Hi Ted, I am looking at some sort of storage level or query engine project. If possible, I would like to add and improve aggregate and analytical sort of queries in HBase.
I am trying to re setup an installation on my laptop right now. Regards, Atri On Sunday, March 2, 2014, Ted Yu <[email protected]> wrote: > Atri: > What level of project do you want to work on ? > Do you have access to cluster ? > > There're many open JIRAs in HBase. > Recommendation can be made based on your interest. > > > > On Sat, Mar 1, 2014 at 7:00 PM, Atri Sharma > <[email protected]<javascript:;>> > wrote: > > > Thanks guys. > > > > Is there anything I could work on? I was searching for a project to > > contribute but couldn't find it. Please help > > > > Regards, > > > > Atri > > > > On Sunday, March 2, 2014, Jonathan Hsieh <[email protected]<javascript:;>> > wrote: > > > > > It is in 0.95/0.96/0.98 releases. > > > > > > > > > On Sat, Mar 1, 2014 at 12:01 PM, Atri Sharma > > > <[email protected]<javascript:;> > > <javascript:;>> > > > wrote: > > > > > > > Hi all, > > > > > > > > Just as a theoretical interest, do we support online merging of > Regions > > > in > > > > any way? Are there ways to merge Regions while still supporting reads > > and > > > > writes to them? > > > > > > > > If not, can we do them in the following manner: > > > > > > > > At each major delete/explicit order from user to merge Regions, we > can > > > > create a new empty memstore which will take any reads for the Region > in > > > > discussion. Then, we can build a leftist tree of the Region and store > > it > > > in > > > > the memory itself. We so not need to write it into disk yet. This > shall > > > > also allow us to serve reads using the Region itself without any > extra > > > > additional copies. > > > > > > > > We do it for all the Regions being merged and then merge the leftist > > > trees > > > > made ordered by the range of keys served by the Regions. We then > > traverse > > > > the final all merged leftist tree, write its data to a HFile and > write > > > the > > > > new memstore being used for write's data into the HFile as well. > > > > > > > > It's just a thought.Please let me know your feedback and comments on > > it. > > > > > > > > Regards, > > > > > > > > Atri > > > > > > > > > > > > > > > > -- > > > > Regards, > > > > > > > > Atri > > > > *l'apprenant* > > > > > > > > > > > > > > > > -- > > > // Jonathan Hsieh (shay) > > > // HBase Tech Lead, Software Engineer, Cloudera > > > // [email protected] <javascript:;> <javascript:;> // @jmhsieh > > > > > > > > > -- > > Regards, > > > > Atri > > *l'apprenant* > > > -- Regards, Atri *l'apprenant*
