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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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2
mediaapi/mediaapi.go
View file

@ -29,7 +29,7 @@ func SetupMediaAPIComponent(
base *basecomponent.BaseDendrite,
deviceDB devices.Database,
) {
mediaDB, err := storage.Open(string(base.Cfg.Database.MediaAPI))
mediaDB, err := storage.Open(string(base.Cfg.Database.MediaAPI), base.Cfg.DbProperties())
if err != nil {
logrus.WithError(err).Panicf("failed to connect to media db")
}

5
mediaapi/storage/postgres/storage.go
View file

@ -21,6 +21,7 @@ import (
// Import the postgres database driver.
_ "github.com/lib/pq"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/mediaapi/types"
"github.com/matrix-org/gomatrixserverlib"
@ -33,10 +34,10 @@ type Database struct {
}
// Open opens a postgres database.
func Open(dataSourceName string) (*Database, error) {
func Open(dataSourceName string, dbProperties common.DbProperties) (*Database, error) {
var d Database
var err error
if d.db, err = sqlutil.Open("postgres", dataSourceName); err != nil {
if d.db, err = sqlutil.Open("postgres", dataSourceName, dbProperties); err != nil {
return nil, err
}
if err = d.statements.prepare(d.db); err != nil {

2
mediaapi/storage/sqlite3/storage.go
View file

@ -37,7 +37,7 @@ type Database struct {
func Open(dataSourceName string) (*Database, error) {
var d Database
var err error
if d.db, err = sqlutil.Open(common.SQLiteDriverName(), dataSourceName); err != nil {
if d.db, err = sqlutil.Open(common.SQLiteDriverName(), dataSourceName, nil); err != nil {
return nil, err
}
if err = d.statements.prepare(d.db); err != nil {

9
mediaapi/storage/storage.go
View file

@ -19,22 +19,23 @@ package storage
import (
"net/url"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/mediaapi/storage/postgres"
"github.com/matrix-org/dendrite/mediaapi/storage/sqlite3"
)
// Open opens a postgres database.
func Open(dataSourceName string) (Database, error) {
func Open(dataSourceName string, dbProperties common.DbProperties) (Database, error) {
uri, err := url.Parse(dataSourceName)
if err != nil {
return postgres.Open(dataSourceName)
return postgres.Open(dataSourceName, dbProperties)
}
switch uri.Scheme {
case "postgres":
return postgres.Open(dataSourceName)
return postgres.Open(dataSourceName, dbProperties)
case "file":
return sqlite3.Open(dataSourceName)
default:
return postgres.Open(dataSourceName)
return postgres.Open(dataSourceName, dbProperties)
}
}

6
mediaapi/storage/storage_wasm.go
View file

@ -18,11 +18,15 @@ import (
"fmt"
"net/url"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/mediaapi/storage/sqlite3"
)
// Open opens a postgres database.
func Open(dataSourceName string) (Database, error) {
func Open(
dataSourceName string,
dbProperties common.DbProperties, // nolint:unparam
) (Database, error) {
uri, err := url.Parse(dataSourceName)
if err != nil {
return nil, fmt.Errorf("Cannot use postgres implementation")