From issues-return-109182-archive-asf-public=cust-asf.ponee.io@hive.apache.org Fri Mar 16 17:12:09 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id D1A7E180608 for ; Fri, 16 Mar 2018 17:12:08 +0100 (CET) Received: (qmail 97586 invoked by uid 500); 16 Mar 2018 16:12:07 -0000 Mailing-List: contact issues-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list issues@hive.apache.org Received: (qmail 97577 invoked by uid 99); 16 Mar 2018 16:12:07 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 16 Mar 2018 16:12:07 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 6F9801A029B for ; Fri, 16 Mar 2018 16:12:07 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -101.511 X-Spam-Level: X-Spam-Status: No, score=-101.511 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id ADneYAMA8T3q for ; Fri, 16 Mar 2018 16:12:06 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 2FA045F477 for ; Fri, 16 Mar 2018 16:12:06 +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 8DC3EE00D1 for ; Fri, 16 Mar 2018 16:12:00 +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 2E2DD21282 for ; Fri, 16 Mar 2018 16:12:00 +0000 (UTC) Date: Fri, 16 Mar 2018 16:12:00 +0000 (UTC) From: "mahesh kumar behera (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-18781) Create/Replicate Open, Commit (without writes) and Abort Txn events MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-18781?page=3Dcom.atlassia= n.jira.plugin.system.issuetabpanels:all-tabpanel ] mahesh kumar behera updated HIVE-18781: --------------------------------------- Attachment: HIVE-18781.04.patch > Create/Replicate Open, Commit (without writes) and Abort Txn events > ------------------------------------------------------------------- > > Key: HIVE-18781 > URL: https://issues.apache.org/jira/browse/HIVE-18781 > Project: Hive > Issue Type: Sub-task > Components: repl, Transactions > Affects Versions: 3.0.0 > Reporter: mahesh kumar behera > Assignee: mahesh kumar behera > Priority: Major > Fix For: 3.0.0 > > Attachments: HIVE-18781.01.patch, HIVE-18781.02.patch, HIVE-18781= .03.patch, HIVE-18781.04.patch > > > *EVENT_OPEN_TXN:* > *Source Warehouse:* > - Create new event type EVENT_OPEN_TXN with related message format etc. > - When any transaction is opened either by auto-commit mode or multi-sta= tement mode, need to capture this event. > - Repl dump should read this event from EventNotificationTable and dump = the message. > *Target Warehouse:* > - Repl load should read the event from the dump and get the message. > - Open a txn in target warehouse. > - Create a map of source txn ID against target txn ID and persist the sa= me in metastore. There should be one map per replication policy (DBName.* i= ncase of DB level replication, DBName.TableName incase of table level repli= cation) > =C2=A0 > *EVENT_COMMIT_TXN (Without writes)* > Add new EVENT_COMMIT_TXN to log the metadata/data of all tables/partition= s modified within the txn. > *Source warehouse:* > - Create EVENT_COMMIT_TXN event type with corresponding message format e= tc. > *Target warehouse:* > - Repl load should read this event from the dump. > - Validate the source txn ID from the event using the Source-Target Txn = ID map maintained in target metastore. Also, need to check if corresponding= target txn ID is valid. > - If valid, then apply the event and commit the corresponding target tra= nsaction. > - This new event should be idempotent such that if it is applied twice, = then second time it should be loop. > =C2=A0 > *EVENT_ABORT_TXN* > Source Warehouse: > - Create new event type EVENT_ABORT_TXN with related message format etc. > - Capture this event when abort the txn. > - Repl dump should read this event from EventNotificationTable and dump = the message. > *Target Warehouse:* > - Repl load should read the event from the dump and get the message. > - Validate if source txn ID from the event is there in the source-target= txn ID map. If not there, just noop the event. > - If valid, then Abort the corresponding target txn and remove the entry= from source-target txn ID map. > All these new events should be idempotent such that if it is applied twic= e, then second time it should be noop. -- This message was sent by Atlassian JIRA (v7.6.3#76005)