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 E455B200BDA for ; Tue, 13 Dec 2016 16:31:03 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id E345A160B23; Tue, 13 Dec 2016 15:31:03 +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 30721160B07 for ; Tue, 13 Dec 2016 16:31:03 +0100 (CET) Received: (qmail 35003 invoked by uid 500); 13 Dec 2016 15:31:02 -0000 Mailing-List: contact commits-help@beam.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@beam.incubator.apache.org Delivered-To: mailing list commits@beam.incubator.apache.org Received: (qmail 34994 invoked by uid 99); 13 Dec 2016 15:31:02 -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; Tue, 13 Dec 2016 15:31:02 +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 E6AD11AAB70 for ; Tue, 13 Dec 2016 15:31:01 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -7.019 X-Spam-Level: X-Spam-Status: No, score=-7.019 tagged_above=-999 required=6.31 tests=[KAM_LAZY_DOMAIN_SECURITY=1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-2.999] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id 0UE-1POhj6uZ for ; Tue, 13 Dec 2016 15:31:00 +0000 (UTC) Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with SMTP id 4B6315FAFB for ; Tue, 13 Dec 2016 15:30:59 +0000 (UTC) Received: (qmail 34385 invoked by uid 99); 13 Dec 2016 15:30:58 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 Dec 2016 15:30:58 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 79BE82C03DE for ; Tue, 13 Dec 2016 15:30:58 +0000 (UTC) Date: Tue, 13 Dec 2016 15:30:58 +0000 (UTC) From: "Aviem Zur (JIRA)" To: commits@beam.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (BEAM-1146) Spark runner ~1m startup overhead MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 13 Dec 2016 15:31:04 -0000 [ https://issues.apache.org/jira/browse/BEAM-1146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aviem Zur updated BEAM-1146: ---------------------------- Component/s: runner-spark > Spark runner ~1m startup overhead > --------------------------------- > > Key: BEAM-1146 > URL: https://issues.apache.org/jira/browse/BEAM-1146 > Project: Beam > Issue Type: Improvement > Components: runner-spark > Reporter: Aviem Zur > > BEAM-921 introduced a lazy singleton instantiated once in each machine (driver & executors) which utilizes reflection to find all subclasses of Source and Coder > While this is beneficial in it's own right, the change added about one minute of overhead in spark runner startup time (which cause the first job/stage to take up to a minute). > The change is in class {{BeamSparkRunnerRegistrator}} > The reason reflection (specifically reflections library) was used here is because there is no current way of knowing all the source and coder classes at runtime. -- This message was sent by Atlassian JIRA (v6.3.4#6332)