-Re: HBase and Data Integrity
tsuna 2013-02-17, 00:48
On Sat, Feb 16, 2013 at 12:28 PM, Steve Berg <[EMAIL PROTECTED]> wrote:
> I have some questions for HBase DB:
I'm moving this thread to the HBase user mailing list.
> How to ensure data integrity?
Data stored by HBase in HDFS has 3 replicas of the data and checksums.
> Are there methods ensure the integrity?
It's all built-in, I'm not sure what you meant by "methods" here.
> Does HBase primary key? or alternatives
HBase has only one primary key per table.
You may wanna look at the HBase Book, Chapter 5. "Data Model":
> Foreign key?
> Referential Integrity?
> How are the ACID properties to be implemented?
Benoit "tsuna" Sigoure