Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 10363 invoked from network); 10 Feb 2011 22:03:53 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 10 Feb 2011 22:03:53 -0000 Received: (qmail 70989 invoked by uid 500); 10 Feb 2011 22:03:50 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 70908 invoked by uid 500); 10 Feb 2011 22:03:50 -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 70900 invoked by uid 99); 10 Feb 2011 22:03:49 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 10 Feb 2011 22:03:49 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of nick.santini@kaseya.com designates 209.85.213.172 as permitted sender) Received: from [209.85.213.172] (HELO mail-yx0-f172.google.com) (209.85.213.172) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 10 Feb 2011 22:03:42 +0000 Received: by yxt33 with SMTP id 33so896354yxt.31 for ; Thu, 10 Feb 2011 14:03:21 -0800 (PST) Received: by 10.90.83.9 with SMTP id g9mr3297015agb.0.1297375400666; Thu, 10 Feb 2011 14:03:20 -0800 (PST) MIME-Version: 1.0 Received: by 10.90.12.20 with HTTP; Thu, 10 Feb 2011 14:03:00 -0800 (PST) From: Nick Santini Date: Fri, 11 Feb 2011 11:03:00 +1300 Message-ID: Subject: Limit on amount of CFs To: user Content-Type: multipart/alternative; boundary=0016e6509bd6e5a758049bf4bf74 --0016e6509bd6e5a758049bf4bf74 Content-Type: text/plain; charset=ISO-8859-1 Hi, Reading in the documentation (specially on the tuning section) is clear the the number of Column Families affects the performance, in particular the amount of memory assigned to the heap. My question is: What's the hard limit on the number of CFs? Does anybody implemented an application with large number of CFs? if so, whats that number? Thanks Nicolas Santini --0016e6509bd6e5a758049bf4bf74 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi,
Reading in the documentation (specially on the tuning se= ction) is clear the the number of Column Families affects the performance, = in particular the amount of memory assigned to the heap.

My question is: What's the hard limit on the number of CFs?=A0
Does anybody implemented an application with large number of CFs? if= so, whats that number?

Thanks


Nicolas Santini

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