Return-Path: X-Original-To: apmail-drill-issues-archive@minotaur.apache.org Delivered-To: apmail-drill-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 459B118E29 for ; Tue, 1 Dec 2015 18:20:14 +0000 (UTC) Received: (qmail 74516 invoked by uid 500); 1 Dec 2015 18:20:11 -0000 Delivered-To: apmail-drill-issues-archive@drill.apache.org Received: (qmail 74482 invoked by uid 500); 1 Dec 2015 18:20:11 -0000 Mailing-List: contact issues-help@drill.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@drill.apache.org Delivered-To: mailing list issues@drill.apache.org Received: (qmail 74451 invoked by uid 99); 1 Dec 2015 18:20:11 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 01 Dec 2015 18:20:11 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id ED51B2C0453 for ; Tue, 1 Dec 2015 18:20:10 +0000 (UTC) Date: Tue, 1 Dec 2015 18:20:10 +0000 (UTC) From: "ASF GitHub Bot (JIRA)" To: issues@drill.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (DRILL-4134) Incorporate remaining patches from DRILL-1942 Allocator refactor 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/DRILL-4134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15034260#comment-15034260 ] ASF GitHub Bot commented on DRILL-4134: --------------------------------------- Github user julienledem commented on a diff in the pull request: https://github.com/apache/drill/pull/283#discussion_r46316115 --- Diff: exec/memory/base/src/main/java/org/apache/drill/exec/memory/README.md --- @@ -0,0 +1,121 @@ + +# Memory: Allocation, Accounting and Management + +The memory management package contains all the memory allocation related items that Drill uses to manage memory. + + +## Key Components +Memory management can be broken into the following main components: + +- Memory chunk allocation and fragmentation management + - `PooledByteBufAllocatorL` - A LittleEndian clone of Netty's jemalloc implementation + - `UnsafeDirectLittleEndian` - A base level memory access interface + - `LargeBuffer` - A buffer backing implmentation used when working with data larger than one Netty chunk (default to 16mb) --- End diff -- typo: s/implmentation/implementation > Incorporate remaining patches from DRILL-1942 Allocator refactor > ---------------------------------------------------------------- > > Key: DRILL-4134 > URL: https://issues.apache.org/jira/browse/DRILL-4134 > Project: Apache Drill > Issue Type: Sub-task > Components: Execution - Flow > Reporter: Jacques Nadeau > Assignee: Jacques Nadeau > Fix For: 1.4.0 > > -- This message was sent by Atlassian JIRA (v6.3.4#6332)