Hi, Wail We are doing some work about how to construct the histogram (both equal-width and equal-height) on the fly, and will further apply it onto our parallel sort code base. Just ping us if you need more information. Hope to talk/study more advanced features of histogram with you. Best, Wenhai
> -----原始邮件----- > 发件人: "Mike Carey" <[email protected]> > 发送时间: 2015年12月18日 星期五 > 收件人: [email protected] > 抄送: > 主题: Re: Histograms and statistics on Asterix > > @Pouria - Please send Wail a final PDF of the BigFUN benchmark paper (as > well as making sure Ian has a copy to put in the pubs area of the website). > > @Wenhai/@Ildar - Please speak up. :-) > > > On 12/18/15 7:23 AM, Wail Alkowaileet wrote: > > Good to know. > > Is there any type of design document ? > > > > P.S. Sattam told me that there was some sort of a comparative study shows > > the difference in performance of open vs. closed types. Where can I find it? > > > > Thanks! > > > > On Thu, Dec 17, 2015 at 9:16 PM, Mike Carey <[email protected]> wrote: > > > >> Ildar is working on that (camping on the LSM lifecycle) and Wenhai is > >> doing some work on histograms that's intended for in-flight use during > >> query processing (to do dynamic partitioning, e.g., during parallel sorts > >> and joins). > >> > >> > >> On 12/17/15 1:53 AM, Wail Alkowaileet wrote: > >> > >>> Hi Devs, > >>> > >>> I want to ask if there's any on going work on building histograms and > >>> stats > >>> for Asterix ? > >>> > >> > > >
