Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 7973 invoked from network); 5 May 2010 04:14:43 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 5 May 2010 04:14:43 -0000 Received: (qmail 83644 invoked by uid 500); 5 May 2010 04:14:42 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 83622 invoked by uid 500); 5 May 2010 04:14:42 -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 83614 invoked by uid 99); 5 May 2010 04:14:42 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 05 May 2010 04:14:42 +0000 X-ASF-Spam-Status: No, hits=-0.2 required=10.0 tests=AWL,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 74.125.82.44 as permitted sender) Received: from [74.125.82.44] (HELO mail-ww0-f44.google.com) (74.125.82.44) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 05 May 2010 04:14:37 +0000 Received: by wwi18 with SMTP id 18so1672575wwi.31 for ; Tue, 04 May 2010 21:14:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:content-type; bh=U1Ljbu5JKiHIrtykn4LLwRa2XFOJwRCC5aCgYRkPSl0=; b=VFF8lghTyNzxfL9XJp6TsZfFwIyPYYHX4tmm2Ymd+NUNZaFKltjyAaXIBu85OzFxJD us+urYu6HzxQhi9ElNVRbeKFoqhtQYI7s9DBx+3e7Fbk5N0FKECEwdI3+mvd4VVyTWrC EIZ8u6TaAdaytMo7tye3aLcKvErCLQ+0f1Tt0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=buWGHod3isO7ncdop/w2jh/J3MgvzG04X8C3RLJiepUyz6Nl/OXyEyj01i3PJYvwLl rXSMImYZoicyKWCkzFt6492JCjPKN5WkXL4jc56ecnNf8MOuckPgKLsl9J/vlNOmXb5Q 0xgbov9gCs+DVoxSVPSQ2yNzeX602NjyCD8lU= Received: by 10.216.169.199 with SMTP id n49mr3064621wel.42.1273032856140; Tue, 04 May 2010 21:14:16 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.22.10 with HTTP; Tue, 4 May 2010 21:13:56 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Tue, 4 May 2010 23:13:56 -0500 Message-ID: Subject: Re: Cassandra Streaming Service To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 The Streaming service is what moves data around for load balancing, bootstrap, and decommission operations. On Tue, May 4, 2010 at 8:08 PM, Weijun Li wrote: > A dumb question: what is the use of Cassandra streaming service? Any use > case or example? > > Thanks, > -Weijun > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com