Hi Ram, How to drive the data to the specific hourly region? Use the code like http://hbase.apache.org/book/perf.writing.html?
Thanks, Jing Wang 2012/9/5 Ramkrishna.S.Vasudevan <[email protected]> > Hi JingWang > > It is not necessary that region split can cause GC problems. Based on your > use case we may need to configure heapspace for the RS. > Coming back to region splits, presplit of the tables created is a good > option. > Assume a case where I know that the data that is going to come into hbase > is > on a hourly basis. Then one option could be presplit your table based on > the hours and assign the regions in roundrobin fashion to every RS. > This will ensure that any particular hours data will go into one region > specified for that hour only. So after that hour is over the data will be > moving over to another region server. > But here again every hour can be split equally into the different RS like 5 > or 10 regions with in an hour. > These are some ways, but should be chosen as per the data that your cluster > will be operating upon. > > Regards > Ram > > > -----Original Message----- > > From: jing wang [mailto:[email protected]] > > Sent: Wednesday, September 05, 2012 6:42 PM > > To: [email protected] > > Subject: Re: reduce influence of auto-splitting region > > > > Hi Ram, > > > > Thanks for your advice. We did consider what you said. > > As Hbase is used as a realtime storage,just like mysql/oracle. When > > splitted, hbase may lead gc to 'stop the world' or some long time full > > gc. > > Our application can't accpet this. > > > > Thanks, > > Jing Wang > > > > 2012/9/5 Ramkrishna.S.Vasudevan <[email protected]> > > > > > You can use the property hbase.hregion.max.filesize. You can set > > this to a > > > higher value and control the splits through your application. > > > > > > Regards > > > Ram > > > > > > > -----Original Message----- > > > > From: jing wang [mailto:[email protected]] > > > > Sent: Wednesday, September 05, 2012 3:48 PM > > > > To: [email protected] > > > > Subject: reduce influence of auto-splitting region > > > > > > > > Hi there, > > > > > > > > Using Hbase as a realtime storage(7*24h), how to reduce the > > influence > > > > of > > > > region auto-splitting? > > > > Any advice will be appreciated! > > > > > > > > > > > > Thanks, > > > > Jing > > > > > > > >
