Hi there- You might want to see this in the Ref Guide.
http://hbase.apache.org/book.html#arch.catalog "A region with an empty start key is the first region in a table. If region has both an empty start and an empty end key, its the only region in the table" On 3/5/12 7:27 AM, "yonghu" <[email protected]> wrote: >Hello, > >My HBase version is 0.90.2 and installed in pseudo mode. I have >successfully inserted two tuples in the 'test' table. >hbase(main):005:0> scan 'test' >ROW COLUMN+CELL > jim column=course:english, >timestamp=1330949116240, value=1.3 > tom column=course:english, >timestamp=1330949141314, value=1.5 >2 row(s) in 0.0440 seconds > >But when I issued scan 'META.' command, the output is as follows >hbase(main):004:0> scan '.META.' >ROW COLUMN+CELL > test,,1330949037296.78209 column=info:regioninfo, >timestamp=1330949037572, value=REGION => {NAME => > 59e66aaca7a4a1e736937cdba >'test,,1330949037296.7820959e66aaca7a4a1e736937cdba89.', STARTKEY => >'', > 89. ENDKEY => '', ENCODED => >7820959e66aaca7a4a1e736937cdba89, TABLE => {{NA > ME => 'test', FAMILIES => [{NAME => >'course', BLOOMFILTER => 'NONE', REPL > ICATION_SCOPE => '0', COMPRESSION => >'NONE', VERSIONS => '3', TTL => '214 > 7483647', BLOCKSIZE => '65536', IN_MEMORY >=> 'false', BLOCKCACHE => 'true > '}]}} > test,,1330949037296.78209 column=info:server, >timestamp=1330949037730, value=huyong-laptop:60020 > 59e66aaca7a4a1e736937cdba > 89. > test,,1330949037296.78209 column=info:serverstartcode, >timestamp=1330949037730, value=1330944724819 > 59e66aaca7a4a1e736937cdba > 89. >1 row(s) in 0.0310 seconds > >My question is that why the startkey and endkey fields are empty? As >you see, the test table has two tuples. > >Thanks. > >Yong >
