node.js의 Azure 테이블 저장소의 CPU 사용량이 높습니다.

Question

Azure 테이블 저장소로드 테스트에서 내 테스트 앱이 100 %를 사용하는 이유를 알아 내려고하고 있습니다.

100 %의 CPU에서 나는 작은 인스턴스에서 약 230 삽입/초를 얻을. 그 번호가 괜찮은지 모르겠지만 그럼에도 내가 CPU 사용량이 너무 높다고 생각합니다.

내 응용 프로그램은 기본적으로 그냥이 수행합니다중인 다른 250 개 삽입이 추가 250 이하가있는 경우

function insert(id) 
{ 
    var task={ PartitionKey: id, RowKey: "1", Description: "bench bench bench" }; 
    pending.inc(); 
    var ts=azure.createTableService(); 
    ts.insertEntity("bench", task, function (err) 
    { 
    pending.dec(); 
    if (err) return console.log("error", err); 
    reqStats.mark(); 
    }); 
} 

을 (이 테스트에 오류가 기록되지 않았다).

나는 --prof와 노드를 실행하지만 출력을 해석하는 방법을 잘 모르겠어요 : 분명히 많은 시간이 exports.Parser.Parser.parseString에 소요되는

Code move event for unknown code: 0x3fe5b8c0 
Statistical profiling result from v8.log, (7703 ticks, 1 unaccounted, 0 excluded). 

[Unknown]: 
    ticks total nonlib name 
     1 0.0% 

[Shared libraries]: 
    ticks total nonlib name 
    4003 52.0% 0.0% D:\Windows\SYSTEM32\ntdll.dll 
    3347 43.5% 0.0% F:\approot\node.exe 
    47 0.6% 0.0% D:\Windows\SYSTEM32\KERNEL32.DLL 
    44 0.6% 0.0% D:\Windows\SYSTEM32\KERNELBASE.dll 
     3 0.0% 0.0% D:\Windows\system32\mswsock.dll 
     1 0.0% 0.0% D:\Windows\SYSTEM32\WS2_32.dll 

[JavaScript]: 
    ticks total nonlib name 
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    12 0.2% 4.7% Function: write F:\approot\node_modules\azure\node_modules\xml2js\node_modules\sax\lib\sax.js:883 
    10 0.1% 3.9% Function: EventEmitter.addListener events.js:138 
     7 0.1% 2.7% KeyedLoadIC: A keyed load IC from the snapshot 
     7 0.1% 2.7% Function: ~Request.init F:\approot\node_modules\azure\node_modules\request\main.js:108 
     7 0.1% 2.7% Function: ~ClientRequest http.js:1254 
     6 0.1% 2.3% Stub: StringAddStub 
     5 0.1% 1.9% Stub: RegExpExecStub 
     5 0.1% 1.9% LazyCompile: *urlParse url.js:92 
     5 0.1% 1.9% LazyCompile: *match native string.js:182 
     5 0.1% 1.9% Function: ~XMLFragment.toString F:\approot\node_modules\azure\node_modules\xmlbuilder\lib\XMLFragment.js:287 
     4 0.1% 1.6% LazyCompile: stringify native json.js:307 
     4 0.1% 1.6% LazyCompile: *formatProperty util.js:338 
     4 0.1% 1.6% LazyCompile: *formatPrimitive util.js:289 
     4 0.1% 1.6% LazyCompile: *EventEmitter.emit events.js:54 
     4 0.1% 1.6% Function: ~store http.js:571 
     4 0.1% 1.6% CallMegamorphic: args_count: 1 
     3 0.0% 1.2% Stub: SubStringStub 
     3 0.0% 1.2% LazyCompile: IN native runtime.js:354 
     3 0.0% 1.2% LazyCompile: APPLY_PREPARE native runtime.js:438 
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     3 0.0% 1.2% LazyCompile: *FromPropertyDescriptor native v8natives.js:373 
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     2 0.0% 0.8% LazyCompile: *toLowerCase native string.js:739 
     2 0.0% 0.8% LazyCompile: *socketOnData http.js:1480 
     2 0.0% 0.8% LazyCompile: *slice native string.js:510 
     2 0.0% 0.8% LazyCompile: *indexOf native string.js:118 
     2 0.0% 0.8% LazyCompile: *exports.stringStartsWith F:\approot\node_modules\azure\lib\util\util.js:131 
     2 0.0% 0.8% LazyCompile: *XMLFragment F:\approot\node_modules\azure\node_modules\xmlbuilder\lib\XMLFragment.js:8 
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     2 0.0% 0.8% LazyCompile: *EventEmitter events.js:25 
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     2 0.0% 0.8% Function: ~Request.init F:\approot\node_modules\azure\node_modules\request\main.js:362 
     2 0.0% 0.8% Function: ~OutgoingMessage.end http.js:794 
     2 0.0% 0.8% Function: ~Logger.log F:\approot\node_modules\azure\lib\diagnostics\logger.js:68 
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     1 0.0% 0.4% Stub: ToBooleanStub_String 
     1 0.0% 0.4% Stub: ToBooleanStub 
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     1 0.0% 0.4% Stub: RecordWriteStub {1} 
     1 0.0% 0.4% Stub: RecordWriteStub 
     1 0.0% 0.4% Stub: NumberToStringStub 
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     1 0.0% 0.4% Stub: JSEntryStub 
     1 0.0% 0.4% Stub: InstanceofStub 
     1 0.0% 0.4% Stub: CallFunctionStub_Args0 
     1 0.0% 0.4% Stub: CallConstructStub_Recording 
     1 0.0% 0.4% Stub: CallConstructStub 
     1 0.0% 0.4% Stub: BinaryOpStub_ADD_OverwriteRight_BothStrings 
     1 0.0% 0.4% Stub: BinaryOpStub_ADD_OverwriteLeft_SMI 
     1 0.0% 0.4% Stub: BinaryOpStub_ADD_OverwriteLeft_BothStrings 
     1 0.0% 0.4% RegExp: [^A-Za-z0-9_-] 
     1 0.0% 0.4% RegExp: Date 
     1 0.0% 0.4% RegExp: (^"|"$) 
     1 0.0% 0.4% LazyCompile: toString native v8natives.js:223 
     1 0.0% 0.4% LazyCompile: Join native array.js:119 
     1 0.0% 0.4% LazyCompile: FILTER_KEY native runtime.js:398 
     1 0.0% 0.4% LazyCompile: *test native regexp.js:220 
     1 0.0% 0.4% LazyCompile: *startup.processNextTick.process.nextTick node.js:254 
     1 0.0% 0.4% LazyCompile: *startup.processNextTick.process._tickCallback node.js:233 
     1 0.0% 0.4% LazyCompile: *split native string.js:554 
     1 0.0% 0.4% LazyCompile: *replace native string.js:221 
     1 0.0% 0.4% LazyCompile: *onread net.js:377 
     1 0.0% 0.4% LazyCompile: *map native array.js:1190 
     1 0.0% 0.4% LazyCompile: *isRegExp util.js:427 
     1 0.0% 0.4% LazyCompile: *isArray native array.js:1463 
     1 0.0% 0.4% LazyCompile: *indexOf native array.js:1236 
     1 0.0% 0.4% LazyCompile: *freeParser http.js:1385 
     1 0.0% 0.4% LazyCompile: *forEach native array.js:1062 
     1 0.0% 0.4% LazyCompile: *copy F:\approot\node_modules\azure\node_modules\request\main.js:72 
     1 0.0% 0.4% LazyCompile: *afterConnect net.js:719 
     1 0.0% 0.4% LazyCompile: *insert F:\approot\server.js:1949 
     1 0.0% 0.4% LazyCompile: *UseSparseVariant native array.js:111 
     1 0.0% 0.4% LazyCompile: *TwoDigitString native date.js:213 
     1 0.0% 0.4% LazyCompile: *TableService.insertEntity F:\approot\node_modules\azure\lib\services\table\tableservice.js:500 
     1 0.0% 0.4% LazyCompile: *StringSplitOnRegExp native string.js:591 
     1 0.0% 0.4% LazyCompile: *Socket._write net.js:515 
     1 0.0% 0.4% LazyCompile: *Socket net.js:131 
     1 0.0% 0.4% LazyCompile: *ServiceClient.performRequest F:\approot\node_modules\azure\lib\services\core\serviceclient.js:161 
     1 0.0% 0.4% LazyCompile: *Request.end F:\approot\node_modules\azure\node_modules\request\main.js:952 
     1 0.0% 0.4% LazyCompile: *PropertyDescriptor native v8natives.js:482 
     1 0.0% 0.4% LazyCompile: *OutgoingMessage.write http.js:731 
     1 0.0% 0.4% LazyCompile: *CookieJar.get F:\approot\node_modules\azure\node_modules\request\vendor\cookie\jar.js:46 
     1 0.0% 0.4% LazyCompile: *AtomHandler._convertToAtomPropertyText F:\approot\node_modules\azure\lib\util\atomhandler.js:279 
     1 0.0% 0.4% LazyCompile: *Agent.addRequest http.js:1170 
     1 0.0% 0.4% LazyCompile: *$Array.configurable_ native v8natives.js:540 
     1 0.0% 0.4% Function: ~onanswer dns.js:116 
     1 0.0% 0.4% Function: ~forEach F:\approot\node_modules\lodash\dist\lodash.js:2325 
     1 0.0% 0.4% Function: ~exports.Parser.Parser.reset.saxParser.onopentag F:\approot\node_modules\azure\node_modules\xml2js\lib\xml2js.js:108 
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     1 0.0% 0.4% Function: ~Socket.connect net.js:651 
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     1 0.0% 0.4% Function: ~ServiceClient._performRequest.self._buildRequestOptions.operation F:\approot\node_modules\azure\lib\services\core\serviceclient.js:216 
     1 0.0% 0.4% Function: ~Request.write F:\approot\node_modules\azure\node_modules\request\main.js:948 
     1 0.0% 0.4% Function: ~Request.start.self.req.self.httpModule.request.response.on.self._ended F:\approot\node_modules\azure\node_modules\request\main.js:617 
     1 0.0% 0.4% Function: ~Request F:\approot\node_modules\azure\node_modules\request\main.js:84 
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     1 0.0% 0.4% CallNormal: args_count: 0 
     1 0.0% 0.4% CallMegamorphic: args_count: 2 
     1 0.0% 0.4% Builtin: A builtin from the snapshot {5} 
     1 0.0% 0.4% Builtin: A builtin from the snapshot {4} 
     1 0.0% 0.4% Builtin: A builtin from the snapshot 

[C++]: 
    ticks total nonlib name 

[GC]: 
    ticks total nonlib name 
    268 3.5% 

[Bottom up (heavy) profile]: 
    Note: percentage shows a share of a particular caller in the total 
    amount of its parent calls. 
    Callers occupying less than 2.0% are not shown. 

    ticks parent name 
    4003 52.0% D:\Windows\SYSTEM32\ntdll.dll 
    97 2.4% LazyCompile: *connect net.js:614 
    97 100.0%  Function: ~Socket.connect net.js:687 
    97 100.0%  Function: ~asyncCallback dns.js:65 
    97 100.0%   Function: ~onanswer dns.js:116 

    3347 43.5% F:\approot\node.exe 
    533 15.9% Function: exports.Parser.Parser.parseString F:\approot\node_modules\azure\node_modules\xml2js\lib\xml2js.js:205 
    533 100.0%  Function: ~__bind F:\approot\node_modules\azure\node_modules\xml2js\lib\xml2js.js:6 
    533 100.0%  Function: ServiceClient._parseResponse F:\approot\node_modules\azure\lib\services\core\serviceclient.js:499 
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    516 100.0%   Function: ~ServiceClient._performRequest.self._buildRequestOptions.processResponseCallback F:\approot\node_modules\azure\lib\services\core\serviceclient.js:219 
    17 3.2%   Function: ~ServiceClient._processResponse F:\approot\node_modules\azure\lib\services\core\serviceclient.js:307 
    17 100.0%   Function: ~ServiceClient._performRequest.self._buildRequestOptions.processResponseCallback F:\approot\node_modules\azure\lib\services\core\serviceclient.js:219 
    258 7.7% LazyCompile: *socketOnData http.js:1480 
    172 66.7%  LazyCompile: *onread net.js:377 
     7 2.7%  Function: ~onread net.js:377 
    196 5.9% LazyCompile: *is F:\approot\node_modules\azure\node_modules\xml2js\node_modules\sax\lib\sax.js:275 
    196 100.0%  Function: write F:\approot\node_modules\azure\node_modules\xml2js\node_modules\sax\lib\sax.js:883 
    196 100.0%  Function: exports.Parser.Parser.parseString F:\approot\node_modules\azure\node_modules\xml2js\lib\xml2js.js:205 
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    196 100.0%   Function: ServiceClient._parseResponse F:\approot\node_modules\azure\lib\services\core\serviceclient.js:499 
    161 4.8% Function: write F:\approot\node_modules\azure\node_modules\xml2js\node_modules\sax\lib\sax.js:883 
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    90 2.7% Function: ~ClientRequest.onSocket http.js:1617 
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    23 27.1%  Function: ~Socket._destroy.destroyed net.js:357 
    23 100.0%  LazyCompile: *startup.processNextTick.process._tickCallback node.js:233 
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     2 100.0%   LazyCompile: *Agent.addRequest http.js:1170 
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     2 100.0%   LazyCompile: *EventEmitter.emit events.js:54 
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    44 59.5%  LazyCompile: *formatPrimitive util.js:289 
    29 65.9%  LazyCompile: *formatValue util.js:189 
    29 100.0%   LazyCompile: *formatProperty util.js:338 
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    15 34.1%  Function: formatValue util.js:189 
    15 100.0%   LazyCompile: *formatProperty util.js:338 
    15 100.0%   Function: <anonymous> util.js:278 
    26 35.1%  LazyCompile: *formatProperty util.js:338 
    26 100.0%  Function: <anonymous> util.js:278 
    26 100.0%   LazyCompile: *map native array.js:1190 
    16 61.5%   LazyCompile: *formatValue util.js:189 
    10 38.5%   Function: formatValue util.js:189 
     3 4.1%  LazyCompile: *Agent.createSocket http.js:1189 
     3 100.0%  LazyCompile: *Agent.addRequest http.js:1170 
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(? 오른쪽) - 하지만 왜 그 함수는 상향식 테이블에만 나열됩니까?

왜 ntdll에서 시간을 보냈습니까? 이 Node.js를 자체 또는 함께, 푸른-SDK-에 대한 노드에 문제가

가 내 기대가 너무 높다?

Answer 1

여기에서 기본 답변을 작성하겠습니다. 모든 CPU 작업이 JSON로/XML을 직렬화에서 네트워크 수준 &에서처럼

는 것 같습니다. 의견에서 당신은 .NET에서 2-4 배 성능을 향상시키는 것에 대해 언급합니다. 이 Node.js를 자체 또는 함께, 푸른-SDK-에 대한 노드에 문제가

가 내 기대가 너무 높다?

나는 두 부분에 대한 대답은 '예라고 생각합니다. 뭔가 순수하게 CPU 바인딩에서

는 Windows에서 .NET은 Windows에서 Node.js를 이길 것입니다. 여기선 실제 컨테스트가 아닙니다. 언급

, 그것은 모두 azure-sdk-for-node과 Node.js를 자체 내에서 일부 성능 병목 현상이 있음도 꽤 가능성이 있습니다. 이 자료의 대부분은 1 년 미만 동안 있었고 node.js는 주로 Windows 용이 아닌 &으로 조정되었습니다.

리눅스 박스 (에서 Azure에서 호스트 할 수 있음)를 테스트하여 성능이 향상되는지 확인하는 것이 좋습니다. 또한 Node를 처리하는 team @ MS와 자신의 물건을 공유하는 것이 좋습니다.