Amazon Simple Storage Service -Console User Guide 读书笔记

Amazon Simple Storage Service -Console User Guide 读书笔记

--相关章节
1.working with Buckets
Creating a Bucket
Browsing the Objects in Your Bucket
Managing Bucket Logging
Managing Bucket Website Configuration
Editing Bucket Permissions
Enable RRS Lost Object Notification
Deleting a Bucket
2.Working with Objects
Uplaoding Objects into Amazon S3
Editing Object Permissions
Editing the Metadata of an Object
Opeing an Object
Downloading an Ojbect
Copying an Object
Deleting an Object
3.Working with Folders
Creating a Folder
Deleting a Folder

--glossary
SNS Amazon Simple Notification Service
RRS Reduced Redundancy Storage
Simple Queue Service

propagate 传播，传导
stale 陈旧的，过时的
commitment 委托 交付
adjacent 临近的，毗连的
accrue 产生 生成
access 征收费用
canonical 典型的，标准的
compensation 补偿,补助;修正
tighten 收紧 加紧
bicoastal 美俚〉(活跃在)大西洋和太平洋东西海岸的
magnified 放大的
vacuum 真空 空白 空间
implication 含义 言外之意
vague 含糊的 模糊的 不准确的
hood 面罩 防护罩
theorizing 标示解释

--tips
You can configure buckets so that they are created in a specific Region.

eventual consistency
read-after-write consistency
--关于这两个概念今天前面有一片博文有介绍

Amazon S3 does not keep copies or move it to any other region.
不跨区存储，也不会自动的在数据中心间移动框和对象。

Two ways of controlling access to buckets and objects :
access control list (ACLs)
bucket prolicies
Policies are a collect of statements that define a user's permissions to access amazon S3 resouces .

S3目前不支持对象锁，如果两个put请求对一个对象操作，
则时间戳晚的生效，如果这样有问题，需要在你自己的应用中构建对象锁机制。

The following features are currently unavailable in the AWS Management Console:
Requester pays
BitTorrent
Versioning

PART ONE::::::::::Working with Buckets
====================================================================
S3与不同的网络存储的区别在哪里？

the storage class of the objects in the buckets

Note:You are not charged for creating a bucket,you are only charged for storing
objects in the bucket and or transfering objects in and out of the bucket.

Bucket names requirements:
Can contain lowercase letters,numbers,periods(.),underscores(_),and dashes(-)
Must start with a number or letter
Must be between 3 and 255 characters long
Must not be formatted as an IP address (e.g.,192.168.5.4)

request access log:
request type
the resources specified in the request worked
the time and date the request was processed
--
However,by default,S3 does not collect server access logs

Note
A check box enable you to configure your bucket as a website.
If you clear the Enabled check box,Amazon S3 removes any existing website configuration
from the bucket,and the bucket is not accesiable via the website endpoints.

PART TWO::::::::::::Working with Objects
====================================================================
Objects can be any file type:image_backup,data,movies,etc

There are two types of metadata:system and user.
S3 never process user metadata. User metadata is stored with the object and
returned with it.The maximum size for user metadata is 2KB,and both the keys and their
values must conform to US-ASCII standards.

[@more@]

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