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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4134) Incorporate remaining patches from DRILL-1942 Allocator refactor
Date Tue, 01 Dec 2015 18:20:10 GMT

    [ 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 @@
    +<!--
    + Licensed to the Apache Software Foundation (ASF) under one
    + or more contributor license agreements.  See the NOTICE file
    + distributed with this work for additional information
    + regarding copyright ownership.  The ASF licenses this file
    + to you under the Apache License, Version 2.0 (the
    + "License"); you may not use this file except in compliance
    + with the License.  You may obtain a copy of the License at
    + 
    + http://www.apache.org/licenses/LICENSE-2.0
    + 
    + Unless required by applicable law or agreed to in writing, software
    + distributed under the License is distributed on an "AS IS" BASIS,
    + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + See the License for the specific language governing permissions and
    + limitations under the License.
    +-->
    +# 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
>
>




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