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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
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16
internal/db/domain.go
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@ -27,29 +27,29 @@ import (
// Domain contains DB functions related to domains and domain blocks.
type Domain interface {
// CreateDomainBlock puts the given instance-level domain block into the database.
CreateDomainBlock(ctx context.Context, block *gtsmodel.DomainBlock) Error
CreateDomainBlock(ctx context.Context, block *gtsmodel.DomainBlock) error
// GetDomainBlock returns one instance-level domain block with the given domain, if it exists.
GetDomainBlock(ctx context.Context, domain string) (*gtsmodel.DomainBlock, Error)
GetDomainBlock(ctx context.Context, domain string) (*gtsmodel.DomainBlock, error)
// GetDomainBlockByID returns one instance-level domain block with the given id, if it exists.
GetDomainBlockByID(ctx context.Context, id string) (*gtsmodel.DomainBlock, Error)
GetDomainBlockByID(ctx context.Context, id string) (*gtsmodel.DomainBlock, error)
// GetDomainBlocks returns all instance-level domain blocks currently enforced by this instance.
GetDomainBlocks(ctx context.Context) ([]*gtsmodel.DomainBlock, error)
// DeleteDomainBlock deletes an instance-level domain block with the given domain, if it exists.
DeleteDomainBlock(ctx context.Context, domain string) Error
DeleteDomainBlock(ctx context.Context, domain string) error
// IsDomainBlocked checks if an instance-level domain block exists for the given domain string (eg., `example.org`).
IsDomainBlocked(ctx context.Context, domain string) (bool, Error)
IsDomainBlocked(ctx context.Context, domain string) (bool, error)
// AreDomainsBlocked checks if an instance-level domain block exists for any of the given domains strings, and returns true if even one is found.
AreDomainsBlocked(ctx context.Context, domains []string) (bool, Error)
AreDomainsBlocked(ctx context.Context, domains []string) (bool, error)
// IsURIBlocked checks if an instance-level domain block exists for the `host` in the given URI (eg., `https://example.org/users/whatever`).
IsURIBlocked(ctx context.Context, uri *url.URL) (bool, Error)
IsURIBlocked(ctx context.Context, uri *url.URL) (bool, error)
// AreURIsBlocked checks if an instance-level domain block exists for any `host` in the given URI slice, and returns true if even one is found.
AreURIsBlocked(ctx context.Context, uris []*url.URL) (bool, Error)
AreURIsBlocked(ctx context.Context, uris []*url.URL) (bool, error)
}