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a17f14f73a
epoll contention on TCP causes latency build-up when we have high volume ingress. This PR is an attempt to relieve this pressure. upstream issue https://github.com/golang/go/issues/65064 It seems to be a deeper problem; haven't yet tried the fix provide in this issue, but however this change without changing the compiler helps. Of course, this is a workaround for now, hoping for a more comprehensive fix from Go runtime.
116 lines
3.9 KiB
Go
116 lines
3.9 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"net/http"
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"github.com/minio/minio/internal/grid"
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"github.com/minio/mux"
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)
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// Composed function registering routers for only distributed Erasure setup.
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func registerDistErasureRouters(router *mux.Router, endpointServerPools EndpointServerPools) {
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var (
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lockGrid = globalLockGrid.Load()
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commonGrid = globalGrid.Load()
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)
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// Register storage REST router only if its a distributed setup.
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registerStorageRESTHandlers(router, endpointServerPools, commonGrid)
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// Register peer REST router only if its a distributed setup.
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registerPeerRESTHandlers(router, commonGrid)
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// Register bootstrap REST router for distributed setups.
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registerBootstrapRESTHandlers(commonGrid)
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// Register distributed namespace lock routers.
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registerLockRESTHandlers(lockGrid)
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// Add lock grid to router
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router.Handle(grid.RouteLockPath, adminMiddleware(lockGrid.Handler(storageServerRequestValidate), noGZFlag, noObjLayerFlag))
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// Add grid to router
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router.Handle(grid.RoutePath, adminMiddleware(commonGrid.Handler(storageServerRequestValidate), noGZFlag, noObjLayerFlag))
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}
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// List of some generic middlewares which are applied for all incoming requests.
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var globalMiddlewares = []mux.MiddlewareFunc{
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// set x-amz-request-id header and others
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addCustomHeadersMiddleware,
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// The generic tracer needs to be the first middleware to catch all requests
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// returned early by any other middleware (but after the middleware that
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// sets the amz request id).
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httpTracerMiddleware,
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// Auth middleware verifies incoming authorization headers and routes them
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// accordingly. Client receives a HTTP error for invalid/unsupported
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// signatures.
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//
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// Validates all incoming requests to have a valid date header.
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setAuthMiddleware,
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// Redirect some pre-defined browser request paths to a static location
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// prefix.
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setBrowserRedirectMiddleware,
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// Adds 'crossdomain.xml' policy middleware to serve legacy flash clients.
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setCrossDomainPolicyMiddleware,
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// Limits all body and header sizes to a maximum fixed limit
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setRequestLimitMiddleware,
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// Validate all the incoming requests.
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setRequestValidityMiddleware,
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// Add upload forwarding middleware for site replication
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setUploadForwardingMiddleware,
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// Add bucket forwarding middleware
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setBucketForwardingMiddleware,
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// Add new middlewares here.
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}
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// configureServer handler returns final handler for the http server.
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func configureServerHandler(endpointServerPools EndpointServerPools) (http.Handler, error) {
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// Initialize router. `SkipClean(true)` stops minio/mux from
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// normalizing URL path minio/minio#3256
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router := mux.NewRouter().SkipClean(true).UseEncodedPath()
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// Initialize distributed NS lock.
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if globalIsDistErasure {
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registerDistErasureRouters(router, endpointServerPools)
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}
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// Add Admin router, all APIs are enabled in server mode.
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registerAdminRouter(router, true)
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// Add healthCheck router
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registerHealthCheckRouter(router)
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// Add server metrics router
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registerMetricsRouter(router)
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// Add STS router always.
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registerSTSRouter(router)
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// Add KMS router
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registerKMSRouter(router)
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// Add API router
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registerAPIRouter(router)
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router.Use(globalMiddlewares...)
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return router, nil
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}
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