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feat: add syncthing debug database-statistics command (#10117)

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This adds a command that shows database statistics. Currently it
requires a fork of the sqlite package to add the dbstats virtual table;
the modernc variant already has it.

This also provides the canonical mapping between folder ID and database
file, for tinkerers...

```
% ./bin/syncthing debug database-statistics
DATABASE                 FOLDER ID    TABLE                                  SIZE     FILL
========                 ====== ==    =====                                  ====     ====
main.db                  -            folders                               4 KiB    8.4 %
main.db                  -            folders_database_name                 4 KiB    6.0 %
main.db                  -            kv                                    4 KiB   41.1 %
main.db                  -            schemamigrations                      4 KiB    3.9 %
main.db                  -            sqlite_autoindex_folders_1            4 KiB    3.7 %
...
folder.0007-txpxsvyd.db  w3ejt-fn4dm  indexids                              4 KiB    1.5 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  kv                                    4 KiB    0.8 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  mtimes                              608 KiB   81.5 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  schemamigrations                      4 KiB    3.9 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_autoindex_blocklists_1      4108 KiB   89.5 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_autoindex_blocks_1        700020 KiB   88.1 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_autoindex_devices_1            4 KiB    3.6 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_autoindex_kv_1                 4 KiB    0.6 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_schema                        12 KiB   45.9 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_sequence                       4 KiB    1.0 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_stat1                          4 KiB   12.2 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  sqlite_stat4                          4 KiB    0.2 %
folder.0007-txpxsvyd.db  w3ejt-fn4dm  (total)                         1906020 KiB   92.8 %
main.db + children       -            (total)                         2205888 KiB   92.0 %
```
This commit is contained in:
Jakob Borg
2025-05-20 14:27:08 +02:00
committed by GitHub
parent 72849690c9
commit 085455d72e
6 changed files with 121 additions and 24 deletions
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+2 -2
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@@ -31,6 +31,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/calmh/glob v0.0.0-20220615080505-1d823af5017b h1:Fjm4GuJ+TGMgqfGHN42IQArJb77CfD/mAwLbDUoJe6g=
github.com/calmh/glob v0.0.0-20220615080505-1d823af5017b/go.mod h1:91K7jfEsgJSyfSrX+gmrRfZMtntx6JsHolWubGXDopg=
github.com/calmh/go-sqlite3 v1.14.29-0.20250520105817-2e94cda3f7f8 h1:oNVrBJGXkD334ToEmxJz8G6LhzD1/sMA4twMHsMLzQo=
github.com/calmh/go-sqlite3 v1.14.29-0.20250520105817-2e94cda3f7f8/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/calmh/incontainer v1.0.0 h1:g2cTUtZuFGmMGX8GoykPkN1Judj2uw8/3/aEtq4Z/rg=
github.com/calmh/incontainer v1.0.0/go.mod h1:eOhqnw15c9X+4RNBe0W3HlUZFfX16O0EDsCOInTndHY=
github.com/calmh/xdr v1.2.0 h1:GaGSNH4ZDw9kNdYqle6+RcAENiaQ8/611Ok+jQbBEeU=
@@ -164,8 +166,6 @@ github.com/maruel/panicparse/v2 v2.5.0/go.mod h1:DA2fDiBk63bKfBf4CVZP9gb4fuvzdPb
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
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github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/mattn/go-sqlite3 v1.14.27 h1:drZCnuvf37yPfs95E5jd9s3XhdVWLal+6BOK6qrv6IU=
github.com/mattn/go-sqlite3 v1.14.27/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/maxbrunsfeld/counterfeiter/v6 v6.11.2 h1:yVCLo4+ACVroOEr4iFU1iH46Ldlzz2rTuu18Ra7M8sU=
github.com/maxbrunsfeld/counterfeiter/v6 v6.11.2/go.mod h1:VzB2VoMh1Y32/QqDfg9ZJYHj99oM4LiGtqPZydTiQSQ=
github.com/maxmind/geoipupdate/v6 v6.1.0 h1:sdtTHzzQNJlXF5+fd/EoPTucRHyMonYt/Cok8xzzfqA=