why off-list? it would be better share here. --Send from my Sony mobile. On May 18, 2013 12:14 AM, "James Taylor" <jtay...@salesforce.com> wrote:
> Anil, > Yes, everything is in the Phoenix GitHub repo. Will give you more detail > of specific packages and classes off-list. > Thanks, > > James > > On 05/16/2013 05:33 PM, anil gupta wrote: > >> Hi James, >> >> Is this implementation present in the GitHub repo of Phoenix? If yes, can >> you provide me the package name/classes? >> I haven't got the opportunity to try out Phoenix yet but i would like to >> have a look at the implementation. >> >> Thanks, >> Anil Gupta >> >> >> >> >> On Thu, May 16, 2013 at 4:15 PM, James Taylor <jtay...@salesforce.com >> >wrote: >> >> Hi Anil, >>> No HBase changes were required. We're already leveraging coprocessors in >>> HBase which is a key enabler. The other pieces needed are: >>> - a type system >>> - a means to evaluate an ORDER BY expression on the server >>> - memory tracking/throttling (the topN for each region are held in memory >>> until the client does a merge sort) >>> Phoenix has all these, so it was just a matter of packaging them up to >>> support this. >>> >>> Thanks, >>> James >>> >>> >>> On 05/16/2013 02:02 PM, anil gupta wrote: >>> >>> Hi James, >>>> >>>> You have mentioned support for TopN query. Can you provide me HBase Jira >>>> ticket for that. I am also doing similar stuff in >>>> https://issues.apache.org/****jira/browse/HBASE-7474<https://issues.apache.org/**jira/browse/HBASE-7474> >>>> <https:/**/issues.apache.org/jira/**browse/HBASE-7474<https://issues.apache.org/jira/browse/HBASE-7474> >>>> >. >>>> I am interested in >>>> knowing the details about that implementation. >>>> >>>> Thanks, >>>> Anil Gupta >>>> >>>> >>>> On Thu, May 16, 2013 at 12:29 PM, James Taylor <jtay...@salesforce.com >>>> >>>>> wrote: >>>>> >>>> We are pleased to announce the immediate availability of Phoenix 1.2 ( >>>> >>>>> https://github.com/******forcedotcom/phoenix/wiki/******Download<https://github.com/****forcedotcom/phoenix/wiki/****Download> >>>>> <https://github.com/****forcedotcom/phoenix/wiki/****Download<https://github.com/**forcedotcom/phoenix/wiki/**Download> >>>>> > >>>>> <https://github.com/****forcedotcom/phoenix/wiki/****Download<https://github.com/**forcedotcom/phoenix/wiki/**Download> >>>>> <https://github.com/**forcedotcom/phoenix/wiki/**Download<https://github.com/forcedotcom/phoenix/wiki/Download> >>>>> > >>>>> >>>>>> ). >>>>>> >>>>> Here are some of the release highlights: >>>>> >>>>> * Improve performance of multi-point and multi-range queries (20x plus) >>>>> using new skip scan >>>>> * Support TopN queries (3-70x faster than Hive) >>>>> * Control row key order when defining primary key columns >>>>> * Salt tables declaratively to prevent hot spotting >>>>> * Specify columns dynamically at query time >>>>> * Write Phoenix-compliant HFiles from Pig scripts and Map/Reduce jobs >>>>> * Support SELECT DISTINCT >>>>> * Leverage essential column family feature >>>>> * Bundle command line terminal interface >>>>> * Specify scale and precision on decimal type >>>>> * Support fixed length binary type >>>>> * Add TO_CHAR, TO_NUMBER, COALESCE, UPPER, LOWER, and REVERSE built-in >>>>> functions >>>>> >>>>> HBase 0.94.4 or above is required with HBase 0.94.7 being recommended. >>>>> For >>>>> more detail, please see our announcement: >>>>> http://phoenix-hbase.blogspot. >>>>> **** >>>>> com/2013/05/announcing-******phoenix-12.html<http://** >>>>> phoenix-hbase.blogspot.com/****2013/05/announcing-phoenix-12.****html<http://phoenix-hbase.blogspot.com/**2013/05/announcing-phoenix-12.**html> >>>>> <http://phoenix-hbase.**blogspot.com/2013/05/** >>>>> announcing-phoenix-12.html<http://phoenix-hbase.blogspot.com/2013/05/announcing-phoenix-12.html> >>>>> > >>>>> Regards, >>>>> >>>>> James >>>>> @JamesPlusPlus >>>>> http://phoenix-hbase.blogspot.******com/ <http://phoenix-hbase.** >>>>> blogspot.com/ >>>>> <http://phoenix-hbase.**blogspot.com/<http://phoenix-hbase.blogspot.com/> >>>>> >> >>>>> >>>>> >>>>> >>>> >> >
