Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 89FD9115E2 for ; Thu, 3 Apr 2014 22:03:06 +0000 (UTC) Received: (qmail 10727 invoked by uid 500); 3 Apr 2014 22:03:03 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 9892 invoked by uid 500); 3 Apr 2014 22:03:00 -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 9786 invoked by uid 99); 3 Apr 2014 22:02:56 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Apr 2014 22:02:56 +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 rcoli@eventbrite.com designates 209.85.215.45 as permitted sender) Received: from [209.85.215.45] (HELO mail-la0-f45.google.com) (209.85.215.45) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Apr 2014 22:02:51 +0000 Received: by mail-la0-f45.google.com with SMTP id hr17so1868360lab.32 for ; Thu, 03 Apr 2014 15:02:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=Ud2p+yyHN3WIvYCLSO6O33Jk7QJr/2KsSy2EPJq+QU4=; b=EOZkh4RdNaZZiY7/JWsZTSoBwqaI6SUEQd8yz/WkzcgkHKoC7NolQ8rhwjg/cosVva DBlSv6ioZEYywVEHQ6atdNEaN2WP9FBNq2TrGyvSbTwSsQolKD+7XuHUIk6TC5GitwRW py5W7Yq8cImP4V047JXn3vZeyAarp6Q5Kmt+E5bd8x84BwbfS5d2Oq8ZkXI/3ss6lCOG /RTsCJ/SFdKUzz6fbbV2cfWi50sCykpElMSQp9QLKRx22BbhyQPHc8IAot5kfmiCpaEG hJy4JwYhAmPIOHGua/OH6i4clYtjShRd1rbYKnnahyJwWFVPXuk2+0gibuKFEFxTwiDR FIaA== X-Gm-Message-State: ALoCoQkapnUmY+hiQ5KRBVNg26INK0xIsDptRjiURaHSiD4lVWkme4JjeVNrSkv33CQj3RPPnnQe MIME-Version: 1.0 X-Received: by 10.152.205.98 with SMTP id lf2mr214986lac.60.1396562550050; Thu, 03 Apr 2014 15:02:30 -0700 (PDT) Received: by 10.115.4.162 with HTTP; Thu, 3 Apr 2014 15:02:29 -0700 (PDT) In-Reply-To: References: Date: Thu, 3 Apr 2014 15:02:29 -0700 Message-ID: Subject: Re: Read performance in map data type From: Robert Coli To: "user@cassandra.apache.org" Content-Type: multipart/alternative; boundary=001a1133b6f6b3dce504f62a8ea7 X-Virus-Checked: Checked by ClamAV on apache.org --001a1133b6f6b3dce504f62a8ea7 Content-Type: text/plain; charset=ISO-8859-1 On Thu, Apr 3, 2014 at 12:20 AM, Apoorva Gaurav wrote: > At the client side we are getting a latency of ~350ms, we are using > datastax driver 2.0.0 and have kept the fetch size as 500. And these are > coming while reading rows having ~200 columns. > And you're sure that the 300ms between what cassandra reports and what your app reports are not just network/serialization time? What do you believe the latency "should" be? =Rob --001a1133b6f6b3dce504f62a8ea7 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
On T= hu, Apr 3, 2014 at 12:20 AM, Apoorva Gaurav <apoorva.gaurav@mynt= ra.com> wrote:
At the client side we are g= etting a latency of ~350ms, we are using datastax driver 2.0.0 and have kep= t the fetch size as 500. And these are coming while reading rows having ~20= 0 columns.

And you're sure that the 300ms between= what cassandra reports and what your app reports are not just network/seri= alization time?

What do you believe the latency &q= uot;should" be?

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