我有同时运行200个goroutines的代码。每个goroutine都会串行发出Copy个操作。每个Could not find a version that satisfies the requirement matplotlib (from versions: )
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都会发出两个请求：
StartCopy（PUT请求）WaitForCopy（HEAD请求）在每个http请求之后，调用readAndCloseBody，这对于确保重用连接很重要。此外，我已将传输设置为http.DefaultTransport，并将Copy和MaxIdleConnsPerHost设置为200，这很重要，因为它默认为MaxIdleConns == 2.
尽管如此，当我运行DefaultMaxConnsPerHost时，我经常会看到很多超过200个 TCP（ESTABLISHED）条目 - 有时最多1000条。以下是一个例子：< / p>
lsof知道连接可能泄漏的地方/如何限制连接数？
main 24217 jsmith 377u IPv4 0x364ecf4bed03d3d 0t0 TCP :50248->51.4.208.24:https (ESTABLISHED)
我在OSX 10.3.2上运行go1.10并在56332fe使用package main
import (
"net/http"
"sync"
"time"
"github.com/Azure/azure-sdk-for-go/storage"
)
func main() {
// create and initialize a client
client, _ := storage.NewBasicClient(ACCOUNT_NAME, ACCOUNT_KEY)
// use DefaultTransport with configs that limit conns
client.HTTPClient.Transport = http.DefaultTransport
transp, _ := client.HTTPClient.Transport.(*http.Transport)
client.HTTPClient.Transport = http.DefaultTransport
transp.MaxIdleConnsPerHost = 200
transp.MaxIdleConns = 200
rootClient := client.GetBlobService().GetContainerReference("foo")
numRoutines := 200
numRequestsPerRoutine := 100
var wg sync.WaitGroup
for i := 0; i < numRoutines; i++ {
wg.Add(1)
go func() {
for j := 0; j < numRequestsPerRoutine; j++ {
sourceBlob := rootClient.GetBlobReference("fileA")
destBlob := rootClient.GetBlobReference("dirX/fileA")
destBlob.Copy(sourceBlob.GetURL(), nil)
time.Sleep(250 * time.Millisecond)
}
wg.Done()
}()
}
wg.Wait()
}
。