Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id A417618540 for ; Thu, 10 Sep 2015 16:56:16 +0000 (UTC) Received: (qmail 23286 invoked by uid 500); 10 Sep 2015 16:56:11 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 23175 invoked by uid 500); 10 Sep 2015 16:56:11 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 23165 invoked by uid 99); 10 Sep 2015 16:56:11 -0000 Received: from Unknown (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 10 Sep 2015 16:56:11 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 0126DE56E8 for ; Thu, 10 Sep 2015 16:56:11 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-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_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd1-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=googlemail.com Received: from mx1-eu-west.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id eh8Iib1DP2SV for ; Thu, 10 Sep 2015 16:56:10 +0000 (UTC) Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com [209.85.212.181]) by mx1-eu-west.apache.org (ASF Mail Server at mx1-eu-west.apache.org) with ESMTPS id DE4E320CCD for ; Thu, 10 Sep 2015 16:56:09 +0000 (UTC) Received: by wiclk2 with SMTP id lk2so35780282wic.0 for ; Thu, 10 Sep 2015 09:56:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-type:content-transfer-encoding; bh=5kFZ7lRqwhu8aCtTV/s8+50SVrc4MZwMxLmKX1Ex0hU=; b=a3fs7C6F6AMRERg/g/s6VMzY/pBOpsKSeZfiMTsglnZyS6QcdifDtKQvq7N+s6tgJv wBZkjha2yi2uMFJfvcBig+ffOep3pvWYtyzg40t1CaqGg1czXj8Br6RKE4vky2Pbype3 WdCmldc3+QGbASbrCxtaAGHoIx2GeJy/UUTU5ZtEUQ7jPECWHUi/4NO4GMSzVBhbkW6p H0nl1ZXfTrctXhppBZYk9AeDchVuBthFNkOL1JfQb195CRjK6uzLegYGZpfXW/BI0Rld kfPwRoIQN7erZaPvnRbvDKscMNgibPvelMuv0kO3djha8rGWU5rD+Jfx7uPuUhiRtuIX l4SA== X-Received: by 10.194.122.162 with SMTP id lt2mr48632022wjb.46.1441904169647; Thu, 10 Sep 2015 09:56:09 -0700 (PDT) Received: from [192.168.1.2] (aftr-109-90-233-88.unity-media.net. [109.90.233.88]) by smtp.gmail.com with ESMTPSA id us6sm6233015wjc.35.2015.09.10.09.56.08 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Sep 2015 09:56:08 -0700 (PDT) Subject: Avro C++ without schema generation To: user@hadoop.apache.org References: <5DF46802-2E5A-4E25-865C-B990F696FAAF@hortonworks.com> <0B4576AA-DE35-49EC-B97A-14B2FFC289E1@hortonworks.com> From: Marius Message-ID: <55F1B629.5030702@googlemail.com> Date: Thu, 10 Sep 2015 18:56:09 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <0B4576AA-DE35-49EC-B97A-14B2FFC289E1@hortonworks.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hey, i have avro files that as of yet are only used with Python to decode and encode. To do some performance evaluations i want to use the C++ implementation of avro to read the files but the use case does not allow the schema to be around so i cant perform code generation. Is there any way to do read the data from the file without code generation? Greetings Marius