James Taylor 2013-05-16, 19:29
anil gupta 2013-05-16, 21:02
James Taylor 2013-05-16, 23:15
anil gupta 2013-05-17, 00:33
-Re: [ANNOUNCE] Phoenix 1.2 is now available
James Taylor 2013-05-17, 16:14
Yes, everything is in the Phoenix GitHub repo. Will give you more detail
of specific packages and classes off-list.
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.
> Anil Gupta
> On Thu, May 16, 2013 at 4:15 PM, James Taylor <[EMAIL PROTECTED]>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.
>> 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
>>> I am interested in
>>> knowing the details about that implementation.
>>> Anil Gupta
>>> On Thu, May 16, 2013 at 12:29 PM, James Taylor <[EMAIL PROTECTED]
>>> We are pleased to announce the immediate availability of Phoenix 1.2 (
>>>> 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
>>>> HBase 0.94.4 or above is required with HBase 0.94.7 being recommended.
>>>> more detail, please see our announcement: http://phoenix-hbase.blogspot.
>>>> http://phoenix-hbase.blogspot.****com/ <http://phoenix-hbase.**
>>>> blogspot.com/ <http://phoenix-hbase.blogspot.com/>>
Azuryy Yu 2013-05-20, 11:07
James Taylor 2013-05-20, 15:56