Return-Path: X-Original-To: apmail-cassandra-dev-archive@www.apache.org Delivered-To: apmail-cassandra-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 6E518101E8 for ; Mon, 23 Sep 2013 18:02:51 +0000 (UTC) Received: (qmail 31261 invoked by uid 500); 23 Sep 2013 18:02:50 -0000 Delivered-To: apmail-cassandra-dev-archive@cassandra.apache.org Received: (qmail 31079 invoked by uid 500); 23 Sep 2013 18:02:49 -0000 Mailing-List: contact dev-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list dev@cassandra.apache.org Received: (qmail 31071 invoked by uid 99); 23 Sep 2013 18:02:49 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 23 Sep 2013 18:02:49 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 74.125.82.52 as permitted sender) Received: from [74.125.82.52] (HELO mail-wg0-f52.google.com) (74.125.82.52) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 23 Sep 2013 18:02:45 +0000 Received: by mail-wg0-f52.google.com with SMTP id m15so3463939wgh.19 for ; Mon, 23 Sep 2013 11:02:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=RF3M/cze4iFIuzjPYJB7BBSExh9gdFHdmBFh8fqpWXE=; b=HisiEDpDyPJBp5qfIYb+SaAxeV/txFav7F3vHpPvxVNzKJnQF6liK+5WYqW/cgLvsD vdnZDOoknCGl7hlNPOF/ltfXQ2qyEjLPg8z1tt5+WIhnwuPQfHUgJmFdLDbjtHomziwu Kd4sKp5l07xaVaMiASK7JzPa0FpGh38h4sfuYCjQD8d5dOAbb8mYsiXl74a7TbP/nLs2 HetxKT5OWSQ2k16V93oDmTEVI0F+ihhCSqF3N9Qbzfd2+yHXM+QOj+iRWxnoR8WojMuB +fDBwoqto9DhUmY+P8iFMg6RVk0Bz2MxuahihQR6GzSZEiAn0/y2L4+kyAb8tZ7tpR+L 99rA== X-Received: by 10.180.81.71 with SMTP id y7mr14437596wix.63.1379959343833; Mon, 23 Sep 2013 11:02:23 -0700 (PDT) MIME-Version: 1.0 Received: by 10.217.82.199 with HTTP; Mon, 23 Sep 2013 11:02:02 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Mon, 23 Sep 2013 13:02:02 -0500 Message-ID: Subject: Re: Performance tickets To: dev Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org I've tagged the issues in this thread with the Performance label for easier tracking: https://issues.apache.org/jira/issues/?jql=project%20%3D%2012310865%20AND%20labels%20%3D%20performance%20and%20status%3Dopen On Thu, Sep 19, 2013 at 10:43 AM, Jonathan Ellis wrote: > I'd like to spend some effort in 2.1 improving our performance story > for non-io-bound workloads. Here are some of the ideas we have > floating around: > > https://issues.apache.org/jira/browse/CASSANDRA-4718 (context switch overhead) > > https://issues.apache.org/jira/browse/CASSANDRA-5863 (decompressed chunk cache) > > https://issues.apache.org/jira/browse/CASSANDRA-5417 (composites optimization) > > https://issues.apache.org/jira/browse/CASSANDRA-5019 (flyweight cell container) > > https://issues.apache.org/jira/browse/CASSANDRA-5020 (switch off of > ByteBuffers in cell names and values. Jake was also looking at using > primitives instead; I don't think there's a ticket for that?) > > https://issues.apache.org/jira/browse/CASSANDRA-4175 (cell name compression) > > https://issues.apache.org/jira/browse/CASSANDRA-6060 (avoid using > Strings internally for ks/cf identifiers) > > Anything else I'm missing? > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder, http://www.datastax.com > @spyced -- Jonathan Ellis Project Chair, Apache Cassandra co-founder, http://www.datastax.com @spyced