From users-return-8160-archive-asf-public=cust-asf.ponee.io@trafficserver.apache.org Tue Jun 23 16:35:00 2020 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id AD5311804BB for ; Tue, 23 Jun 2020 18:34:59 +0200 (CEST) Received: (qmail 50320 invoked by uid 500); 23 Jun 2020 16:34:58 -0000 Mailing-List: contact users-help@trafficserver.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@trafficserver.apache.org Delivered-To: mailing list users@trafficserver.apache.org Received: (qmail 50310 invoked by uid 99); 23 Jun 2020 16:34:58 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 23 Jun 2020 16:34:58 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id CA76A181448 for ; Tue, 23 Jun 2020 16:34:57 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -0.001 X-Spam-Level: X-Spam-Status: No, score=-0.001 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=yahoo.com Received: from mx1-ec2-va.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id IStkPjF7XSL0 for ; Tue, 23 Jun 2020 16:34:55 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=66.163.190.146; helo=sonic315-20.consmr.mail.ne1.yahoo.com; envelope-from=sudheervinukonda@yahoo.com; receiver= Received: from sonic315-20.consmr.mail.ne1.yahoo.com (sonic315-20.consmr.mail.ne1.yahoo.com [66.163.190.146]) by mx1-ec2-va.apache.org (ASF Mail Server at mx1-ec2-va.apache.org) with ESMTPS id 3F9D1BB8F0 for ; Tue, 23 Jun 2020 16:34:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1592930089; bh=KnQ4xsDBAQd18O7FZOKplgag4Tw67I7lf/aog9CZ0iA=; h=Date:From:To:In-Reply-To:References:Subject:From:Subject; b=fP8DC1WvJhhJjZam2kvamJDxwsc3by33IeSXSpQa/esPM3LS0ZQkNGU2/U6BX2/HadM1Bnoy+b+4LHF4/FcxJtgTQtrx61Toi3ARl2kvhccIqrddmRpY+bX1hCfapfSiqpilT40xU+8xeiFNTNuGfOhyusTJzfm6G31ZoC0nMV9D9nObsi7YVUsLHfjPmuu1+0aIk+FExLXnWvdnAQSjIu8jBebTLkaTtdcMtXSMFludalj+iv3i+x5cPVnea6CchJ5zyk+k7EmbVujb01LdFxdfzwiShoGeYHECDWuejyukt5yfXjqE32UcKWSbK4K8CYrwEdZti6rhRFO1qX94ww== X-YMail-OSG: FCrSRB0VM1mcTceBS6k99RKtLK7aEUVbTzY8zMozm8KBKmzdmsDVPM.owosOEzU y30l9eJ3ioZomvCAGZ3xm3XbCZ7WEEDiA8tIqxaPJBSRtKom8TELR4aIci_dAeiEEuja2XrgQ25J TAUUa4g3rupSl.rs.3X3k8zAfhst9cEsNI0M7FhCAlsx6bJkTWD4VaNqhdpnKeTOF9G6yPDBqRxj tHOP1RAMO2t1p5rckdb8MPhycX7LgwIC2az6t8niCOJNOQ2lZjfKXT8pm6REurJ2bAA5H__v6Ps9 DN_QRd1hkJ6eyaSyyR4nirYgKIyjLeihxcOeydm2s7Cry9Fx4BsnlS5d8upOBfuvzuT3jTGp5D8m yNaLvqaJmDZ3IyLiteg5VrVxFGgigr9NVONndy0LQ6cwhxMurxFn5nSPGT1dzs.pSyy.YO0Vf2Pf jElf0A7h_crCYscCghvNC6xlrCcOklN6vGopwloQKcxTQevzPBIR8zU.1gbn7gb8LJglPyjib1hE FewmFcxrdfCuZVqW2UhZiPFVIHoS6oSVK3oXNsIWrXWSlH.w.DResnlqqSEso6Q2t7MzwZ607Ehw lGgtboktdRQmkPWdlx0rvWuBeGUPlH.H9V7Wv.e8Rf9tWZrtD3X2e11ruDzn.tJKP5JHaNGp9YJI CpUa4sQCw4FjIkJx5Y7nW6VOsuRiT6IBFKH8l25mpt0RFHtAqMbSNFnxeSW5YFAjvxd2RZ7EXMHM 38B9XQmUYTbi0E9fRRi2qESdZv7FdwTp7MbZ.kGgudBqDjYbb0sS1EddpftFdzEFQd9_c9gzxmn5 vQ1NS9d8Eo7CkhQLsxqYapK7SzI0haqVHHHUY.le6i8V8zK.w74bbuBSzl6AkqaT3S7mVJjnG4EH LdA2D3sKP1LjQXxti3AWnKLv5ckXyBcw50SF4UUsigzBE9aCcx9PauJYS2AMa74a67H5oTh6PRYf tbCzegzPvbWvxW.d8xktf9LVRX_a005ZIV3OvY6f8yibPkjWiuo7wDQfLn6K8EFUvloEe0gcH18v DkaUhCbUUKMOBfH1kqWPgV.ArnNlVSdOJiIY0oWpsld7lqtlGEyJHdKcjvBnm19BDn83nXltJPSR ke2w_zv7s9MqPn.VkCCaDemyLyHgkahohGYoB.utW9WKRJ02ZXJQCpfGa4Hk2troRdRUGR_JfIQm 9cDxPcKWiHMyG9KnZefBquZ5sbq1fmY30ciT59Zz59UgH55Im2q.trsgCCiUXAmUmS69JQUFHuhN 4necQwJbYcCdlh3jsfxT15Umzudd2es2L_LOo_jXeI6RTfZbb7nCc_Y3cP9.8T7nYmjDHLo3qxpz cgYrm1zPexJKGpIcbnrPHoO98IqfGzzUHcRz9K9fLWxgRC7Y4W5GkOmQkqboe4m_aDCbBMmBHUbg skPGZA4j9BB3pjUIwlH5JJ5Af7kU5UY5_wH9MeCg- Received: from sonic.gate.mail.ne1.yahoo.com by sonic315.consmr.mail.ne1.yahoo.com with HTTP; Tue, 23 Jun 2020 16:34:49 +0000 Date: Tue, 23 Jun 2020 16:34:48 +0000 (UTC) From: Sudheer Vinukonda To: users@trafficserver.apache.org Message-ID: <2095731766.2486915.1592930088516@mail.yahoo.com> In-Reply-To: <1592824979896-0.post@n7.nabble.com> References: <1592485048591-0.post@n7.nabble.com> <3A3B9C72-AD26-436A-AD51-A9D4B2E0ECAE@yahoo.com> <1592561092609-0.post@n7.nabble.com> <691041286.859481.1592591105276@mail.yahoo.com> <1592824979896-0.post@n7.nabble.com> Subject: Re: collapsed forwarding still leaking to origin MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_2486914_991797052.1592930088514" X-Mailer: WebService/1.1.16138 YMailNorrin Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36 ------=_Part_2486914_991797052.1592930088514 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hmm, if you've background fill enabled and tuned correctly for RWW, the cl= ient abort should not impact the Origin fetch.=C2=A0 https://docs.trafficserver.apache.org/en/7.1.x/admin-guide/configuration/ca= che-basics.en.html#admin-config-read-while-writer However, if the Origin is completely broken or if background fill isn't ena= bled, then all the waiting client requests will result in being proxied to = the Origin (treated as a cache miss).=C2=A0 Is that what you are noticing? On Monday, June 22, 2020, 04:23:16 AM PDT, ezko wrote: =20 =20 Hi Sudheer , we ran some more tests and actually found 2 leaks that were for a ~100 Kb segment. it's a strange scenario. for these segments we never saw a crc equaling Cache Miss , instead the first crc was=C2=A0 ERR_CLIENT_READ_ERROR. So it seems like the first client to get the write lock aborted due to network problems.=20 What is the expected behavior in this case ? From the logs it seems that afterwards all clients were redirected to the origin (not proxied) For each client we saw 2 log entries , a 303 with ERR_CONNECT_FAIL and a 30= 3 with TCP_MISS_REDIRECT Thanks, Erez -- Sent from: http://apache-traffic-server.24303.n7.nabble.com/ =20 ------=_Part_2486914_991797052.1592930088514 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hmm, if you've background fi= ll enabled and tuned correctly for RWW, the client abort should not impact = the Origin fetch. 


However, i= f the Origin is completely broken or if background fill isn't enabled, then= all the waiting client requests will result in being proxied to the Origin= (treated as a cache miss). 

Is that what you ar= e noticing?


=
=20
=20
On Monday, June 22, 2020, 04:23:16 AM PDT, ezko <ere= z.koler@harmonicinc.com> wrote:


Hi Sudheer ,
we ran= some more tests and actually found 2 leaks that were for a ~100 Kb
segment.
it's a strange scenario. for these se= gments we never saw a crc equaling
Cache Miss , instead t= he first crc was  ERR_CLIENT_READ_ERROR.
So it seems= like the first client to get the write lock aborted due to
network problems.
What is the expected behavior in th= is case ?
From the logs it seems that afterwards all clie= nts were redirected to the
origin (not proxied)
For each client we saw 2 log entries , a 303 with ERR_CONNECT_FAI= L and a 303
with TCP_MISS_REDIRECT
------=_Part_2486914_991797052.1592930088514--