mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
385 lines
9.5 KiB
Go
385 lines
9.5 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"net/http"
|
|
"os"
|
|
"runtime"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/shirou/gopsutil/v3/mem"
|
|
|
|
"github.com/minio/minio/internal/config/api"
|
|
xioutil "github.com/minio/minio/internal/ioutil"
|
|
"github.com/minio/minio/internal/logger"
|
|
"github.com/minio/minio/internal/mcontext"
|
|
)
|
|
|
|
type apiConfig struct {
|
|
mu sync.RWMutex
|
|
|
|
requestsDeadline time.Duration
|
|
requestsPool chan struct{}
|
|
clusterDeadline time.Duration
|
|
listQuorum string
|
|
corsAllowOrigins []string
|
|
// total drives per erasure set across pools.
|
|
totalDriveCount int
|
|
replicationPriority string
|
|
replicationMaxWorkers int
|
|
transitionWorkers int
|
|
|
|
staleUploadsExpiry time.Duration
|
|
staleUploadsCleanupInterval time.Duration
|
|
deleteCleanupInterval time.Duration
|
|
enableODirect bool
|
|
gzipObjects bool
|
|
rootAccess bool
|
|
syncEvents bool
|
|
}
|
|
|
|
const (
|
|
cgroupV1MemLimitFile = "/sys/fs/cgroup/memory/memory.limit_in_bytes"
|
|
cgroupV2MemLimitFile = "/sys/fs/cgroup/memory.max"
|
|
cgroupMemNoLimit = 9223372036854771712
|
|
)
|
|
|
|
func cgroupMemLimit() (limit uint64) {
|
|
buf, err := os.ReadFile(cgroupV2MemLimitFile)
|
|
if err != nil {
|
|
buf, err = os.ReadFile(cgroupV1MemLimitFile)
|
|
}
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
limit, err = strconv.ParseUint(strings.TrimSpace(string(buf)), 10, 64)
|
|
if err != nil {
|
|
// The kernel can return valid but non integer values
|
|
// but still, no need to interpret more
|
|
return 0
|
|
}
|
|
if limit == cgroupMemNoLimit {
|
|
// No limit set, It's the highest positive signed 64-bit
|
|
// integer (2^63-1), rounded down to multiples of 4096 (2^12),
|
|
// the most common page size on x86 systems - for cgroup_limits.
|
|
return 0
|
|
}
|
|
return limit
|
|
}
|
|
|
|
func availableMemory() (available uint64) {
|
|
available = 8 << 30 // Default to 8 GiB when we can't find the limits.
|
|
|
|
if runtime.GOOS == "linux" {
|
|
// Useful in container mode
|
|
limit := cgroupMemLimit()
|
|
if limit > 0 {
|
|
// A valid value is found
|
|
available = limit
|
|
return
|
|
}
|
|
} // for all other platforms limits are based on virtual memory.
|
|
|
|
memStats, err := mem.VirtualMemory()
|
|
if err != nil {
|
|
return
|
|
}
|
|
available = memStats.Available / 2
|
|
return
|
|
}
|
|
|
|
func (t *apiConfig) init(cfg api.Config, setDriveCounts []int) {
|
|
t.mu.Lock()
|
|
defer t.mu.Unlock()
|
|
|
|
clusterDeadline := cfg.ClusterDeadline
|
|
if clusterDeadline == 0 {
|
|
clusterDeadline = 10 * time.Second
|
|
}
|
|
t.clusterDeadline = clusterDeadline
|
|
corsAllowOrigin := cfg.CorsAllowOrigin
|
|
if len(corsAllowOrigin) == 0 {
|
|
corsAllowOrigin = []string{"*"}
|
|
}
|
|
t.corsAllowOrigins = corsAllowOrigin
|
|
|
|
maxSetDrives := 0
|
|
for _, setDriveCount := range setDriveCounts {
|
|
t.totalDriveCount += setDriveCount
|
|
if setDriveCount > maxSetDrives {
|
|
maxSetDrives = setDriveCount
|
|
}
|
|
}
|
|
|
|
var apiRequestsMaxPerNode int
|
|
if cfg.RequestsMax <= 0 {
|
|
maxMem := availableMemory()
|
|
|
|
// max requests per node is calculated as
|
|
// total_ram / ram_per_request
|
|
// ram_per_request is (2MiB+128KiB) * driveCount \
|
|
// + 2 * 10MiB (default erasure block size v1) + 2 * 1MiB (default erasure block size v2)
|
|
blockSize := xioutil.BlockSizeLarge + xioutil.BlockSizeSmall
|
|
apiRequestsMaxPerNode = int(maxMem / uint64(maxSetDrives*blockSize+int(blockSizeV1*2+blockSizeV2*2)))
|
|
if globalIsDistErasure {
|
|
logger.Info("Automatically configured API requests per node based on available memory on the system: %d", apiRequestsMaxPerNode)
|
|
}
|
|
} else {
|
|
apiRequestsMaxPerNode = cfg.RequestsMax
|
|
if n := totalNodeCount(); n > 0 {
|
|
apiRequestsMaxPerNode /= n
|
|
}
|
|
}
|
|
|
|
if cap(t.requestsPool) != apiRequestsMaxPerNode {
|
|
// Only replace if needed.
|
|
// Existing requests will use the previous limit,
|
|
// but new requests will use the new limit.
|
|
// There will be a short overlap window,
|
|
// but this shouldn't last long.
|
|
t.requestsPool = make(chan struct{}, apiRequestsMaxPerNode)
|
|
}
|
|
t.requestsDeadline = cfg.RequestsDeadline
|
|
listQuorum := cfg.ListQuorum
|
|
if listQuorum == "" {
|
|
listQuorum = "strict"
|
|
}
|
|
t.listQuorum = listQuorum
|
|
if globalReplicationPool != nil &&
|
|
(cfg.ReplicationPriority != t.replicationPriority || cfg.ReplicationMaxWorkers != t.replicationMaxWorkers) {
|
|
globalReplicationPool.ResizeWorkerPriority(cfg.ReplicationPriority, cfg.ReplicationMaxWorkers)
|
|
}
|
|
t.replicationPriority = cfg.ReplicationPriority
|
|
t.replicationMaxWorkers = cfg.ReplicationMaxWorkers
|
|
if globalTransitionState != nil && cfg.TransitionWorkers != t.transitionWorkers {
|
|
globalTransitionState.UpdateWorkers(cfg.TransitionWorkers)
|
|
}
|
|
t.transitionWorkers = cfg.TransitionWorkers
|
|
|
|
t.staleUploadsExpiry = cfg.StaleUploadsExpiry
|
|
t.staleUploadsCleanupInterval = cfg.StaleUploadsCleanupInterval
|
|
t.deleteCleanupInterval = cfg.DeleteCleanupInterval
|
|
t.enableODirect = cfg.EnableODirect
|
|
t.gzipObjects = cfg.GzipObjects
|
|
t.rootAccess = cfg.RootAccess
|
|
t.syncEvents = cfg.SyncEvents
|
|
}
|
|
|
|
func (t *apiConfig) odirectEnabled() bool {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
return t.enableODirect
|
|
}
|
|
|
|
func (t *apiConfig) shouldGzipObjects() bool {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
return t.gzipObjects
|
|
}
|
|
|
|
func (t *apiConfig) permitRootAccess() bool {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
return t.rootAccess
|
|
}
|
|
|
|
func (t *apiConfig) getListQuorum() string {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.listQuorum == "" {
|
|
return "strict"
|
|
}
|
|
|
|
return t.listQuorum
|
|
}
|
|
|
|
func (t *apiConfig) getCorsAllowOrigins() []string {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if len(t.corsAllowOrigins) == 0 {
|
|
return []string{"*"}
|
|
}
|
|
|
|
corsAllowOrigins := make([]string, len(t.corsAllowOrigins))
|
|
copy(corsAllowOrigins, t.corsAllowOrigins)
|
|
return corsAllowOrigins
|
|
}
|
|
|
|
func (t *apiConfig) getStaleUploadsCleanupInterval() time.Duration {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.staleUploadsCleanupInterval == 0 {
|
|
return 6 * time.Hour // default 6 hours
|
|
}
|
|
|
|
return t.staleUploadsCleanupInterval
|
|
}
|
|
|
|
func (t *apiConfig) getStaleUploadsExpiry() time.Duration {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.staleUploadsExpiry == 0 {
|
|
return 24 * time.Hour // default 24 hours
|
|
}
|
|
|
|
return t.staleUploadsExpiry
|
|
}
|
|
|
|
func (t *apiConfig) getDeleteCleanupInterval() time.Duration {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.deleteCleanupInterval == 0 {
|
|
return 5 * time.Minute // every 5 minutes
|
|
}
|
|
|
|
return t.deleteCleanupInterval
|
|
}
|
|
|
|
func (t *apiConfig) getClusterDeadline() time.Duration {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.clusterDeadline == 0 {
|
|
return 10 * time.Second
|
|
}
|
|
|
|
return t.clusterDeadline
|
|
}
|
|
|
|
func (t *apiConfig) getRequestsPoolCapacity() int {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
return cap(t.requestsPool)
|
|
}
|
|
|
|
func (t *apiConfig) getRequestsPool() (chan struct{}, time.Duration) {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.requestsPool == nil {
|
|
return nil, time.Duration(0)
|
|
}
|
|
|
|
return t.requestsPool, t.requestsDeadline
|
|
}
|
|
|
|
// maxClients throttles the S3 API calls
|
|
func maxClients(f http.HandlerFunc) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
globalHTTPStats.incS3RequestsIncoming()
|
|
|
|
if r.Header.Get(globalObjectPerfUserMetadata) == "" {
|
|
if val := globalServiceFreeze.Load(); val != nil {
|
|
if unlock, ok := val.(chan struct{}); ok && unlock != nil {
|
|
// Wait until unfrozen.
|
|
select {
|
|
case <-unlock:
|
|
case <-r.Context().Done():
|
|
// if client canceled we don't need to wait here forever.
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pool, deadline := globalAPIConfig.getRequestsPool()
|
|
if pool == nil {
|
|
f.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
globalHTTPStats.addRequestsInQueue(1)
|
|
|
|
if tc, ok := r.Context().Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt); ok {
|
|
tc.FuncName = "s3.MaxClients"
|
|
}
|
|
|
|
deadlineTimer := time.NewTimer(deadline)
|
|
defer deadlineTimer.Stop()
|
|
|
|
select {
|
|
case pool <- struct{}{}:
|
|
defer func() { <-pool }()
|
|
globalHTTPStats.addRequestsInQueue(-1)
|
|
f.ServeHTTP(w, r)
|
|
case <-deadlineTimer.C:
|
|
// Send a http timeout message
|
|
writeErrorResponse(r.Context(), w,
|
|
errorCodes.ToAPIErr(ErrTooManyRequests),
|
|
r.URL)
|
|
globalHTTPStats.addRequestsInQueue(-1)
|
|
return
|
|
case <-r.Context().Done():
|
|
// When the client disconnects before getting the S3 handler
|
|
// status code response, set the status code to 499 so this request
|
|
// will be properly audited and traced.
|
|
w.WriteHeader(499)
|
|
globalHTTPStats.addRequestsInQueue(-1)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (t *apiConfig) getReplicationOpts() replicationPoolOpts {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.replicationPriority == "" {
|
|
return replicationPoolOpts{
|
|
Priority: "auto",
|
|
MaxWorkers: WorkerMaxLimit,
|
|
}
|
|
}
|
|
|
|
return replicationPoolOpts{
|
|
Priority: t.replicationPriority,
|
|
MaxWorkers: t.replicationMaxWorkers,
|
|
}
|
|
}
|
|
|
|
func (t *apiConfig) getTransitionWorkers() int {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
if t.transitionWorkers <= 0 {
|
|
return runtime.GOMAXPROCS(0) / 2
|
|
}
|
|
|
|
return t.transitionWorkers
|
|
}
|
|
|
|
func (t *apiConfig) isSyncEventsEnabled() bool {
|
|
t.mu.RLock()
|
|
defer t.mu.RUnlock()
|
|
|
|
return t.syncEvents
|
|
}
|