hbase

1.绠€浠嬶細

HBase 鈥?Hadoop Database锛屾槸涓€涓珮鍙潬鎬с€侀珮鎬ц兘銆侀潰鍚戝垪銆佸彲浼哥缉鐨勫垎甯冨紡瀛樺偍绯荤粺锛屽埄鐢℉Base鎶€鏈彲鍦ㄥ粔浠稰C Server涓婃惌寤鸿捣澶ц妯＄粨鏋勫寲瀛樺偍闆嗙兢

2.HBase鍜孯DBMS鐨勫叧绯?


RDBMS(Relation DabaBase Management System-鍏崇郴鏁版嵁搴?:鐢卞叧绯绘ā鍨嬫瀯鎴愮殑鏁版嵁搴撳氨鏄叧绯绘暟鎹簱銆傚叧绯绘暟聽 鎹簱鐢卞寘鍚暟鎹褰曠殑澶氫釜鏁版嵁琛ㄧ粍鎴愶紝鐢ㄦ埛鍙湪鏈夌浉鍏虫暟鎹殑澶氫釜琛ㄤ箣闂村缓绔嬬浉浜掕仈绯汇€傚湪鍏崇郴鏁版嵁搴撲腑锛屾暟鎹鍒嗘暎鍒颁笉鍚岀殑鏁版嵁琛ㄤ腑锛屼互渚夸娇姣忎竴涓〃涓殑鏁?鎹彧璁板綍涓€娆★紝浠庤€岄伩鍏嶆暟鎹殑閲嶅杈撳叆锛屽噺灏戝啑浣欍€?


聽聽 1)鍏崇郴鏁版嵁搴撶殑涓昏鐗圭偣锛?

聽聽聽聽聽聽 a.鍏崇郴绯讳腑鐨勬瘡涓睘鎬у繀椤绘槸涓嶅彲鍒嗗壊鐨勬暟鎹崟鍏冿紙鍗宠〃涓笉鑳藉啀鍖呭惈琛級銆?

聽聽聽聽聽聽 b.鍏崇郴涓殑姣忎竴鍒楀厓绱犲繀椤绘槸绫诲瀷鐩稿悓鐨勬暟鎹€?

聽聽聽聽聽聽 c.鍚屼竴涓叧绯讳腑涓嶈兘鏈夌浉鍚岀殑瀛楁锛堝睘鎬э級锛屼篃涓嶈兘鏈夌浉鍚岀殑璁板綍銆?

聽聽聽聽聽聽 d.鍏崇郴鐨勮銆佸垪娆″簭鍙互浠绘剰浜ゆ崲锛屼笉褰卞搷鍏朵俊鎭唴瀹广€?

聽聽聽 2)Hbase閲岄潰鏈変互涓?涓富瑕佹蹇碉細

聽聽聽聽聽聽聽聽 Rowkey: Hbase 涓殑璁板綍鏄寜鐓owkey鏉ユ帓搴忕殑;鍥犳鎯崇敤hbase瀛樺偍鏁版嵁璁捐濂絩ow-key寰堥噸瑕?

聽聽聽聽聽聽聽聽 Column family锛?鍒楁棌)鏄湪绯荤粺鍚姩涔嬪墠棰勫厛瀹氫箟濂界殑;鍙湁澶氫釜鍒楃皣,鍙姩鎬佸鍔?涓€涓垪绨囧彲鍖呭惈澶氫釜鍒?

聽聽聽聽聽聽聽聽 Hbase浼樼己鐐癸細聽聽聽聽聽聽

聽聽聽聽聽聽聽聽聽 1.涓嶆敮鎸佹潯浠舵煡璇互鍙妎rderby绛夋煡璇?

聽聽聽聽聽聽聽聽聽 2.鍒楀彲浠ュ姩鎬佸鍔狅紝鍒椾负绌哄垯涓嶅瓨鍌ㄦ暟鎹紝鑺傜渷瀛樺偍绌洪棿;

聽聽聽聽聽聽聽聽聽 3.浼氳嚜鍔ㄥ垏鍒嗘暟鎹?

聽聽聽聽聽聽聽聽聽 4.鍙互鎻愪緵楂樺苟鍙戣鍐欐搷浣滅殑鏀寔;

3.琛ㄨВ鏋?

聽聽聽 row-key锛歨base鏄熀浜庡垪鐨勫瓨鍌ㄦā寮?鎵€璋撶殑鍩轰簬鍒?HBase)灏辨槸鍩轰簬row-key鐨勫瓨鍌ㄦā寮?row-key 鐩稿綋浜庡叧绯绘暟鎹簱琛ㄧ殑涓婚敭
聽聽聽 鏌ヨ鐨勬椂鍊欐牴鎹畆ow-key鍘绘煡璇?

聽聽聽 鍒楃皣锛歨base琛ㄤ腑鐨勬瘡涓€鍒楅兘褰掑睘涓轰竴涓垪绨?鍒楃皣鏄〃鐨剆chema鐨勪竴閮ㄥ垎(鍒椾笉鏄?,蹇呴』鍦ㄤ娇鐢ㄨ〃涔嬪墠瀹氫箟,鍒楀悕閮芥槸浠ュ垪绨囦负鍓嶇紑

聽聽聽聽聽聽聽聽聽 濡傦細Column family锛歵est1(test1涓哄垪)

聽聽聽聽聽聽聽聽聽聽聽聽聽 Column family锛歵est2

聽聽聽聽聽聽聽聽聽 濡備笂锛歵est1,test2 閮芥槸鍒楃皣 Column family 鐨勫垪

聽聽聽聽聽聽聽聽聽 *璁块棶鎺у埗銆佺鐩樺拰鍐呭瓨鐨勪娇鐢ㄧ粺璁￠兘鏄湪鍒楁棌灞傞潰杩涜鐨勩€偮犅犅犅犅?

聽聽聽 鏃堕棿鎴筹細HBase涓€氳繃row鍜宑olumns纭畾鐨勪负涓€涓瓨璐崟鍏冪О涓篶ell銆?

聽聽聽聽聽聽聽聽聽聽聽 姣忎釜 cell閮戒繚瀛樼潃鍚屼竴浠芥暟鎹殑澶氫釜鐗堟湰銆傜増鏈€氳繃鏃堕棿鎴虫潵绱㈠紩銆?

聽聽聽聽聽聽聽聽聽聽聽 鏃堕棿鎴崇殑绫诲瀷鏄?64浣嶆暣鍨嬨€傛椂闂存埑鍙互鐢県base(鍦ㄦ暟鎹啓鍏ユ椂鑷姩 )璧嬪€硷紝
聽聽聽聽聽聽聽聽聽聽聽 姝ゆ椂鏃堕棿鎴虫槸绮剧‘鍒版绉掔殑褰撳墠绯荤粺鏃堕棿銆傛椂闂存埑涔熷彲浠ョ敱瀹㈡埛鏄惧紡璧嬪€笺€?

聽聽聽聽聽聽聽聽聽聽聽 濡傛灉搴旂敤绋嬪簭瑕侀伩鍏嶆暟鎹増鏈啿绐侊紝灏卞繀椤昏嚜宸辩敓鎴愬叿鏈夊敮涓€鎬х殑鏃堕棿鎴炽€?

聽聽聽聽聽聽聽聽聽聽聽 姣忎釜 cell涓紝涓嶅悓鐗堟湰鐨勬暟鎹寜鐓ф椂闂村€掑簭鎺掑簭锛屽嵆鏈€鏂扮殑鏁版嵁鎺掑湪鏈€鍓嶉潰銆?

聽聽聽聽聽聽聽聽聽聽聽 褰撲綘鎻掑叆涓€涓暟鍊肩殑鏃跺€欙紝濡傛灉涓嶆墜宸ュ啓鏃堕棿鎴筹紝绯荤粺浼氳嚜鍔ㄧ敓鎴愪竴涓€傚綋浣犲湪hbase shell涓媠can鏌愪釜鍏蜂綋琛ㄧ殑鏃跺€欙紝鍙互鐪嬪埌涓€澶у爢鐨勬椂闂存埑聽聽聽聽
聽聽聽聽聽聽聽聽聽聽

4.浼樼己鐐?

聽聽 a.鍒楃殑鍙互鍔ㄦ€佸鍔狅紝骞朵笖鍒椾负绌哄氨涓嶅瓨鍌ㄦ暟鎹?鑺傜渷瀛樺偍绌洪棿.

聽聽 b.Hbase鑷姩鍒囧垎鏁版嵁锛屼娇寰楁暟鎹瓨鍌ㄨ嚜鍔ㄥ叿鏈夋按骞硈calability.

聽聽 c.Hbase鍙互鎻愪緵楂樺苟鍙戣鍐欐搷浣滅殑鏀寔

聽聽 d.涓嶈兘鏀寔鏉′欢鏌ヨ锛屽彧鏀寔鎸夌収Row key鏉ユ煡璇?