OpenTSDBでチャンクされたリクエストとは何ですか？

Question

Qt4を使用して、チャンクされたHTTP要求をサポートしていないOpenTSDBサーバーにデータポイントを投稿しています。

コードは基本的に、このです：

QNetworkRequest request(m_url); 
request.setHeader(QNetworkRequest::ContentTypeHeader, QString("application/json")); 
request.setHeader(QNetworkRequest::ContentLengthHeader, jsonRequest.toAscii().size()); 
m_networkAccessManager.post(request, jsonRequest.toAscii()); 

jsonRequestは、データ点を含むQStringのです。このコードは、時々サーバーからデータをアップロードするために呼び出され、通常は正常に動作します。ただし、openTSDBから「チャンク要求がサポートされていません」というエラーが表示されることがあります。 これは、要求が少し大きくなったときに発生すると思われます（大きくすると、いくつかのKBのデータを意味します）。

編集： 問題が発生した場合、私は、要求のtcpdumpのをやったし、実際にそれがチャンクされるように見られていません：

POST /api/put HTTP/1.1 
Content-Type: application/json 
Content-Length: 14073 
Connection: Keep-Alive 
Accept-Encoding: gzip 
Accept-Language: en,* 
User-Agent: Mozilla/5.0 
Host: 192.168.xx.xxx:xxxx 

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400 Bad Request 
Content-Length: 1080 
Content-Type: text/html; charset=UTF-8 
Date: Thu, 08 Jan 2015 17:18:43 GMT 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv=content-type content="text/html;charset=utf-8"><title>Bad Request</title> 
<style><!-- 
body{font-family:arial,sans-serif;margin-left:2em}A.l:link{color:#6f6f6f}A.u:link{color:green}.subg{background-color:#e2f4f7}.fwf{font-family:monospace;white-space:pre-wrap}//--></style></head> 
<body text=#000000 bgcolor=#ffffff><table border=0 cellpadding=2 cellspacing=0 width=100%><tr><td rowspan=3 width=1% nowrap><b><font color=#c71a32 size=10>T</font><font color=#00a189 size=10>S</font><font color=#1a65b7 size=10>D</font>&nbsp;&nbsp;</b><td>&nbsp;</td></tr><tr><td class=subg><font color=#507e9b><b>Looks like it's your fault this time</b></td></tr><tr><td>&nbsp;</td></tr></table><blockquote><h1>Bad Request</h1>Sorry but your request was rejected as being invalid.<br/><br/>The reason provided was:<blockquote>Chunked request not supported.</blockquote></blockquote><table width=100% cellpadding=0 cellspacing=0><tr><td class=subg><img alt="" width=1 height=6></td></tr></table></body></html> 

私はQtはチャンクを使用するように変更して考えていましたリクエストが大きくなったときにリクエストしますが、そうではありません。現在の質問は、openTSDBでチャンクされたリクエストは何ですか？

Answer 1

私の要求がチャンクされていると思う理由がついに見つかった：OpenTSDBは内部的にネットワークにNettyを使用し、Nettyが完全な要求を含んでいないブロックを読み込むと、リクエストのTransfer-Encodingヘッダー。

このため2つの解決策があります。

• それは、チャンク要求を拒否しないように、設定ファイルを「true = tsd.http.request.enable_chunked」を追加し、「tsd.httpを追加することが.request.max_chunk = "設定ファイルに、そしてあなたの要求のための賢明なサイズに設定する
• あなたは、クライアントを変更することができた場合は、送信するためにそれを強制小さな要求が

に注意してくださいそのためのチャンクの要求を有効にしますパブリックに直面しているサーバーは良い考えではないかもしれません。有害なクライアントは無制限の要求を送信してサーバーをオーバーロードすることができます。

クレジットのIRCチャンネル#opentsdb@freenode.net