From commits-return-20348-archive-asf-public=cust-asf.ponee.io@airflow.incubator.apache.org Sun Sep 2 20:05:10 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 0BFC9180789 for ; Sun, 2 Sep 2018 20:05:08 +0200 (CEST) Received: (qmail 38968 invoked by uid 500); 2 Sep 2018 18:05:08 -0000 Mailing-List: contact commits-help@airflow.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@airflow.incubator.apache.org Delivered-To: mailing list commits@airflow.incubator.apache.org Received: (qmail 38842 invoked by uid 99); 2 Sep 2018 18:05:07 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 02 Sep 2018 18:05:07 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 90219C1D01 for ; Sun, 2 Sep 2018 18:05:07 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -110.301 X-Spam-Level: X-Spam-Status: No, score=-110.301 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id PNDZ_7o-_HYu for ; Sun, 2 Sep 2018 18:05:07 +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 5551960D91 for ; Sun, 2 Sep 2018 18:05:05 +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 3DCFEE2673 for ; Sun, 2 Sep 2018 18:05:04 +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 6D6E226BA7 for ; Sun, 2 Sep 2018 18:05:03 +0000 (UTC) Date: Sun, 2 Sep 2018 18:05:03 +0000 (UTC) From: "Apache Spark (JIRA)" To: commits@airflow.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Assigned] (AIRFLOW-1491) Celery executor restarts result in duplicate tasks MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/AIRFLOW-1491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned AIRFLOW-1491: ------------------------------------- Assignee: Holden Karau's magical unicorn (was: George Leslie-Waksman) > Celery executor restarts result in duplicate tasks > -------------------------------------------------- > > Key: AIRFLOW-1491 > URL: https://issues.apache.org/jira/browse/AIRFLOW-1491 > Project: Apache Airflow > Issue Type: Bug > Reporter: George Leslie-Waksman > Assignee: Holden Karau's magical unicorn > Priority: Major > > Since the Celery executor uses internal state to determine what it has queued already, anything that wipes the executor state (such as a scheduler restart) will result in rescheduling of tasks. > This bug exacerbates a number of task scheduling race conditions and can result in duplicate task execution. -- This message was sent by Atlassian JIRA (v7.6.3#76005)