de253d21__HBase_vs__BigTable_Comparison__Feature
[Google BigTable] Yes, per row [Apache HBase] Yes, per row [Notes] Since BigTable does not strive to be a relational database it does not have transactions. The closest to such a mechanism is the atomic access to each row in the table. HBase also implements a row lock API which allows the user to lock more than one row at a time. [Feature] 
Atomic Read/Write/Modify
Lineland: HBase vs. BigTable Comparison
Feature