From users-return-6913-archive-asf-public=cust-asf.ponee.io@trafficserver.apache.org Mon Jan 8 05:13:58 2018 Return-Path: X-Original-To: archive-asf-public@eu.ponee.io Delivered-To: archive-asf-public@eu.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by mx-eu-01.ponee.io (Postfix) with ESMTP id D0901180654 for ; Mon, 8 Jan 2018 05:13:58 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id C091B160C3D; Mon, 8 Jan 2018 04:13:58 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 0EEC9160C2A for ; Mon, 8 Jan 2018 05:13:57 +0100 (CET) Received: (qmail 63907 invoked by uid 500); 8 Jan 2018 04:13:56 -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 63897 invoked by uid 99); 8 Jan 2018 04:13:56 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 08 Jan 2018 04:13:56 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 46D421A0454 for ; Mon, 8 Jan 2018 04:13:55 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 0.129 X-Spam-Level: X-Spam-Status: No, score=0.129 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd2-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id fKdYUDbTlpZD for ; Mon, 8 Jan 2018 04:13:53 +0000 (UTC) Received: from mail-wm0-f54.google.com (mail-wm0-f54.google.com [74.125.82.54]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id EE1625F1BA for ; Mon, 8 Jan 2018 04:13:52 +0000 (UTC) Received: by mail-wm0-f54.google.com with SMTP id a79so11793859wma.0 for ; Sun, 07 Jan 2018 20:13:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=tTjhvbe7CfIIdgwhgKgoo/V+fwj59g5iA6fCBMqkdUk=; b=AR5KLgLth+g/WDIm9HeB/s7mttgjnCGYK+GW2INXoezD3BSMYLUqdcssOuuQ6NuPEg N8hvIXkZk0tEpizlFv65OEnFcorg+EdVDBue2Na1MJBBH2oOxYplSJbbxSZ7H1Ilzl+z Fvs7+Q/uBSPlQ+Mk7Q6g8ASSxhP+37irD5crOYR2twpvZOLO6tv1zkuxCUEDJw2IKKcr NRAq539UM/6POXuxL628s4Skf5oWSt6KFwjv0oOpZ+tW43ntsMp6NeQR1XjaKZI/+LM6 RijXg3HzcfqYeyNMxtZrdwkcC69svUzCE/WsQYpXwdP1lk+kpT/gh+QsDy+UpnT2YZvD g7Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=tTjhvbe7CfIIdgwhgKgoo/V+fwj59g5iA6fCBMqkdUk=; b=gY7E5NkIm4mFTEMUuIJrWteTNcKwOESTZbiC68u+WsFkGb2b5Ir03hRjOBb+fmb3R7 C8OpupU7b1Pnxh+6BpyDf0Y/9PBNzJjbZ2RK35FRbQmLc5ljIsWYlDpQUy6nDSN5AKoT 3yrScyT/We0JfDXNebChVuLuvOyKjsRxAoXzfYSaBrv4CrJ0D8oUxSdaK6R557Vr6Qac bxxx8FK3XYUmnTiK1P2Su3qoclSD0bZjT/CbhU6xLiPAHSiOX68a2dNIz72uHfRYWPJT DNZ2p7VxCjy4cEruUpY2zhNQtnHPjpCB9gqyz/bckrq/vpwT7f9uvqYnlQLgJfnQDmA2 FbBg== X-Gm-Message-State: AKGB3mJ/rNlCXpKHL7No4crOvOUxb/T3jrLBvWeEZgmY4xyiMH9N1J4i dOrIpg5wQQP8clQt3ta1HDhLrxoDLGKv3+SHtok= X-Google-Smtp-Source: ACJfBouW3IW/fCyWhAjWsKwleCxWyqQYNXq2dOffaV3CP7ijbOSjt5DqR/H/HbGpZINnT/uAvSKch0tC3o4rNrBvBik= X-Received: by 10.80.240.213 with SMTP id a21mr14965911edm.252.1515384826303; Sun, 07 Jan 2018 20:13:46 -0800 (PST) MIME-Version: 1.0 Received: by 10.80.219.2 with HTTP; Sun, 7 Jan 2018 20:13:46 -0800 (PST) In-Reply-To: References: From: Jeremy Payne Date: Sun, 7 Jan 2018 22:13:46 -0600 Message-ID: Subject: Re: child always re-validates object fetched from parent To: users@trafficserver.apache.org Content-Type: text/plain; charset="UTF-8" Can you post the complete records.config from your child cache ? If I had to guess, it looks like heurstics or fuzzytimer may be set too low ??? But if you provide a company sanitized version of your records.config that should give us a better understanding of your setup. On Wed, Jan 3, 2018 at 6:10 PM, Patrick O'Brien wrote: > Hello, > > I am testing out hierarchical caching in ATS 7.1.1. Everything seems > to work, although it looks like the child node is always needing to > revalidate objects fetched from the parent node. Here are the headers > on an example GET: > https://gist.github.com/poblahblahblah/928aaa88c24ef3c05366433a514f1a28 > > The parent has the object stored in RAM and doesn't require > validation, but the child thinks the response is stale. Here is the > cache.config file on both the parent and the child: > https://gist.github.com/poblahblahblah/36b54ac8b7d75071c1342da6694d3c51 > > The problem with this is that the connection between the child and > parent is pretty flaky and when the parent is down we are met with a > 502: https://gist.github.com/poblahblahblah/d50657354c815040faae50539fa45836 > > Here is the parent.config on the child: > https://gist.github.com/poblahblahblah/9f1dcb4cf674c21c80a27173bd0ef81b > > Relevant configs from records.config for the parent: > https://gist.github.com/poblahblahblah/e6ac573e9f9cd63088c2e06e6544d801 > Relevant configs from records.config for the child: > https://gist.github.com/poblahblahblah/5a6dc02a88b24cafca0e8c70d353b92e > > Any guidance on this would be much appreciated. > > -patrick