Return-Path: X-Original-To: apmail-hadoop-common-dev-archive@www.apache.org Delivered-To: apmail-hadoop-common-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 56325176CC for ; Sat, 11 Apr 2015 19:38:14 +0000 (UTC) Received: (qmail 63707 invoked by uid 500); 11 Apr 2015 19:38:12 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 63533 invoked by uid 500); 11 Apr 2015 19:38:12 -0000 Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-dev@hadoop.apache.org Delivered-To: mailing list common-dev@hadoop.apache.org Received: (qmail 63233 invoked by uid 99); 11 Apr 2015 19:38:12 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 11 Apr 2015 19:38:12 +0000 Date: Sat, 11 Apr 2015 19:38:12 +0000 (UTC) From: "Zoran Dimitrijevic (JIRA)" To: common-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HADOOP-11827) Speed-up distcp buildListing() using threadpool MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Zoran Dimitrijevic created HADOOP-11827: ------------------------------------------- Summary: Speed-up distcp buildListing() using threadpool Key: HADOOP-11827 URL: https://issues.apache.org/jira/browse/HADOOP-11827 Project: Hadoop Common Issue Type: Improvement Components: tools/distcp Affects Versions: 3.0.0 Reporter: Zoran Dimitrijevic Assignee: Zoran Dimitrijevic Priority: Minor For very large source trees on s3 distcp is taking long time to build file listing (client code, before starting mappers). For a dataset I used (1.5M files, 50K dirs) it was taking 65 minutes before my fix in HADOOP-11785 and 36 minutes after the fix). -- This message was sent by Atlassian JIRA (v6.3.4#6332)