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HBase User Guide
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HBase Cluster Management
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HBase Cluster Management
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ClickHouse User Guide
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ClickHouse Cluster Management
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ClickHouse Cluster Management
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HBase User Guide
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Developer Guide
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FAQs
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General
- What Services Does a CloudTable Cluster Provide?
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- What Should I Pay Attention to When Using CloudTable Service?
- What Compression Algorithms Are Supported by CloudTable HBase Clusters?
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- Which Programming Languages Are Supported by HBase External APIs in CloudTable?
- How Do I Determine the Number of Faulty RegionServers?
- What Special Characters Does CloudTable HBase Support?
- What Can I Do If the Index Table Does Not Match the Data Table After CloudTable Data Is Deleted?
- What Should I Do If Concurrent Tasks Run Slowly When Python Accesses CloudTable Through Thrift?
- How do I view the TTL attribute of HBase shell?
- Why Are My Server Resources Released?
- How Do I Delete a Cluster?
- How Do I Stop Services and Release Resources?
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Connection and Access
- How Do I Access a CloudTable Cluster?
- Can I Use SSH to Access Computing Nodes of CloudTable?
- Why Can't I Access HBase After the ZK Address Is Configured?
- Why Is the Error "Will not attempt to authenticate using SASL (unknown error)" Reported When Connecting to HBase?
- How Do I View the IP Address Corresponding to a Domain Name in a CloudTable Link?
- How Do I Access CloudTable from Other Cloud Services?
- Can I Configure the hbase-site.xml File?
- How Do I Query the Creation Time of a Table in CloudTable HBase?
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Data Read/Write
- Is Raw Data Stored in CloudTable HBase?
- Why Can't I Write Data to HBase?
- What Is the Maximum Size of Data Written to the HBase Cluster?
- How Do I Check the Daily Incremental Data in HBase Tables?
- What Should I Do If an Error Is Reported When I Access the CloudTable HBase Cluster?
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- What Should I Do If a Database Missing Error Occurs When a Table Is Created in the ClickHouse Cluster?
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Typical Application Scenario
You can quickly learn and master the HBase development process and know key interface functions in a typical application scenario.
Description
Develop an application to manage information about users who use service A in an enterprise. Table 1 provides the user information. Procedures are as follows:
- Create a user information table.
- Add users' educational backgrounds and titles to the table.
- Query user names and addresses by user ID.
- Query information by user name.
- Query information about users whose age ranges from 20 to 29.
- Collect the number of users and their maximum, minimum, and average age.
- Deregister users and delete user data from the user information table.
- Delete the user information table after service A ends.
Table 1 User information ID
Name
Gender
Age
Address
12005000201
A
Male
19
Shenzhen, Guangdong
12005000202
B
Female
23
Shijiazhuang, Hebei
12005000203
C
Male
26
Ningbo, Zhejiang
12005000204
D
Male
18
Xiangyang, Hubei
12005000205
E
Female
21
Shangrao, Jiangxi
12005000206
F
Male
32
Zhuzhou, Hunan
12005000207
G
Female
29
Nanyang, Henan
12005000208
H
Female
30
Kaixian, Chongqing
12005000209
I
Male
26
Weinan, Shaanxi
12005000210
J
Male
25
Dalian, Liaoning
Data Planning
Proper design of a table structure, RowKeys, and column names enable you to make full use of HBase advantages. In the sample project, a unique ID is used as a RowKey, and columns are stored in the info column family.
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