Thanks for pointing out the code. My understanding is correct. Thanks!
On Tue, Jan 14, 2014 at 3:40 PM, Ted Yu <[email protected]> wrote: > Please take a look at the following method in > KeyValueHeap#KVScannerComparator > : > > public int compare(KeyValueScanner left, KeyValueScanner right) { > > Cheers > > > On Tue, Jan 14, 2014 at 3:26 PM, Ishan Chhabra <[email protected] > >wrote: > > > I am trying to understand the interaction of sequenceId and timestamps > for > > KVs, and what was the real issue behind > > https://issues.apache.org/jira/browse/HBASE-6590 which says that > bulkload > > can be used only to update only historical data and not current data. > > > > Taking an example: > > > > Lets say I have a KV (r, c, val1, 10), where 10 is the timestamp already > in > > HBase. > > Now, if I bulkload a KV (r, c, val2, 20) without the patch, will that be > > sorted behind the previous KV since the file created has a sequenceID 0, > or > > will it be correctly be the new returned value during a scan for the > (r,c). > > > > I conducted some experiments myself and concluded that timestamp has a > > priority over sequenceId and sequenceId is used to break a tie only when > > the timestamp is the same, but I need to make sure that my understanding > is > > correct. > > > > Thanks! > > > > -- > > *Ishan Chhabra *| Rocket Scientist | RocketFuel Inc. > > > -- *Ishan Chhabra *| Rocket Scientist | RocketFuel Inc.
