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

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* 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
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53 changed files with 1050 additions and 898 deletions
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7
internal/federation/dereferencing/account_test.go
View file

@ -25,6 +25,7 @@ import (
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/testrig"
)
@ -175,7 +176,7 @@ func (suite *AccountTestSuite) TestDereferenceLocalAccountWithUnknownUsername()
config.GetHost(),
)
suite.True(gtserror.Unretrievable(err))
suite.EqualError(err, "no entries")
suite.EqualError(err, db.ErrNoEntries.Error())
suite.Nil(fetchedAccount)
}
@ -189,7 +190,7 @@ func (suite *AccountTestSuite) TestDereferenceLocalAccountWithUnknownUsernameDom
"localhost:8080",
)
suite.True(gtserror.Unretrievable(err))
suite.EqualError(err, "no entries")
suite.EqualError(err, db.ErrNoEntries.Error())
suite.Nil(fetchedAccount)
}
@ -202,7 +203,7 @@ func (suite *AccountTestSuite) TestDereferenceLocalAccountWithUnknownUserURI() {
testrig.URLMustParse("http://localhost:8080/users/thisaccountdoesnotexist"),
)
suite.True(gtserror.Unretrievable(err))
suite.EqualError(err, "no entries")
suite.EqualError(err, db.ErrNoEntries.Error())
suite.Nil(fetchedAccount)
}