| 澶辨晥閾炬帴澶勭悊 |
|
Oracle鏁版嵁搴撴湇鍔″櫒IO楂樼殑鍒嗘瀽鏂規(guī)鍜屾渚嬫帰璁?PDF 涓嬭澆
鏈珯鏁寸悊涓嬭澆錛?/strong>
閾炬帴錛?a target="_blank">https://pan.baidu.com/s/1d3xb69ZHzG4BV201aKDMnQ
鎻愬彇鐮侊細(xì)4tbh
鐩稿叧鎴浘錛?/strong>
涓昏鍐呭錛?/strong>
鍙互鐪嬪埌錛?/div>
1) 鎺掑悕絎竴鐨?SQL 璇彞錛屽崰浜?jiǎn)鏁翠釜鏁版嵁搴撴湇鍔″?IO 鐨?99.79%
2) 涓€鍏辨墽琛屼簡(jiǎn) 8 嬈★紝姣忔鎵ц鍙戠敓鐨?IO 鏄?2錛?29錛?53 涓?BLOCK錛?/div>
涓€涓?BLOCK 鏄?8K錛屽嵆姣忔鎵ц璇?SQL錛屽皢鍙戠敓 2錛?29錛?53*8K=16.24G
鐭ヨ瘑鐐癸細(xì)
BLOCK 鏄?ORACLE 鏁版嵁鏂囦歡鐨勬渶灝忓垎閰嶅崟鍏冿紝綾諱技 LV 鐨?PP錛屾暟鎹氨瀛?/div>
鍌ㄥ湪 BLOCK 涓紝涓€涓?BLOCK 鍙互瀛樺偍鍑犲崄鍒板嚑鐧炬潯涓嶇瓑鐨勭敤鎴瘋〃鐨勬暟鎹€?/div>
鏄笉鏄緢綆€鍗曪紵
褰撶劧錛屽ぇ瀹朵篃鍙互鐢ㄦ搷浣滅郴緇熺殑鍛戒護(hù)涔熷彲浠ョ湅鍒拌繘紼嬬駭鐨?IO 鍒嗗竷鎯呭喌銆?/div>
渚嬪 Linux 鐜涓嬮€氳繃 pidstat -d 鍙互鐩戞帶鍝釜榪涚▼ IO 娑堣€楄緝楂樸€?/div>
褰撶劧錛岄噰鐢ㄦ搷浣滅郴緇熸柟寮忔煡鐪嬭繘紼嬬駭鍒殑 IO 鍒嗗竷鐨勬柟寮忕殑緙虹偣鏄緢鏄劇劧
鐨勶紝鏇村彲鎬曠殑鏄紝榪欒〃鏄庝綘渚濈劧鍦ㄦ妸鏁版嵁搴撳綋榛戠洅瀛愭潵鐪嬪緟錛岃繘紼嬪叿浣撳湪鍋氫粈
涔堬紵涓轟粈涔?IO 閭ｄ箞楂橈紵
鎴戜滑闇€瑕佺戶緇線鍓嶄竴姝ャ€?/div>
|
| Java1234瀹樻柟緹?5錛?/td> | 
|
| Java1234瀹樻柟緹?5錛?/td> | 838462530 |
鑻忓叕緗戝畨澶?32061202001004鍙?/p>
