tencent cloud

All product documents
Elastic MapReduce
Hadoop Practical Tutorial
Last updated: 2024-10-21 17:23:52
Hadoop Practical Tutorial
Last updated: 2024-10-21 17:23:52
In Hadoop, distributed file system HDFS, resource scheduling framework YARN, and iterative computing framework MR. Tencent Cloud's Hadoop version that have integrated with COS, allowing you to access to COS by running the hadoop fs command line so as to separate compute and storage apart. Below are some best practices:
HDFSFor both high-availability (HA) cluster and non-HA cluster, do not format the namenode; otherwise, your data will be lost permanently. Tencent Cloud shall not be responsible under any circumstance for any loss of data caused by formatting the namenode.
YARNThe fair scheduler is enabled by default, and you can change the scheduler based on your actual needs.
Was this page helpful?
You can also Contact Sales or Submit a Ticket for help.
Yes
No

Feedback

Contact Us

Contact our sales team or business advisors to help your business.

Technical Support

Open a ticket if you're looking for further assistance. Our Ticket is 7x24 available.

7x24 Phone Support
Hong Kong, China
+852 800 906 020 (Toll Free)
United States
+1 844 606 0804 (Toll Free)
United Kingdom
+44 808 196 4551 (Toll Free)
Canada
+1 888 605 7930 (Toll Free)
Australia
+61 1300 986 386 (Toll Free)
EdgeOne hotline
+852 300 80699
More local hotlines coming soon