Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 40730 invoked from network); 19 Oct 2010 08:10:00 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 19 Oct 2010 08:10:00 -0000 Received: (qmail 46038 invoked by uid 500); 19 Oct 2010 08:09:58 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 45800 invoked by uid 500); 19 Oct 2010 08:09:56 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 45792 invoked by uid 99); 19 Oct 2010 08:09:55 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 19 Oct 2010 08:09:55 +0000 X-ASF-Spam-Status: No, hits=2.9 required=10.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,HK_RANDOM_ENVFROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of teddyyyy123@gmail.com designates 209.85.214.172 as permitted sender) Received: from [209.85.214.172] (HELO mail-iw0-f172.google.com) (209.85.214.172) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 19 Oct 2010 08:09:48 +0000 Received: by iwn10 with SMTP id 10so2460209iwn.31 for ; Tue, 19 Oct 2010 01:09:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=i8u+CUmf6ggXu22Wn+OwF+gYLTSxU/YmBDjt63CD6UY=; b=VPuvPp3t8QVb2bKiIuxFybCgd3PJhsHPvLTzNmS3dJXIc8mYeShTGB4Fn7ZswQ6np9 pjX1rtc68rE6RvkLS1vQPq3fPbDicpoTvzmgHniFIoGbbG49LatKOyp8wrOIwSZhjGj5 7tX6oHnZT/bYUGDiXRVJI3/Z/1UDHIT+zxrC8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=lU7mlfF9ze/LJIBIRm31i/qKtc9rfXe/omnXP6B9mwQkN9H7XU8lFZpQYne2/rX6lN 3BRTUVnDM7WNlUSdtFnMFrIsAfLbzhQHxfWk8HSSSmrJ29mSwH6ypWI/Io4qqVlc3QED QHA7mQCCpLSYHpp6EWjgoACy4vOp8AQhUUhUE= MIME-Version: 1.0 Received: by 10.231.15.8 with SMTP id i8mr4435746iba.12.1287475766770; Tue, 19 Oct 2010 01:09:26 -0700 (PDT) Received: by 10.231.35.77 with HTTP; Tue, 19 Oct 2010 01:09:26 -0700 (PDT) Date: Tue, 19 Oct 2010 01:09:26 -0700 Message-ID: Subject: Cassandra + Zookeeper, what is the current state? From: Yang To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org I read from the Facebook cassandra paper that zookeeper "is used ....." for certain things ( membership and Rack-aware placement) but I pulled 0.7.0-beta2 source and couldn't grep out anything with "Zk" or "Zoo", nor any files with "Zk/Zoo" in the names is Zookeeper really used? docs/blog posts from online search kind of give conflicting answers Thanks Yang