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 E8472200D2F for ; Wed, 1 Nov 2017 21:58:05 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id E6DFC1609EC; Wed, 1 Nov 2017 20:58:05 +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 1119E160BEA for ; Wed, 1 Nov 2017 21:58:04 +0100 (CET) Received: (qmail 57352 invoked by uid 500); 1 Nov 2017 20:58:04 -0000 Mailing-List: contact dev-help@phoenix.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@phoenix.apache.org Delivered-To: mailing list dev@phoenix.apache.org Received: (qmail 57341 invoked by uid 99); 1 Nov 2017 20:58:04 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Nov 2017 20:58:04 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 57FF6D62D7 for ; Wed, 1 Nov 2017 20:58:03 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, 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 (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id HUP0TTg7qNAC for ; Wed, 1 Nov 2017 20:58:02 +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 B27D360F1F for ; Wed, 1 Nov 2017 20:58:01 +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 EB661E0ECE for ; Wed, 1 Nov 2017 20:58:00 +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 4CE6624411 for ; Wed, 1 Nov 2017 20:58:00 +0000 (UTC) Date: Wed, 1 Nov 2017 20:58:00 +0000 (UTC) From: "James Taylor (JIRA)" To: dev@phoenix.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Comment Edited] (PHOENIX-4287) Incorrect aggregate query results when stats are disable for parallelization MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 01 Nov 2017 20:58:06 -0000 [ https://issues.apache.org/jira/browse/PHOENIX-4287?page=3Dcom.atlassi= an.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D16= 234742#comment-16234742 ]=20 James Taylor edited comment on PHOENIX-4287 at 11/1/17 8:57 PM: ---------------------------------------------------------------- Actually, never mind, [~mujtabachohan]. The config for using stats for para= llization is client side. Are you falling back to that [~samarthjain] when = it=E2=80=99s not set on the table? was (Author: jamestaylor): Actually, never mind, [~mujtabachohan]. The con gig for using stats for par= allization is client side. Are you falling back to that [~samarthjain] when= it=E2=80=99s not set on the table? > Incorrect aggregate query results when stats are disable for parallelizat= ion > -------------------------------------------------------------------------= --- > > Key: PHOENIX-4287 > URL: https://issues.apache.org/jira/browse/PHOENIX-4287 > Project: Phoenix > Issue Type: Bug > Affects Versions: 4.12.0 > Environment: HBase 1.3.1 > Reporter: Mujtaba Chohan > Assignee: Samarth Jain > Priority: Major > Labels: localIndex > Fix For: 4.13.0, 4.12.1 > > Attachments: PHOENIX-4287.patch, PHOENIX-4287_v2.patch, PHOENIX-4= 287_v3.patch, PHOENIX-4287_v3_wip.patch, PHOENIX-4287_v4.patch > > > With {{phoenix.use.stats.parallelization}} set to {{false}}, aggregate qu= ery returns incorrect results when stats are available. > With local index and stats disabled for parallelization: > {noformat} > explain select count(*) from TABLE_T; > +------------------------------------------------------------------------= -------------------------------+-----------------+----------------+--------= ---+ > | PLAN = | EST_BYTES_READ | EST_ROWS_READ | EST_IN= FO | > +------------------------------------------------------------------------= -------------------------------+-----------------+----------------+--------= ---+ > | CLIENT 0-CHUNK 332170 ROWS 625043899 BYTES PARALLEL 0-WAY RANGE SCAN OV= ER TABLE_T [1] | 625043899 | 332170 | 150792825 | > | SERVER FILTER BY FIRST KEY ONLY = | 625043899 | 332170 | 1507928= 25 | > | SERVER AGGREGATE INTO SINGLE ROW = | 625043899 | 332170 | 1507928= 25 | > +------------------------------------------------------------------------= -------------------------------+-----------------+----------------+--------= ---+ > select count(*) from TABLE_T; > +-----------+ > | COUNT(1) | > +-----------+ > | 0 | > +-----------+ > {noformat} > Using data table > {noformat} > explain select /*+NO_INDEX*/ count(*) from TABLE_T; > +------------------------------------------------------------------------= --------------------------+-----------------+----------------+-------------= ---+ > | PLAN = | EST_BYTES_READ | EST_ROWS_READ | EST_INFO_TS= | > +------------------------------------------------------------------------= --------------------------+-----------------+----------------+-------------= ---+ > | CLIENT 2-CHUNK 332151 ROWS 438492470 BYTES PARALLEL 1-WAY FULL SCAN OVE= R TABLE_T | 438492470 | 332151 | 1507928257617 | > | SERVER FILTER BY FIRST KEY ONLY = | 438492470 | 332151 | 150792825761= 7 | > | SERVER AGGREGATE INTO SINGLE ROW = | 438492470 | 332151 | 150792825761= 7 | > +------------------------------------------------------------------------= --------------------------+-----------------+----------------+-------------= ---+ > select /*+NO_INDEX*/ count(*) from TABLE_T; > +-----------+ > | COUNT(1) | > +-----------+ > | 14 | > +-----------+ > {noformat} > Without stats available, results are correct: > {noformat} > explain select /*+NO_INDEX*/ count(*) from TABLE_T; > +----------------------------------------------------------------------+-= ----------------+----------------+--------------+ > | PLAN | = EST_BYTES_READ | EST_ROWS_READ | EST_INFO_TS | > +----------------------------------------------------------------------+-= ----------------+----------------+--------------+ > | CLIENT 2-CHUNK PARALLEL 1-WAY FULL SCAN OVER TABLE_T | null = | null | null | > | SERVER FILTER BY FIRST KEY ONLY | = null | null | null | > | SERVER AGGREGATE INTO SINGLE ROW | = null | null | null | > +----------------------------------------------------------------------+-= ----------------+----------------+--------------+ > select /*+NO_INDEX*/ count(*) from TABLE_T; > +-----------+ > | COUNT(1) | > +-----------+ > | 333327 | > +-----------+ > {noformat} -- This message was sent by Atlassian JIRA (v6.4.14#64029)