On Fri, Sep 12, 2014 at 1:21 PM, Vladimir Rodionov <[email protected]> wrote:
> All row mutate operations in HBase are atomic: > puts/deletes/increments/appends. > Atomicity in HBase has the same meaning as in RDBMs exactly - operations > completes as a whole or does not at all. There is an additional guarantee > in HBase that all reads are ROW - atomic as well - one will never read > partial result of atomic mutate operation (on a ROW). READ_UNCOMMITTED will > weaken this read atomicity guarantee and it will be possible to read > partial results of a row mutation operation, > > so we discard row read atomicity but still have cell atomicity > (hopefully?). > > This is my understanding of what READ_UNCOMMITTED means in HBase. > > PS > > I created : > https://issues.apache.org/jira/browse/HBASE-11965 Thanks Vladimir, St.Ack
