id = std::get<0>(groups[0]);
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group_info.files_cnt = std::get<2>(groups[0]);
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group_info.dimension = std::get<3>(groups[0]);
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} else {
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return Status::NotFound("Group " + group_info.group_id + " not found");
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}
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} catch (std::exception &e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::has_group(const std::string& group_id, bool& has_or_not) {
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try {
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auto groups = ConnectorPtr->select(columns(&GroupSchema::id),
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where(c(&GroupSchema::group_id) == group_id));
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assert(groups.size() <= 1);
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if (groups.size() == 1) {
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has_or_not = true;
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} else {
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has_or_not = false;
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}
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} catch (std::exception &e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::add_group_file(GroupFileSchema& group_file) {
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if (group_file.date == EmptyDate) {
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group_file.date = Meta::GetDate();
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}
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GroupSchema group_info;
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group_info.group_id = group_file.group_id;
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auto status = get_group(group_info);
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if (!status.ok()) {
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return status;
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}
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NextFileId(group_file.file_id);
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group_file.file_type = GroupFileSchema::NEW;
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group_file.dimension = group_info.dimension;
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group_file.size = 0;
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group_file.created_on = utils::GetMicroSecTimeStamp();
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group_file.updated_time = group_file.created_on;
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GetGroupFilePath(group_file);
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{
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try {
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auto id = ConnectorPtr->insert(group_file);
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group_file.id = id;
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} catch (...) {
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return Status::DBTransactionError("Add file Error");
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}
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}
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auto partition_path = GetGroupDatePartitionPath(group_file.group_id, group_file.date);
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if (!boost::filesystem::is_directory(partition_path)) {
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auto ret = boost::filesystem::create_directory(partition_path);
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if (!ret) {
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LOG(ERROR) << "Create directory " << partition_path << " Error";
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}
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assert(ret);
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}
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return Status::OK();
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}
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Status DBMetaImpl::files_to_index(GroupFilesSchema& files) {
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files.clear();
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try {
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auto selected = ConnectorPtr->select(columns(&GroupFileSchema::id,
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&GroupFileSchema::group_id,
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&GroupFileSchema::file_id,
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&GroupFileSchema::file_type,
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&GroupFileSchema::size,
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&GroupFileSchema::date),
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where(c(&GroupFileSchema::file_type) == (int)GroupFileSchema::TO_INDEX));
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std::map<std::string, GroupSchema> groups;
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for (auto& file : selected) {
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GroupFileSchema group_file;
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group_file.id = std::get<0>(file);
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group_file.group_id = std::get<1>(file);
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group_file.file_id = std::get<2>(file);
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group_file.file_type = std::get<3>(file);
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group_file.size = std::get<4>(file);
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group_file.date = std::get<5>(file);
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GetGroupFilePath(group_file);
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auto groupItr = groups.find(group_file.group_id);
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if (groupItr == groups.end()) {
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GroupSchema group_info;
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group_info.group_id = group_file.group_id;
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auto status = get_group_no_lock(group_info);
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if (!status.ok()) {
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return status;
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}
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groups[group_file.group_id] = group_info;
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}
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group_file.dimension = groups[group_file.group_id].dimension;
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files.push_back(group_file);
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}
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} catch (std::exception & e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::files_to_search(const std::string &group_id,
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const DatesT& partition,
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DatePartionedGroupFilesSchema &files) {
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files.clear();
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DatesT today = {Meta::GetDate()};
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const DatesT& dates = (partition.empty() == true) ? today : partition;
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try {
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auto selected = ConnectorPtr->select(columns(&GroupFileSchema::id,
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&GroupFileSchema::group_id,
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&GroupFileSchema::file_id,
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&GroupFileSchema::file_type,
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&GroupFileSchema::size,
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&GroupFileSchema::date),
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where(c(&GroupFileSchema::group_id) == group_id and
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in(&GroupFileSchema::date, dates) and
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(c(&GroupFileSchema::file_type) == (int) GroupFileSchema::RAW or
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c(&GroupFileSchema::file_type) == (int) GroupFileSchema::TO_INDEX or
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c(&GroupFileSchema::file_type) == (int) GroupFileSchema::INDEX)));
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GroupSchema group_info;
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group_info.group_id = group_id;
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auto status = get_group_no_lock(group_info);
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if (!status.ok()) {
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return status;
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}
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for (auto& file : selected) {
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GroupFileSchema group_file;
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group_file.id = std::get<0>(file);
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group_file.group_id = std::get<1>(file);
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group_file.file_id = std::get<2>(file);
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group_file.file_type = std::get<3>(file);
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group_file.size = std::get<4>(file);
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group_file.date = std::get<5>(file);
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group_file.dimension = group_info.dimension;
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GetGroupFilePath(group_file);
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auto dateItr = files.find(group_file.date);
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if (dateItr == files.end()) {
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files[group_file.date] = GroupFilesSchema();
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}
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files[group_file.date].push_back(group_file);
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}
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} catch (std::exception & e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::files_to_merge(const std::string& group_id,
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DatePartionedGroupFilesSchema& files) {
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files.clear();
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try {
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auto selected = ConnectorPtr->select(columns(&GroupFileSchema::id,
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&GroupFileSchema::group_id,
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&GroupFileSchema::file_id,
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&GroupFileSchema::file_type,
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&GroupFileSchema::size,
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&GroupFileSchema::date),
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where(c(&GroupFileSchema::file_type) == (int)GroupFileSchema::RAW and
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c(&GroupFileSchema::group_id) == group_id));
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GroupSchema group_info;
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group_info.group_id = group_id;
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auto status = get_group_no_lock(group_info);
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if (!status.ok()) {
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return status;
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}
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for (auto& file : selected) {
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GroupFileSchema group_file;
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group_file.id = std::get<0>(file);
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group_file.group_id = std::get<1>(file);
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group_file.file_id = std::get<2>(file);
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group_file.file_type = std::get<3>(file);
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group_file.size = std::get<4>(file);
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group_file.date = std::get<5>(file);
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group_file.dimension = group_info.dimension;
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GetGroupFilePath(group_file);
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auto dateItr = files.find(group_file.date);
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if (dateItr == files.end()) {
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files[group_file.date] = GroupFilesSchema();
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}
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files[group_file.date].push_back(group_file);
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}
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} catch (std::exception & e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::has_group_file(const std::string& group_id_,
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const std::string& file_id_,
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bool& has_or_not_) {
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//PXU TODO
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return Status::OK();
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}
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Status DBMetaImpl::get_group_file(const std::string& group_id_,
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const std::string& file_id_,
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GroupFileSchema& group_file_info_) {
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try {
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auto files = ConnectorPtr->select(columns(&GroupFileSchema::id,
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&GroupFileSchema::group_id,
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&GroupFileSchema::file_id,
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&GroupFileSchema::file_type,
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&GroupFileSchema::size,
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&GroupFileSchema::date),
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where(c(&GroupFileSchema::file_id) == file_id_ and
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c(&GroupFileSchema::group_id) == group_id_
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));
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assert(files.size() <= 1);
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if (files.size() == 1) {
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group_file_info_.id = std::get<0>(files[0]);
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group_file_info_.group_id = std::get<1>(files[0]);
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group_file_info_.file_id = std::get<2>(files[0]);
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group_file_info_.file_type = std::get<3>(files[0]);
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group_file_info_.size = std::get<4>(files[0]);
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group_file_info_.date = std::get<5>(files[0]);
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} else {
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return Status::NotFound("GroupFile " + file_id_ + " not found");
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}
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} catch (std::exception &e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::get_group_files(const std::string& group_id_,
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const int date_delta_,
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GroupFilesSchema& group_files_info_) {
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// PXU TODO
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return Status::OK();
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}
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// PXU TODO: Support Swap
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Status DBMetaImpl::archive_files() {
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auto& criterias = _options.archive_conf.GetCriterias();
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if (criterias.size() == 0) {
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return Status::OK();
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}
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for (auto kv : criterias) {
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auto& criteria = kv.first;
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auto& limit = kv.second;
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if (criteria == "days") {
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long usecs = limit * D_SEC * US_PS;
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long now = utils::GetMicroSecTimeStamp();
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try
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{
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ConnectorPtr->update_all(
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set(
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c(&GroupFileSchema::file_type) = (int)GroupFileSchema::TO_DELETE
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),
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where(
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c(&GroupFileSchema::created_on) < (long)(now - usecs) and
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c(&GroupFileSchema::file_type) != (int)GroupFileSchema::TO_DELETE
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));
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} catch (std::exception & e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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}
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if (criteria == "disk") {
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long sum = 0;
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size(sum);
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// PXU TODO: refactor size
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auto to_delete = (sum - limit*G);
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discard_files_of_size(to_delete);
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}
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}
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return Status::OK();
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}
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Status DBMetaImpl::size(long& result) {
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result = 0;
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try {
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auto selected = ConnectorPtr->select(columns(sum(&GroupFileSchema::size)),
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where(
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c(&GroupFileSchema::file_type) != (int)GroupFileSchema::TO_DELETE
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));
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for (auto& sub_query : selected) {
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if(!std::get<0>(sub_query)) {
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continue;
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}
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result += (long)(*std::get<0>(sub_query));
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}
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} catch (std::exception & e) {
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LOG(DEBUG) << e.what();
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throw e;
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}
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return Status::OK();
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}
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Status DBMetaImpl::discard_files_of_size(long to_discard_size) {
|
|
LOG(DEBUG) << "Abort to discard size=" << to_discard_size;
|
|
if (to_discard_size <= 0) {
|
|
return Status::OK();
|
|
}
|
|
try {
|
|
auto selected = ConnectorPtr->select(columns(&GroupFileSchema::id,
|
|
&GroupFileSchema::size),
|
|
where(c(&GroupFileSchema::file_type) != (int)GroupFileSchema::TO_DELETE),
|
|
order_by(&GroupFileSchema::id),
|
|
limit(10));
|
|
std::vector<int> ids;
|
|
|
|
for (auto& file : selected) {
|
|
if (to_discard_size <= 0) break;
|
|
GroupFileSchema group_file;
|
|
group_file.id = std::get<0>(file);
|
|
group_file.size = std::get<1>(file);
|
|
ids.push_back(group_file.id);
|
|
LOG(DEBUG) << "Discard group_file.id=" << group_file.id << " group_file.size=" << group_file.size;
|
|
to_discard_size -= group_file.size;
|
|
}
|
|
|
|
if (ids.size() == 0) {
|
|
return Status::OK();
|
|
}
|
|
|
|
ConnectorPtr->update_all(
|
|
set(
|
|
c(&GroupFileSchema::file_type) = (int)GroupFileSchema::TO_DELETE
|
|
),
|
|
where(
|
|
in(&GroupFileSchema::id, ids)
|
|
));
|
|
|
|
} catch (std::exception & e) {
|
|
LOG(DEBUG) << e.what();
|
|
throw e;
|
|
}
|
|
|
|
|
|
return discard_files_of_size(to_discard_size);
|
|
}
|
|
|
|
Status DBMetaImpl::update_group_file(GroupFileSchema& group_file) {
|
|
group_file.updated_time = utils::GetMicroSecTimeStamp();
|
|
try {
|
|
ConnectorPtr->update(group_file);
|
|
} catch (std::exception & e) {
|
|
LOG(DEBUG) << e.what();
|
|
LOG(DEBUG) << "id= " << group_file.id << " file_id=" << group_file.file_id;
|
|
throw e;
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status DBMetaImpl::update_files(GroupFilesSchema& files) {
|
|
try {
|
|
auto commited = ConnectorPtr->transaction([&] () mutable {
|
|
for (auto& file : files) {
|
|
file.updated_time = utils::GetMicroSecTimeStamp();
|
|
ConnectorPtr->update(file);
|
|
}
|
|
return true;
|
|
});
|
|
if (!commited) {
|
|
return Status::DBTransactionError("Update files Error");
|
|
}
|
|
} catch (std::exception & e) {
|
|
LOG(DEBUG) << e.what();
|
|
throw e;
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status DBMetaImpl::cleanup_ttl_files(uint16_t seconds) {
|
|
auto now = utils::GetMicroSecTimeStamp();
|
|
try {
|
|
auto selected = ConnectorPtr->select(columns(&GroupFileSchema::id,
|
|
&GroupFileSchema::group_id,
|
|
&GroupFileSchema::file_id,
|
|
&GroupFileSchema::file_type,
|
|
&GroupFileSchema::size,
|
|
&GroupFileSchema::date),
|
|
where(c(&GroupFileSchema::file_type) == (int)GroupFileSchema::TO_DELETE and
|
|
c(&GroupFileSchema::updated_time) > now - seconds*US_PS));
|
|
|
|
GroupFilesSchema updated;
|
|
|
|
for (auto& file : selected) {
|
|
GroupFileSchema group_file;
|
|
group_file.id = std::get<0>(file);
|
|
group_file.group_id = std::get<1>(file);
|
|
group_file.file_id = std::get<2>(file);
|
|
group_file.file_type = std::get<3>(file);
|
|
group_file.size = std::get<4>(file);
|
|
group_file.date = std::get<5>(file);
|
|
GetGroupFilePath(group_file);
|
|
if (group_file.file_type == GroupFileSchema::TO_DELETE) {
|
|
boost::filesystem::remove(group_file.location);
|
|
}
|
|
ConnectorPtr->remove<GroupFileSchema>(group_file.id);
|
|
/* LOG(DEBUG) << "Removing deleted id=" << group_file.id << " location=" << group_file.location << std::endl; */
|
|
}
|
|
} catch (std::exception & e) {
|
|
LOG(DEBUG) << e.what();
|
|
throw e;
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
Status DBMetaImpl::cleanup() {
|
|
try {
|
|
auto selected = ConnectorPtr->select(columns(&GroupFileSchema::id,
|
|
&GroupFileSchema::group_id,
|
|
&GroupFileSchema::file_id,
|
|
&GroupFileSchema::file_type,
|
|
&GroupFileSchema::size,
|
|
&GroupFileSchema::date),
|
|
where(c(&GroupFileSchema::file_type) == (int)GroupFileSchema::TO_DELETE or
|
|
c(&GroupFileSchema::file_type) == (int)GroupFileSchema::NEW));
|
|
|
|
GroupFilesSchema updated;
|
|
|
|
for (auto& file : selected) {
|
|
GroupFileSchema group_file;
|
|
group_file.id = std::get<0>(file);
|
|
group_file.group_id = std::get<1>(file);
|
|
group_file.file_id = std::get<2>(file);
|
|
group_file.file_type = std::get<3>(file);
|
|
group_file.size = std::get<4>(file);
|
|
group_file.date = std::get<5>(file);
|
|
GetGroupFilePath(group_file);
|
|
if (group_file.file_type == GroupFileSchema::TO_DELETE) {
|
|
boost::filesystem::remove(group_file.location);
|
|
}
|
|
ConnectorPtr->remove<GroupFileSchema>(group_file.id);
|
|
/* LOG(DEBUG) << "Removing id=" << group_file.id << " location=" << group_file.location << std::endl; */
|
|
}
|
|
} catch (std::exception & e) {
|
|
LOG(DEBUG) << e.what();
|
|
throw e;
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
Status DBMetaImpl::count(const std::string& group_id, long& result) {
|
|
|
|
try {
|
|
auto selected = ConnectorPtr->select(columns(&GroupFileSchema::size,
|
|
&GroupFileSchema::date),
|
|
where((c(&GroupFileSchema::file_type) == (int)GroupFileSchema::RAW or
|
|
c(&GroupFileSchema::file_type) == (int)GroupFileSchema::TO_INDEX or
|
|
c(&GroupFileSchema::file_type) == (int)GroupFileSchema::INDEX) and
|
|
c(&GroupFileSchema::group_id) == group_id));
|
|
|
|
GroupSchema group_info;
|
|
group_info.group_id = group_id;
|
|
auto status = get_group_no_lock(group_info);
|
|
if (!status.ok()) {
|
|
return status;
|
|
}
|
|
|
|
result = 0;
|
|
for (auto& file : selected) {
|
|
result += std::get<0>(file);
|
|
}
|
|
|
|
result /= group_info.dimension;
|
|
|
|
} catch (std::exception & e) {
|
|
LOG(DEBUG) << e.what();
|
|
throw e;
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status DBMetaImpl::drop_all() {
|
|
if (boost::filesystem::is_directory(_options.path)) {
|
|
boost::filesystem::remove_all(_options.path);
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
DBMetaImpl::~DBMetaImpl() {
|
|
cleanup();
|
|
}
|
|
|
|
} // namespace meta
|
|
} // namespace engine
|
|
} // namespace vecwise
|
|
} // namespace zilliz
|