Return-Path: X-Original-To: apmail-cassandra-dev-archive@www.apache.org Delivered-To: apmail-cassandra-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id A21979C17 for ; Wed, 16 Nov 2011 08:30:29 +0000 (UTC) Received: (qmail 40029 invoked by uid 500); 16 Nov 2011 08:30:28 -0000 Delivered-To: apmail-cassandra-dev-archive@cassandra.apache.org Received: (qmail 39989 invoked by uid 500); 16 Nov 2011 08:30:28 -0000 Mailing-List: contact dev-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list dev@cassandra.apache.org Received: (qmail 39981 invoked by uid 99); 16 Nov 2011 08:30:27 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Nov 2011 08:30:27 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of schumi.han@gmail.com designates 209.85.213.44 as permitted sender) Received: from [209.85.213.44] (HELO mail-yw0-f44.google.com) (209.85.213.44) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Nov 2011 08:30:19 +0000 Received: by ywt34 with SMTP id 34so7544189ywt.31 for ; Wed, 16 Nov 2011 00:29:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=Vl0ysSedajVS8gIICwYZGIefpSMf1nZ0d6IiC58Qhe8=; b=JNKyAirmwDh2NXs18L4mI1unR8igAZ6CPfJ98jCJaRlTd7zh4JwYVgEcnjRx3eu8eO XRLgWxF0kCgAwIVL4h5Ec5geI9ZG02W5xAps4014Hiem4p+ryVP9B70HhO7cCpsHZa4G I1amuGBcftfbscB+/vj3PrcNmWTYkHpSSFlMg= MIME-Version: 1.0 Received: by 10.101.141.14 with SMTP id t14mr3878861ann.36.1321432198904; Wed, 16 Nov 2011 00:29:58 -0800 (PST) Received: by 10.236.203.10 with HTTP; Wed, 16 Nov 2011 00:29:58 -0800 (PST) In-Reply-To: References: Date: Wed, 16 Nov 2011 16:29:58 +0800 Message-ID: Subject: Re: How is Cassandra being used? From: Zhu Han To: dev@cassandra.apache.org Content-Type: multipart/alternative; boundary=0016e68e9a2ccf7d5704b1d5e82d X-Virus-Checked: Checked by ClamAV on apache.org --0016e68e9a2ccf7d5704b1d5e82d Content-Type: text/plain; charset=ISO-8859-1 On Wed, Nov 16, 2011 at 3:03 PM, Norman Maurer wrote: > 2011/11/16 Jonathan Ellis : > > I started a "users survey" thread over on the users list (replies are > > still trickling in), but as useful as that is, I'd like to get > > feedback that is more quantitative and with a broader base. This will > > let us prioritize our development efforts to better address what > > people are actually using it for, with less guesswork. For instance: > > we put a lot of effort into compression for 1.0.0; if it turned out > > that only 1% of 1.0.x users actually enable compression, then it means > > that we should spend less effort fine-tuning that moving forward, and > > use the energy elsewhere. > > > > (Of course it could also mean that we did a terrible job getting the > > word out about new features and explaining how to use them, but either > > way, it would be good to know!) > > > > I propose adding a basic cluster reporting feature to cassandra.yaml, > > enabled by default. It would send anonymous information about your > > cluster to an apache.org VM. Information like, number (but not names) > > of keyspaces and columnfamilies, ks-level options like compression, cf > > options like compaction strategy, data types (again, not names) of > > columns, average row size (or better: the histogram data), and average > > sstables per read. > > > > Thoughts? > -1. It may scare some admins who stores sensitive data in cassandra. Even if it can disabled, we can not sleep well in the night when we know the door can be opened unintentionally... > Hi there, > > I'm not a cassandra dev but an user of it. I would really "hate" to > see such code in the cassandra code-base. I understand that it would > be kind of useful to get a better feeling about usage etc, but its > really something that scares the shit out of many managers (and even > devs ;) ). > > So -1 to add this code (*non-binding) > > Bye, > Norman > --0016e68e9a2ccf7d5704b1d5e82d--