Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 53202 invoked from network); 5 Oct 2009 21:28:35 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 5 Oct 2009 21:28:35 -0000 Received: (qmail 82697 invoked by uid 500); 5 Oct 2009 21:28:35 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 82649 invoked by uid 500); 5 Oct 2009 21:28:35 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 82640 invoked by uid 99); 5 Oct 2009 21:28:35 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Oct 2009 21:28:35 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 209.85.219.209 as permitted sender) Received: from [209.85.219.209] (HELO mail-ew0-f209.google.com) (209.85.219.209) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Oct 2009 21:28:26 +0000 Received: by ewy5 with SMTP id 5so22506ewy.6 for ; Mon, 05 Oct 2009 14:27:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=ACk5ELT5b/aF/lbg7GkIYMCe4kSTlUUfJcvN/ckErAI=; b=ftEAIWzPWsRLNuJMQWJNLbycwpKUrpRKhVwbZNRlIAD9uLNh3y0Z1eE8N+9I975JRu XKqVstpOMhyw67UDmSs1s3G2UTrWW7FWDWfj9HR9Dwj05qtRiy+2tlNSdsJCYASF6R1L euV8+IbES5kr8xOIIYN0Ilq6gh1LwiyVikRaE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=fxbZybWoFaU9s5b2aP8THO8rSBZC+PVnUfb0VUigAB9Kf3t+c66XTuMr0N/vBwZCgD mTiq43BWxZXBpdR6bRg/MyLQNb+FDFsv0J+uqJBcA9gLus+zKs5DbWPNNTe63feaYFB/ g5dX/HsE2qaI/Hu0XWVIsmZxwilM+7nqN41X4= MIME-Version: 1.0 Received: by 10.216.10.65 with SMTP id 43mr119823weu.172.1254778026048; Mon, 05 Oct 2009 14:27:06 -0700 (PDT) In-Reply-To: References: Date: Mon, 5 Oct 2009 16:27:05 -0500 Message-ID: Subject: Re: Maximum Value Size From: Jonathan Ellis To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org You should definitely upgrade to 0.4, it might mean using raw Thrift but we have at least one person doing that in Perl. (Is Net::Cassandra much more than a thin wrapper anyway?) Cassandra isn't optimized for blob support (see https://issues.apache.org/jira/browse/CASSANDRA-265 for one proposal to fix this) but 20MB should be doable. -Jonathan On Mon, Oct 5, 2009 at 4:04 PM, Paul Dumoulin wrote: > I have been working with Cassandra for a little over a week now, and I=92= ve > got a quick question.=A0 I am trying to figure out if there is a maximum = value > size that could cause performance degradation.=A0 Is there any reason tha= t > storing or returning a value of 20MB or so may be problematic (key and na= me > would still be small, just large value).=A0 I don=92t expect a high numbe= r of > reads on large values.=A0 I am using version 0.3 because the Net::Cassand= ra > perl module on CPAN is only compatible with that version. > > > > Thanks.