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]> 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:;>> > 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:;> // @jmhsieh > -- Regards, Atri *l'apprenant*
