Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 5E402200D19 for ; Fri, 22 Sep 2017 06:25:05 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 5C6391609E4; Fri, 22 Sep 2017 04:25:05 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id A52A51609E1 for ; Fri, 22 Sep 2017 06:25:04 +0200 (CEST) Received: (qmail 15294 invoked by uid 500); 22 Sep 2017 04:25:03 -0000 Mailing-List: contact commits-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 commits@cassandra.apache.org Received: (qmail 15282 invoked by uid 99); 22 Sep 2017 04:25:03 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 22 Sep 2017 04:25:03 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 2A26D1917EC for ; Fri, 22 Sep 2017 04:25:03 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.502 X-Spam-Level: X-Spam-Status: No, score=-99.502 tagged_above=-999 required=6.31 tests=[KAM_NUMSUBJECT=0.5, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id knjEumlIXVQz for ; Fri, 22 Sep 2017 04:25:02 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 0BD3D5F39F for ; Fri, 22 Sep 2017 04:25:02 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 47A37E0A04 for ; Fri, 22 Sep 2017 04:25:01 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 5B998241D1 for ; Fri, 22 Sep 2017 04:25:00 +0000 (UTC) Date: Fri, 22 Sep 2017 04:25:00 +0000 (UTC) From: "Jeff Jirsa (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Resolved] (CASSANDRA-10327) Performance regression in 2.2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 22 Sep 2017 04:25:05 -0000 [ https://issues.apache.org/jira/browse/CASSANDRA-10327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jeff Jirsa resolved CASSANDRA-10327. ------------------------------------ Resolution: Won't Fix Seems unlikely we'll be addressing a 2.2 regression anymore, especially with a suspect 2.1 test. I'm reasonably sure you won't mind, [~benedict] , but if I'm wrong and you do care, please let me know. > Performance regression in 2.2 > ----------------------------- > > Key: CASSANDRA-10327 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10327 > Project: Cassandra > Issue Type: Bug > Reporter: Benedict > Fix For: 2.2.x > > > Related to CASSANDRA-10326, one of the read-only workloads _appears_ to show a regression in 2.2, however it is possible this is simply down to a different compaction result (this shouldn't be very likely given the use of LCS, though, and that we wait for compaction to acquiesce, and while the different is not consistent across both runs, it is consistently worse). > The query is looking up the last item of a partition. > [run1|http://cstar.datastax.com/graph?stats=f0a17292-5a13-11e5-847a-42010af0688f&metric=op_rate&operation=3_user&smoothing=1&show_aggregates=true&xmin=0&xmax=155.43&ymin=0&ymax=13777.5] > [run2|http://cstar.datastax.com/graph?stats=e25aaaa0-5a13-11e5-ae0d-42010af0688f&metric=op_rate&operation=3_user&smoothing=1&show_aggregates=true&xmin=0&xmax=74.36&ymin=0&ymax=34078] -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscribe@cassandra.apache.org For additional commands, e-mail: commits-help@cassandra.apache.org