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 945DC200D0F for ; Fri, 29 Sep 2017 22:51:22 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 92E1F1609D1; Fri, 29 Sep 2017 20:51:22 +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 D98EC1609BC for ; Fri, 29 Sep 2017 22:51:21 +0200 (CEST) Received: (qmail 11110 invoked by uid 500); 29 Sep 2017 20:51:17 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 11029 invoked by uid 99); 29 Sep 2017 20:51:17 -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, 29 Sep 2017 20:51:17 +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 2B2141A4349 for ; Fri, 29 Sep 2017 20:51:17 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-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-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 IH4lJw3xHfww for ; Fri, 29 Sep 2017 20:51:16 +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 17B076125C for ; Fri, 29 Sep 2017 20:51:16 +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 1BE27E2572 for ; Fri, 29 Sep 2017 20:51:14 +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 6074F242E3 for ; Fri, 29 Sep 2017 20:51:12 +0000 (UTC) Date: Fri, 29 Sep 2017 20:51:12 +0000 (UTC) From: "Arun Suresh (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HADOOP-14612) Reduce memory copy in BlobOutputStreamInternal::dispatchWrite MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 29 Sep 2017 20:51:22 -0000 [ https://issues.apache.org/jira/browse/HADOOP-14612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arun Suresh updated HADOOP-14612: --------------------------------- Target Version/s: 3.1.0 (was: 2.9.0, 3.0.0) > Reduce memory copy in BlobOutputStreamInternal::dispatchWrite > ------------------------------------------------------------- > > Key: HADOOP-14612 > URL: https://issues.apache.org/jira/browse/HADOOP-14612 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/azure > Reporter: Rajesh Balamohan > Priority: Minor > > Currently in {{BlobOutputStreamInternal::dispatchWrite}}, buffer is copied internally for every write. During large uploads this can be around 4 MB. This can be avoided if there is internal class which extends ByteArrayOutputStream with additional method "ByteArrayInputStream getInputStream()". -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: common-issues-help@hadoop.apache.org