Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 861F111567 for ; Thu, 15 May 2014 02:42:23 +0000 (UTC) Received: (qmail 55703 invoked by uid 500); 10 May 2014 22:13:14 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 55665 invoked by uid 500); 10 May 2014 22:13:14 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 55656 invoked by uid 99); 10 May 2014 22:13:14 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 10 May 2014 22:13:14 +0000 Date: Sat, 10 May 2014 22:13:14 +0000 (UTC) From: "Colin Patrick McCabe (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HADOOP-10587) Use a thread-local cache in TokenIdentifier#getBytes to avoid creating many DataOutputBuffer objects MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Colin Patrick McCabe created HADOOP-10587: --------------------------------------------- Summary: Use a thread-local cache in TokenIdentifier#getBytes to avoid creating many DataOutputBuffer objects Key: HADOOP-10587 URL: https://issues.apache.org/jira/browse/HADOOP-10587 Project: Hadoop Common Issue Type: Improvement Affects Versions: 2.4.0 Reporter: Colin Patrick McCabe Assignee: Colin Patrick McCabe Priority: Minor Attachments: HADOOP-10587.001.patch We can use a thread-local cache in TokenIdentifier#getBytes to avoid creating many DataOutputBuffer objects. This will reduce our memory usage (for example, when loading edit logs), and help prevent OOMs. -- This message was sent by Atlassian JIRA (v6.2#6252)