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7c673cae | 1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
11fdf7f2 TL |
2 | // This source code is licensed under both the GPLv2 (found in the |
3 | // COPYING file in the root directory) and Apache 2.0 License | |
4 | // (found in the LICENSE.Apache file in the root directory). | |
7c673cae FG |
5 | |
6 | #ifndef __STDC_FORMAT_MACROS | |
7 | #define __STDC_FORMAT_MACROS | |
8 | #endif | |
9 | ||
10 | #include "db/db_info_dumper.h" | |
11 | ||
12 | #include <inttypes.h> | |
13 | #include <stdio.h> | |
14 | #include <string> | |
15 | #include <algorithm> | |
16 | #include <vector> | |
17 | ||
18 | #include "rocksdb/env.h" | |
19 | #include "util/filename.h" | |
20 | ||
21 | namespace rocksdb { | |
22 | ||
23 | void DumpDBFileSummary(const ImmutableDBOptions& options, | |
24 | const std::string& dbname) { | |
25 | if (options.info_log == nullptr) { | |
26 | return; | |
27 | } | |
28 | ||
29 | auto* env = options.env; | |
30 | uint64_t number = 0; | |
31 | FileType type = kInfoLogFile; | |
32 | ||
33 | std::vector<std::string> files; | |
34 | uint64_t file_num = 0; | |
35 | uint64_t file_size; | |
36 | std::string file_info, wal_info; | |
37 | ||
38 | Header(options.info_log, "DB SUMMARY\n"); | |
39 | // Get files in dbname dir | |
40 | if (!env->GetChildren(dbname, &files).ok()) { | |
41 | Error(options.info_log, | |
42 | "Error when reading %s dir\n", dbname.c_str()); | |
43 | } | |
44 | std::sort(files.begin(), files.end()); | |
494da23a | 45 | for (const std::string& file : files) { |
7c673cae FG |
46 | if (!ParseFileName(file, &number, &type)) { |
47 | continue; | |
48 | } | |
49 | switch (type) { | |
50 | case kCurrentFile: | |
51 | Header(options.info_log, "CURRENT file: %s\n", file.c_str()); | |
52 | break; | |
53 | case kIdentityFile: | |
54 | Header(options.info_log, "IDENTITY file: %s\n", file.c_str()); | |
55 | break; | |
56 | case kDescriptorFile: | |
57 | env->GetFileSize(dbname + "/" + file, &file_size); | |
58 | Header(options.info_log, "MANIFEST file: %s size: %" PRIu64 " Bytes\n", | |
59 | file.c_str(), file_size); | |
60 | break; | |
61 | case kLogFile: | |
62 | env->GetFileSize(dbname + "/" + file, &file_size); | |
63 | char str[16]; | |
64 | snprintf(str, sizeof(str), "%" PRIu64, file_size); | |
65 | wal_info.append(file).append(" size: "). | |
66 | append(str).append(" ; "); | |
67 | break; | |
68 | case kTableFile: | |
69 | if (++file_num < 10) { | |
70 | file_info.append(file).append(" "); | |
71 | } | |
72 | break; | |
73 | default: | |
74 | break; | |
75 | } | |
76 | } | |
77 | ||
78 | // Get sst files in db_path dir | |
79 | for (auto& db_path : options.db_paths) { | |
80 | if (dbname.compare(db_path.path) != 0) { | |
81 | if (!env->GetChildren(db_path.path, &files).ok()) { | |
82 | Error(options.info_log, | |
83 | "Error when reading %s dir\n", | |
84 | db_path.path.c_str()); | |
85 | continue; | |
86 | } | |
87 | std::sort(files.begin(), files.end()); | |
494da23a | 88 | for (const std::string& file : files) { |
7c673cae FG |
89 | if (ParseFileName(file, &number, &type)) { |
90 | if (type == kTableFile && ++file_num < 10) { | |
91 | file_info.append(file).append(" "); | |
92 | } | |
93 | } | |
94 | } | |
95 | } | |
96 | Header(options.info_log, | |
97 | "SST files in %s dir, Total Num: %" PRIu64 ", files: %s\n", | |
98 | db_path.path.c_str(), file_num, file_info.c_str()); | |
99 | file_num = 0; | |
100 | file_info.clear(); | |
101 | } | |
102 | ||
103 | // Get wal file in wal_dir | |
104 | if (dbname.compare(options.wal_dir) != 0) { | |
105 | if (!env->GetChildren(options.wal_dir, &files).ok()) { | |
106 | Error(options.info_log, | |
107 | "Error when reading %s dir\n", | |
108 | options.wal_dir.c_str()); | |
109 | return; | |
110 | } | |
111 | wal_info.clear(); | |
494da23a | 112 | for (const std::string& file : files) { |
7c673cae FG |
113 | if (ParseFileName(file, &number, &type)) { |
114 | if (type == kLogFile) { | |
115 | env->GetFileSize(options.wal_dir + "/" + file, &file_size); | |
116 | char str[16]; | |
117 | snprintf(str, sizeof(str), "%" PRIu64, file_size); | |
118 | wal_info.append(file).append(" size: "). | |
119 | append(str).append(" ; "); | |
120 | } | |
121 | } | |
122 | } | |
123 | } | |
124 | Header(options.info_log, "Write Ahead Log file in %s: %s\n", | |
125 | options.wal_dir.c_str(), wal_info.c_str()); | |
126 | } | |
127 | } // namespace rocksdb |