/Users/deen/code/yugabyte-db/src/yb/rocksdb/util/sst_file_manager_impl.cc
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1 | | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
2 | | // This source code is licensed under the BSD-style license found in the |
3 | | // LICENSE file in the root directory of this source tree. An additional grant |
4 | | // of patent rights can be found in the PATENTS file in the same directory. |
5 | | // |
6 | | // The following only applies to changes made to this file as part of YugaByte development. |
7 | | // |
8 | | // Portions Copyright (c) YugaByte, Inc. |
9 | | // |
10 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
11 | | // in compliance with the License. You may obtain a copy of the License at |
12 | | // |
13 | | // http://www.apache.org/licenses/LICENSE-2.0 |
14 | | // |
15 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
16 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
17 | | // or implied. See the License for the specific language governing permissions and limitations |
18 | | // under the License. |
19 | | // |
20 | | |
21 | | #include "yb/rocksdb/util/sst_file_manager_impl.h" |
22 | | |
23 | | #include <vector> |
24 | | |
25 | | #include "yb/rocksdb/port/port.h" |
26 | | #include "yb/rocksdb/env.h" |
27 | | #include "yb/rocksdb/util/mutexlock.h" |
28 | | #include "yb/rocksdb/util/sync_point.h" |
29 | | |
30 | | #include "yb/util/result.h" |
31 | | |
32 | | namespace rocksdb { |
33 | | |
34 | | SstFileManagerImpl::SstFileManagerImpl(Env* env, std::shared_ptr<Logger> logger, |
35 | | const std::string& trash_dir, |
36 | | int64_t rate_bytes_per_sec) |
37 | | : env_(env), |
38 | | logger_(logger), |
39 | | total_files_size_(0), |
40 | | max_allowed_space_(0), |
41 | | delete_scheduler_(env, trash_dir, rate_bytes_per_sec, logger.get(), |
42 | 11 | this) {} |
43 | | |
44 | 11 | SstFileManagerImpl::~SstFileManagerImpl() {} |
45 | | |
46 | 218 | Status SstFileManagerImpl::OnAddFile(const std::string& file_path) { |
47 | 218 | uint64_t file_size; |
48 | 218 | Status s = env_->GetFileSize(file_path, &file_size); |
49 | 218 | if (s.ok()) { |
50 | 218 | MutexLock l(&mu_); |
51 | 218 | OnAddFileImpl(file_path, file_size); |
52 | 218 | } |
53 | 218 | TEST_SYNC_POINT("SstFileManagerImpl::OnAddFile"); |
54 | 218 | return s; |
55 | 218 | } |
56 | | |
57 | 192 | Status SstFileManagerImpl::OnDeleteFile(const std::string& file_path) { |
58 | 192 | { |
59 | 192 | MutexLock l(&mu_); |
60 | 192 | OnDeleteFileImpl(file_path); |
61 | 192 | } |
62 | 192 | TEST_SYNC_POINT("SstFileManagerImpl::OnDeleteFile"); |
63 | 192 | return Status::OK(); |
64 | 192 | } |
65 | | |
66 | | Status SstFileManagerImpl::OnMoveFile(const std::string& old_path, |
67 | 32 | const std::string& new_path) { |
68 | 32 | { |
69 | 32 | MutexLock l(&mu_); |
70 | 32 | OnAddFileImpl(new_path, tracked_files_[old_path]); |
71 | 32 | OnDeleteFileImpl(old_path); |
72 | 32 | } |
73 | 32 | TEST_SYNC_POINT("SstFileManagerImpl::OnMoveFile"); |
74 | 32 | return Status::OK(); |
75 | 32 | } |
76 | | |
77 | 6 | void SstFileManagerImpl::SetMaxAllowedSpaceUsage(uint64_t max_allowed_space) { |
78 | 6 | MutexLock l(&mu_); |
79 | 6 | max_allowed_space_ = max_allowed_space; |
80 | 6 | } |
81 | | |
82 | 105 | bool SstFileManagerImpl::IsMaxAllowedSpaceReached() { |
83 | 105 | MutexLock l(&mu_); |
84 | 105 | if (max_allowed_space_ <= 0) { |
85 | 48 | return false; |
86 | 48 | } |
87 | 57 | return total_files_size_ >= max_allowed_space_; |
88 | 105 | } |
89 | | |
90 | 4 | uint64_t SstFileManagerImpl::GetTotalSize() { |
91 | 4 | MutexLock l(&mu_); |
92 | 4 | return total_files_size_; |
93 | 4 | } |
94 | | |
95 | | std::unordered_map<std::string, uint64_t> |
96 | 28 | SstFileManagerImpl::GetTrackedFiles() { |
97 | 28 | MutexLock l(&mu_); |
98 | 28 | return tracked_files_; |
99 | 28 | } |
100 | | |
101 | 0 | int64_t SstFileManagerImpl::GetDeleteRateBytesPerSecond() { |
102 | 0 | return delete_scheduler_.GetRateBytesPerSecond(); |
103 | 0 | } |
104 | | |
105 | 192 | Status SstFileManagerImpl::ScheduleFileDeletion(const std::string& file_path) { |
106 | 192 | return delete_scheduler_.DeleteFile(file_path); |
107 | 192 | } |
108 | | |
109 | 4 | void SstFileManagerImpl::WaitForEmptyTrash() { |
110 | 4 | delete_scheduler_.WaitForEmptyTrash(); |
111 | 4 | } |
112 | | |
113 | | void SstFileManagerImpl::OnAddFileImpl(const std::string& file_path, |
114 | 250 | uint64_t file_size) { |
115 | 250 | auto tracked_file = tracked_files_.find(file_path); |
116 | 250 | if (tracked_file != tracked_files_.end()) { |
117 | | // File was added before, we will just update the size |
118 | 4 | total_files_size_ -= tracked_file->second; |
119 | 4 | total_files_size_ += file_size; |
120 | 246 | } else { |
121 | 246 | total_files_size_ += file_size; |
122 | 246 | } |
123 | 250 | tracked_files_[file_path] = file_size; |
124 | 250 | } |
125 | | |
126 | 224 | void SstFileManagerImpl::OnDeleteFileImpl(const std::string& file_path) { |
127 | 224 | auto tracked_file = tracked_files_.find(file_path); |
128 | 224 | if (tracked_file == tracked_files_.end()) { |
129 | | // File is not tracked |
130 | 0 | return; |
131 | 0 | } |
132 | | |
133 | 224 | total_files_size_ -= tracked_file->second; |
134 | 224 | tracked_files_.erase(tracked_file); |
135 | 224 | } |
136 | | |
137 | | yb::Result<SstFileManager*> NewSstFileManager(Env* env, std::shared_ptr<Logger> info_log, |
138 | | std::string trash_dir, |
139 | | int64_t rate_bytes_per_sec, |
140 | 11 | bool delete_exisitng_trash) { |
141 | 11 | SstFileManagerImpl* res = |
142 | 11 | new SstFileManagerImpl(env, info_log, trash_dir, rate_bytes_per_sec); |
143 | | |
144 | 11 | if (trash_dir != "" && rate_bytes_per_sec > 03 ) { |
145 | 3 | RETURN_NOT_OK(env->CreateDirIfMissing(trash_dir)); |
146 | 3 | if (delete_exisitng_trash) { |
147 | 0 | std::vector<std::string> files_in_trash; |
148 | 0 | RETURN_NOT_OK(env->GetChildren(trash_dir, &files_in_trash)); |
149 | 0 | for (const std::string& trash_file : files_in_trash) { |
150 | 0 | if (trash_file == "." || trash_file == "..") { |
151 | 0 | continue; |
152 | 0 | } |
153 | | |
154 | 0 | std::string path_in_trash = trash_dir + "/" + trash_file; |
155 | 0 | RETURN_NOT_OK(res->OnAddFile(path_in_trash)); |
156 | 0 | RETURN_NOT_OK(res->ScheduleFileDeletion(path_in_trash)); |
157 | 0 | } |
158 | 0 | } |
159 | 3 | } |
160 | | |
161 | 11 | return res; |
162 | 11 | } |
163 | | |
164 | | } // namespace rocksdb |