Hbase架构 Hbase Region的拆分和合并
Hbase架构
Hbase Region的拆分和合并
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help 'split'
hbase(main):035:0> scan 'hbase:meta'
ROW COLUMN+CELL
t1,,1530806198356.7f0f2d9ea8d column=info:regioninfo, timestamp=1530806199040, value={ENCODED => 7f0f2d9ea8d2274067b8
2274067b881ffa2858201. 81ffa2858201, NAME => 't1,,1530806198356.7f0f2d9ea8d2274067b881ffa2858201.', STARTKEY =
> '', ENDKEY => ''}
t1,,1530806198356.7f0f2d9ea8d column=info:seqnumDuringOpen, timestamp=1530806199040, value=\x00\x00\x00\x00\x00\x00\x
2274067b881ffa2858201. 00\x02
t1,,1530806198356.7f0f2d9ea8d column=info:server, timestamp=1530806199040, value=slave1:16020
2274067b881ffa2858201.
t1,,1530806198356.7f0f2d9ea8d column=info:serverstartcode, timestamp=1530806199040, value=1530800858694
2274067b881ffa2858201. hbase(main):036:0> split 't1','row5'hbase(main):037:0> scan 'hbase:meta'
ROW COLUMN+CELL
t1,,1530806198356.7f0f2d9ea8d column=info:regioninfo, timestamp=1530806548876, value={ENCODED => 7f0f2d9ea8d2274067b8
2274067b881ffa2858201. 81ffa2858201, NAME => 't1,,1530806198356.7f0f2d9ea8d2274067b881ffa2858201.', STARTKEY =
> '', ENDKEY => '', OFFLINE => true, SPLIT => true}
t1,,1530806198356.7f0f2d9ea8d column=info:seqnumDuringOpen, timestamp=1530806199040, value=\x00\x00\x00\x00\x00\x00\x
2274067b881ffa2858201. 00\x02
t1,,1530806198356.7f0f2d9ea8d column=info:server, timestamp=1530806199040, value=slave1:16020
2274067b881ffa2858201.
t1,,1530806198356.7f0f2d9ea8d column=info:serverstartcode, timestamp=1530806199040, value=1530800858694
2274067b881ffa2858201.
t1,,1530806198356.7f0f2d9ea8d column=info:splitA, timestamp=1530806548876, value={ENCODED => fd3edcb4a6a379e1d02a09bf
2274067b881ffa2858201. fb2c000e, NAME => 't1,,1530806548546.fd3edcb4a6a379e1d02a09bffb2c000e.', STARTKEY => ''
, ENDKEY => 'row5'}
t1,,1530806198356.7f0f2d9ea8d column=info:splitB, timestamp=1530806548876, value={ENCODED => 8d9e7d15ef84880fe64fee29
2274067b881ffa2858201. e9f963c9, NAME => 't1,row5,1530806548546.8d9e7d15ef84880fe64fee29e9f963c9.', STARTKEY =
> 'row5', ENDKEY => ''}
t1,,1530806548546.fd3edcb4a6a column=info:regioninfo, timestamp=1530806548996, value={ENCODED => fd3edcb4a6a379e1d02a
379e1d02a09bffb2c000e. 09bffb2c000e, NAME => 't1,,1530806548546.fd3edcb4a6a379e1d02a09bffb2c000e.', STARTKEY =
> '', ENDKEY => 'row5'}
t1,,1530806548546.fd3edcb4a6a column=info:seqnumDuringOpen, timestamp=1530806548996, value=\x00\x00\x00\x00\x00\x00\x
379e1d02a09bffb2c000e. 00\x10
t1,,1530806548546.fd3edcb4a6a column=info:server, timestamp=1530806548996, value=slave1:16020
379e1d02a09bffb2c000e.
t1,,1530806548546.fd3edcb4a6a column=info:serverstartcode, timestamp=1530806548996, value=1530800858694
379e1d02a09bffb2c000e.
t1,row5,1530806548546.8d9e7d1 column=info:regioninfo, timestamp=1530806548990, value={ENCODED => 8d9e7d15ef84880fe64f
5ef84880fe64fee29e9f963c9. ee29e9f963c9, NAME => 't1,row5,1530806548546.8d9e7d15ef84880fe64fee29e9f963c9.', STARTK
EY => 'row5', ENDKEY => ''}
t1,row5,1530806548546.8d9e7d1 column=info:seqnumDuringOpen, timestamp=1530806548990, value=\x00\x00\x00\x00\x00\x00\x
5ef84880fe64fee29e9f963c9. 00\x11
t1,row5,1530806548546.8d9e7d1 column=info:server, timestamp=1530806548990, value=slave1:16020
5ef84880fe64fee29e9f963c9.
t1,row5,1530806548546.8d9e7d1 column=info:serverstartcode, timestamp=1530806548990, value=1530800858694
5ef84880fe64fee29e9f963c9.
4 row(s) in 0.0760 seconds
合并区域
help 'merge_region'
hbase(main):002:0> merge_region 'fd3edcb4a6a379e1d02a09bffb2c000e','8d9e7d15ef84880fe64fee29e9f963c9'hbase(main):003:0> scan 'hbase:meta'
ROW COLUMN+CELL
t1,,1530807155134.02a60a9ae01 column=info:mergeA, timestamp=1530807155366, value=PBUF\x08\xC2\xF0\xB8\xD9\xC6,\x12\x0
9186e39f825a13f75e52c. D\x0A\x07default\x12\x02t1\x1A\x00"\x04row5(\x000\x008\x00
t1,,1530807155134.02a60a9ae01 column=info:mergeB, timestamp=1530807155366, value=PBUF\x08\xC2\xF0\xB8\xD9\xC6,\x12\x0
9186e39f825a13f75e52c. D\x0A\x07default\x12\x02t1\x1A\x04row5"\x00(\x000\x008\x00
t1,,1530807155134.02a60a9ae01 column=info:regioninfo, timestamp=1530807155457, value={ENCODED => 02a60a9ae019186e39f8
9186e39f825a13f75e52c. 25a13f75e52c, NAME => 't1,,1530807155134.02a60a9ae019186e39f825a13f75e52c.', STARTKEY =
> '', ENDKEY => ''}
t1,,1530807155134.02a60a9ae01 column=info:seqnumDuringOpen, timestamp=1530807155457, value=\x00\x00\x00\x00\x00\x00\x
9186e39f825a13f75e52c. 00\x12
t1,,1530807155134.02a60a9ae01 column=info:server, timestamp=1530807155457, value=slave1:16020
9186e39f825a13f75e52c.
t1,,1530807155134.02a60a9ae01 column=info:serverstartcode, timestamp=1530807155457, value=1530800858694
9186e39f825a13f75e52c. 查看表中的数据scan
hbase(main):004:0> scan 't1'
ROW COLUMN+CELL
row1 column=f1:name, timestamp=1530806250885, value=jhy
row10 column=f1:age, timestamp=1530806398543, value=15
row2 column=f1:age, timestamp=1530806285995, value=11
row3 column=f1:name, timestamp=1530806304461, value=jq
row4 column=f1:age, timestamp=1530806319056, value=12
row5 column=f1:age, timestamp=1530806327636, value=13
row6 column=f1:name, timestamp=1530806339104, value=je
row7 column=f1:name, timestamp=1530806355273, value=jr
row8 column=f1:age, timestamp=1530806365521, value=14
row9 column=f1:name, timestamp=1530806376306, value=jt 数据格式整理前：
hbase:namespace,,152984229398 column=info:regioninfo, timestamp=1530800884101, value={ENCODED => 619ca07293413505238b
5.619ca07293413505238b9027287 9027287604f5, NAME => 'hbase:namespace,,1529842293985.619ca07293413505238b9027287604f5.
604f5. ', STARTKEY => '', ENDKEY => ''}
hbase:namespace,,152984229398 column=info:seqnumDuringOpen, timestamp=1530800884101, value=\x00\x00\x00\x00\x00\x00\x
5.619ca07293413505238b9027287 00
604f5.
hbase:namespace,,152984229398 column=info:server, timestamp=1530800884101, value=master:16020
5.619ca07293413505238b9027287
604f5.
hbase:namespace,,152984229398 column=info:serverstartcode, timestamp=1530800884101, value=1530800863510
5.619ca07293413505238b9027287
604f5. 数据整理后：
hbase:namespace,,1529842293985.619ca07293413505238b9027287604f5. column=info:regioninfo,
timestamp=1530800884101,
value={ENCODED => 619ca07293413505238b9027287604f5,
NAME => 'hbase:namespace,,1529842293985.619ca07293413505238b9027287604f5.',
STARTKEY => '',
ENDKEY => ''}
hbase:namespace,,1529842293985.619ca07293413505238b9027287604f5. column=info:seqnumDuringOpen,
timestamp=1530800884101,
value=\x00\x00\x00\x00\x00\x00\x00
hbase:namespace,,1529842293985.619ca07293413505238b9027287604f5. column=info:server,
timestamp=1530800884101,
value=master:16020
hbase:namespace,,1529842293985.619ca07293413505238b9027287604f5. column=info:serverstartcode,
timestamp=1530800884101,
value=1530800863510