[performance] retry db queries on busy errors (#2025)

* catch SQLITE_BUSY errors, wrap bun.DB to use our own busy retrier, remove unnecessary db.Error type

Signed-off-by: kim <grufwub@gmail.com>

* remove dead code

Signed-off-by: kim <grufwub@gmail.com>

* remove more dead code, add missing error arguments

Signed-off-by: kim <grufwub@gmail.com>

* update sqlite to use maxOpenConns()

Signed-off-by: kim <grufwub@gmail.com>

* add uncommitted changes

Signed-off-by: kim <grufwub@gmail.com>

* use direct calls-through for the ConnIface to make sure we don't double query hook

Signed-off-by: kim <grufwub@gmail.com>

* expose underlying bun.DB better

Signed-off-by: kim <grufwub@gmail.com>

* retry on the correct busy error

Signed-off-by: kim <grufwub@gmail.com>

* use longer possible maxRetries for db retry-backoff

Signed-off-by: kim <grufwub@gmail.com>

* remove the note regarding max-open-conns only applying to postgres

Signed-off-by: kim <grufwub@gmail.com>

* improved code commenting

Signed-off-by: kim <grufwub@gmail.com>

* remove unnecessary infof call (just use info)

Signed-off-by: kim <grufwub@gmail.com>

* rename DBConn to WrappedDB to better follow sql package name conventions

Signed-off-by: kim <grufwub@gmail.com>

* update test error string checks

Signed-off-by: kim <grufwub@gmail.com>

* shush linter

Signed-off-by: kim <grufwub@gmail.com>

* update backoff logic to be more transparent

Signed-off-by: kim <grufwub@gmail.com>

---------

Signed-off-by: kim <grufwub@gmail.com>
This commit is contained in:
kim 2023-07-25 09:34:05 +01:00 committed by GitHub
commit 5f3e095717
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
53 changed files with 1050 additions and 898 deletions

View file

@ -260,7 +260,7 @@ func (suite *AccountTestSuite) TestUpdateAccount() {
}
noCache := &gtsmodel.Account{}
err = dbService.GetConn().
err = dbService.DB().
NewSelect().
Model(noCache).
Where("? = ?", bun.Ident("account.id"), testAccount.ID).
@ -288,7 +288,7 @@ func (suite *AccountTestSuite) TestUpdateAccount() {
suite.Empty(updated.EmojiIDs)
suite.WithinDuration(time.Now(), updated.UpdatedAt, 5*time.Second)
err = dbService.GetConn().
err = dbService.DB().
NewSelect().
Model(noCache).
Where("? = ?", bun.Ident("account.id"), testAccount.ID).