Hi there- First, make sure you aren't tripping on any of these issues..
http://hbase.apache.org/book.html#perf.reading On 10/26/11 6:21 AM, "Rita" <[email protected]> wrote: >I am trying to do some simple statistics with my data but its taking >longer >than expected. > > > >Here is how my data is structured in hbase. > >keys (symbol#epoch time stamp) >msft#1319562974#NASDAQ >t#1319562974#NYSE >yhoo#1319562974#NASDAQ >msft#1319562975#NASDAQ > >The values look like this (for instance microsoft) >... >price=26.81 >open= >close= >... > >there are about 300 values per each key. > > >So, for instance if I want to calculate avg price of msft I am setting up >a >start and stop filter and its able to calculate it by tick. But its taking >about 7 seconds to go thru 500 keys. Is that normal? Is there a faster way >to calculate sum,avg,count in hbase? would I need to redo my schema? > >tia > > > > > >-- >--- Get your facts first, then you can distort them as you please.--
