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Limit database connections (#980, #564) (#998)

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* Limit database connections (#564)

- Add new options to the config file database:
      max_open_conns: 100
      max_idle_conns: 2
      conn_max_lifetime: -1
- Implement connection parameter setup on the *DB (database/sql) in internal/sqlutil/trace.go:Open()
- Propagate the values in the form of DbProperties interface via all the
  Open() and NewDatabase() functions

Signed-off-by: Tomas Jirka <tomas.jirka@email.cz>

* Fix wasm builds

* Remove file accidentally added from working tree

Co-authored-by: Tomas Jirka <tomas.jirka@email.cz>
This commit is contained in:
Neil Alexander 2020-05-01 13:34:53 +01:00 • committed by GitHub
parent 908108c23e
commit f7cfa75886
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GPG key ID: 4AEE18F83AFDEB23
51 changed files with 213 additions and 88 deletions
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8
common/keydb/keydb.go
View file

@ -21,6 +21,7 @@ import (
"golang.org/x/crypto/ed25519"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/common/keydb/postgres"
"github.com/matrix-org/dendrite/common/keydb/sqlite3"
"github.com/matrix-org/gomatrixserverlib"
@ -29,20 +30,21 @@ import (
// NewDatabase opens a database connection.
func NewDatabase(
dataSourceName string,
dbProperties common.DbProperties,
serverName gomatrixserverlib.ServerName,
serverKey ed25519.PublicKey,
serverKeyID gomatrixserverlib.KeyID,
) (Database, error) {
uri, err := url.Parse(dataSourceName)
if err != nil {
return postgres.NewDatabase(dataSourceName, serverName, serverKey, serverKeyID)
return postgres.NewDatabase(dataSourceName, dbProperties, serverName, serverKey, serverKeyID)
}
switch uri.Scheme {
case "postgres":
return postgres.NewDatabase(dataSourceName, serverName, serverKey, serverKeyID)
return postgres.NewDatabase(dataSourceName, dbProperties, serverName, serverKey, serverKeyID)
case "file":
return sqlite3.NewDatabase(dataSourceName, serverName, serverKey, serverKeyID)
default:
return postgres.NewDatabase(dataSourceName, serverName, serverKey, serverKeyID)
return postgres.NewDatabase(dataSourceName, dbProperties, serverName, serverKey, serverKeyID)
}
}

2
common/keydb/keydb_wasm.go
View file

@ -20,6 +20,7 @@ import (
"golang.org/x/crypto/ed25519"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/common/keydb/sqlite3"
"github.com/matrix-org/gomatrixserverlib"
)
@ -27,6 +28,7 @@ import (
// NewDatabase opens a database connection.
func NewDatabase(
dataSourceName string,
dbProperties common.DbProperties, // nolint:unparam
serverName gomatrixserverlib.ServerName,
serverKey ed25519.PublicKey,
serverKeyID gomatrixserverlib.KeyID,

4
common/keydb/postgres/keydb.go
View file

@ -21,6 +21,7 @@ import (
"golang.org/x/crypto/ed25519"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/gomatrixserverlib"
)
@ -37,11 +38,12 @@ type Database struct {
// Returns an error if there was a problem talking to the database.
func NewDatabase(
dataSourceName string,
dbProperties common.DbProperties,
serverName gomatrixserverlib.ServerName,
serverKey ed25519.PublicKey,
serverKeyID gomatrixserverlib.KeyID,
) (*Database, error) {
db, err := sqlutil.Open("postgres", dataSourceName)
db, err := sqlutil.Open("postgres", dataSourceName, dbProperties)
if err != nil {
return nil, err
}

2
common/keydb/sqlite3/keydb.go
View file

@ -44,7 +44,7 @@ func NewDatabase(
serverKey ed25519.PublicKey,
serverKeyID gomatrixserverlib.KeyID,
) (*Database, error) {
db, err := sqlutil.Open(common.SQLiteDriverName(), dataSourceName)
db, err := sqlutil.Open(common.SQLiteDriverName(), dataSourceName, nil)
if err != nil {
return nil, err
}