yes, right ;) currently, I have just a single region.
in this case, to get a start-key and and end-key, I need to use just a scanner. right? 2012. 10. 19., 오후 5:51, "Ramkrishna.S.Vasudevan" <ramkrishna.vasude...@huawei.com> 작성: > Can you tell me how the splitkeys are formed when the table was created? > Or there are no splits at all for your table? If there are no splits then > you will get empty start and endkey. > > Regards > Ram > >> -----Original Message----- >> From: Henry JunYoung KIM [mailto:henry.jy...@gmail.com] >> Sent: Friday, October 19, 2012 2:13 PM >> To: user@hbase.apache.org >> Subject: HRegionInfo returns empty values. >> >> Hi, hbase-users. >> >> To get a start-key and end-key from each region, I implemented simple >> code like this. >> >> >> >> HTable table = new HTable(admin.getConf(), admin.getTableName()); >> NavigableMap<HRegionInfo, ServerName> locations = >> table.getRegionLocations(); >> for (Map.Entry<HRegionInfo, ServerName> entry: >> locations.entrySet()) { >> HRegionInfo info = entry.getKey(); >> >> System.out.println("server : " + >> entry.getValue().getHostname()); >> System.out.println("start : " + info.getStartKey().length); >> System.out.println("end : " + info.getEndKey().length); >> } >> >> >> but, this code returns >> >> server : one-of-servers-name >> start : 0 >> end : 0 >> >> start-key and end-key is empty. nothing! >> data size is very strong. it's about 10,000. >> from integer 0 to integer 10,000. >> >> how could I get correct range of a region? >> >> thanks for your concerns. >
