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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>
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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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14
internal/db/statusfave.go
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@ -26,23 +26,23 @@ import (
type StatusFave interface {
// GetStatusFaveByAccountID gets one status fave created by the given
// accountID, targeting the given statusID.
GetStatusFave(ctx context.Context, accountID string, statusID string) (*gtsmodel.StatusFave, Error)
GetStatusFave(ctx context.Context, accountID string, statusID string) (*gtsmodel.StatusFave, error)
// GetStatusFave returns one status fave with the given id.
GetStatusFaveByID(ctx context.Context, id string) (*gtsmodel.StatusFave, Error)
GetStatusFaveByID(ctx context.Context, id string) (*gtsmodel.StatusFave, error)
// GetStatusFaves returns a slice of faves/likes of the given status.
// This slice will be unfiltered, not taking account of blocks and whatnot, so filter it before serving it back to a user.
GetStatusFavesForStatus(ctx context.Context, statusID string) ([]*gtsmodel.StatusFave, Error)
GetStatusFavesForStatus(ctx context.Context, statusID string) ([]*gtsmodel.StatusFave, error)
// PopulateStatusFave ensures that all sub-models of a fave are populated (account, status, etc).
PopulateStatusFave(ctx context.Context, statusFave *gtsmodel.StatusFave) error
// PutStatusFave inserts the given statusFave into the database.
PutStatusFave(ctx context.Context, statusFave *gtsmodel.StatusFave) Error
PutStatusFave(ctx context.Context, statusFave *gtsmodel.StatusFave) error
// DeleteStatusFave deletes one status fave with the given id.
DeleteStatusFaveByID(ctx context.Context, id string) Error
DeleteStatusFaveByID(ctx context.Context, id string) error
// DeleteStatusFaves mass deletes status faves targeting targetAccountID
// and/or originating from originAccountID and/or faving statusID.
@ -57,10 +57,10 @@ type StatusFave interface {
// originate from originAccountID will be deleted.
//
// At least one parameter must not be an empty string.
DeleteStatusFaves(ctx context.Context, targetAccountID string, originAccountID string) Error
DeleteStatusFaves(ctx context.Context, targetAccountID string, originAccountID string) error
// DeleteStatusFavesForStatus deletes all status faves that target the
// given status ID. This is useful when a status has been deleted, and you need
// to clean up after it.
DeleteStatusFavesForStatus(ctx context.Context, statusID string) Error
DeleteStatusFavesForStatus(ctx context.Context, statusID string) error
}