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allow configuring maximum idle connections per host (#18908)

This commit is contained in:
Harshavardhana 2024-01-29 16:50:37 -08:00 committed by GitHub
parent 403ec7cf21
commit 2ddf2ca934
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GPG Key ID: B5690EEEBB952194
6 changed files with 27 additions and 14 deletions
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1
cmd/common-main.go
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@ -397,6 +397,7 @@ func buildServerCtxt(ctx *cli.Context, ctxt *serverCtxt) (err error) {
ctxt.ShutdownTimeout = ctx.Duration("shutdown-timeout")
ctxt.IdleTimeout = ctx.Duration("idle-timeout")
ctxt.ReadHeaderTimeout = ctx.Duration("read-header-timeout")
ctxt.MaxIdleConnsPerHost = ctx.Int("max-idle-conns-per-host")
if conf := ctx.String("config"); len(conf) > 0 {
err = mergeServerCtxtFromConfigFile(conf, ctxt)

7
cmd/globals.go
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@ -157,9 +157,10 @@ type serverCtxt struct {
ConnReadDeadline time.Duration
ConnWriteDeadline time.Duration
ShutdownTimeout time.Duration
IdleTimeout time.Duration
ReadHeaderTimeout time.Duration
ShutdownTimeout time.Duration
IdleTimeout time.Duration
ReadHeaderTimeout time.Duration
MaxIdleConnsPerHost int
// The layout of disks as interpreted
Layout disksLayout

9
cmd/server-main.go
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@ -135,6 +135,13 @@ var ServerFlags = []cli.Flag{
Value: 10 * time.Minute,
EnvVar: "MINIO_DNS_CACHE_TTL",
},
cli.IntFlag{
Name: "max-idle-conns-per-host",
Usage: "set a custom max idle connections per host value",
Hidden: true,
Value: 2048,
EnvVar: "MINIO_MAX_IDLE_CONNS_PER_HOST",
},
cli.StringSliceFlag{
Name: "ftp",
Usage: "enable and configure an FTP(Secure) server",
@ -330,7 +337,7 @@ func serverHandleCmdArgs(ctxt serverCtxt) {
// allow transport to be HTTP/1.1 for proxying.
globalProxyTransport = NewCustomHTTPProxyTransport()()
globalProxyEndpoints = GetProxyEndpoints(globalEndpoints)
globalInternodeTransport = NewInternodeHTTPTransport()()
globalInternodeTransport = NewInternodeHTTPTransport(ctxt.MaxIdleConnsPerHost)()
globalRemoteTargetTransport = NewRemoteTargetHTTPTransport(false)()
globalForwarder = handlers.NewForwarder(&handlers.Forwarder{

2
cmd/test-utils_test.go
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@ -111,7 +111,7 @@ func TestMain(m *testing.M) {
// Initialize globalConsoleSys system
globalConsoleSys = NewConsoleLogger(context.Background())
globalInternodeTransport = NewInternodeHTTPTransport()()
globalInternodeTransport = NewInternodeHTTPTransport(0)()
initHelp()

4
cmd/utils.go
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@ -587,7 +587,7 @@ func GetDefaultConnSettings() xhttp.ConnSettings {
// NewInternodeHTTPTransport returns a transport for internode MinIO
// connections.
func NewInternodeHTTPTransport() func() http.RoundTripper {
func NewInternodeHTTPTransport(maxIdleConnsPerHost int) func() http.RoundTripper {
lookupHost := globalDNSCache.LookupHost
if IsKubernetes() || IsDocker() {
lookupHost = nil
@ -601,7 +601,7 @@ func NewInternodeHTTPTransport() func() http.RoundTripper {
CurvePreferences: fips.TLSCurveIDs(),
EnableHTTP2: false,
TCPOptions: globalTCPOptions,
}.NewInternodeHTTPTransport()
}.NewInternodeHTTPTransport(maxIdleConnsPerHost)
}
// NewCustomHTTPProxyTransport is used only for proxied requests, specifically

18
internal/http/transports.go
View File

@ -49,7 +49,11 @@ type ConnSettings struct {
TCPOptions TCPOptions
}
func (s ConnSettings) getDefaultTransport() *http.Transport {
func (s ConnSettings) getDefaultTransport(maxIdleConnsPerHost int) *http.Transport {
if maxIdleConnsPerHost <= 0 {
maxIdleConnsPerHost = 1024
}
dialContext := s.DialContext
if dialContext == nil {
dialContext = DialContextWithLookupHost(s.LookupHost, NewInternodeDialContext(s.DialTimeout, s.TCPOptions))
@ -67,7 +71,7 @@ func (s ConnSettings) getDefaultTransport() *http.Transport {
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: dialContext,
MaxIdleConnsPerHost: 1024,
MaxIdleConnsPerHost: maxIdleConnsPerHost,
WriteBufferSize: 32 << 10, // 32KiB moving up from 4KiB default
ReadBufferSize: 32 << 10, // 32KiB moving up from 4KiB default
IdleConnTimeout: 15 * time.Second,
@ -106,8 +110,8 @@ func (s ConnSettings) getDefaultTransport() *http.Transport {
}
// NewInternodeHTTPTransport returns transport for internode MinIO connections.
func (s ConnSettings) NewInternodeHTTPTransport() func() http.RoundTripper {
tr := s.getDefaultTransport()
func (s ConnSettings) NewInternodeHTTPTransport(maxIdleConnsPerHost int) func() http.RoundTripper {
tr := s.getDefaultTransport(maxIdleConnsPerHost)
// Settings specific to internode requests.
tr.TLSHandshakeTimeout = 15 * time.Second
@ -121,7 +125,7 @@ func (s ConnSettings) NewInternodeHTTPTransport() func() http.RoundTripper {
// only supports HTTP/1.1
func (s ConnSettings) NewCustomHTTPProxyTransport() func() *http.Transport {
s.EnableHTTP2 = false
tr := s.getDefaultTransport()
tr := s.getDefaultTransport(0)
// Settings specific to proxied requests.
tr.ResponseHeaderTimeout = 30 * time.Minute
@ -133,7 +137,7 @@ func (s ConnSettings) NewCustomHTTPProxyTransport() func() *http.Transport {
// NewHTTPTransportWithTimeout allows setting a timeout for response headers
func (s ConnSettings) NewHTTPTransportWithTimeout(timeout time.Duration) *http.Transport {
tr := s.getDefaultTransport()
tr := s.getDefaultTransport(0)
// Settings specific to this transport.
tr.ResponseHeaderTimeout = timeout
@ -161,7 +165,7 @@ func (s ConnSettings) NewHTTPTransportWithClientCerts(ctx context.Context, clien
// NewRemoteTargetHTTPTransport returns a new http configuration
// used while communicating with the remote replication targets.
func (s ConnSettings) NewRemoteTargetHTTPTransport(insecure bool) func() *http.Transport {
tr := s.getDefaultTransport()
tr := s.getDefaultTransport(0)
tr.TLSHandshakeTimeout = 10 * time.Second
tr.ResponseHeaderTimeout = 0