de253d21__HBase_vs__BigTable_Comparison__Feature
[Google BigTable] Yes (micro) [Apache HBase] Yes (milli) [Notes] With both systems you can either set the timestamp of a value that is stored yourself or leave the default "now". There are "known" restrictions in HBase that the outcome is indeterminate when adding older timestamps after already having stored newer ones beforehand. [Feature] 
Custom Timestamps
Lineland: HBase vs. BigTable Comparison
Feature