嫻嬭瘯鐜
Java 錛?/span> JDK1.6
Tomcat錛?/span> Tomcat 5.5
Eclipse Memory Analyzer錛?/span>EMA 1.2.1錛堢洿鎺ュ幓Eclipse涓嬭澆錛屾棤闇瀹夎鍝堬級
鑾峰緱Heap Dump鏂囦歡
Eclipse Memory Analyzer鏄拡瀵?/span>Heap Dump鏂囦歡榪涜鍒嗘瀽鐨勶紝鍥犳絎竴姝ュ氨鏄鑾峰緱Heap Dump鏂囦歡銆?/span>
姝ラ錛?/span>
鑾峰緱綰跨▼ID銆?/span>鍚姩jconsole.exe,瀹?/span>浣嶄簬jdk鐩綍涓嬬殑bin鐩綍錛?/span>jconsole鏄?/span>jdk鑷甫鐨勪竴涓唴瀛樺垎鏋愬伐鍏鳳紝瀹冩彁渚涗簡鍥懼艦鐣岄潰銆傚彲浠ユ煡鐪嬪埌琚洃鎺х殑jvm鐨勫唴瀛樹俊鎭紝綰跨▼淇℃伅錛岀被鍔犺澆淇℃伅錛?/span>MBean淇℃伅銆?br />
姝ゅ鎴戜滑鍙互鎵懼埌闇瑕佹嫻嬬殑Tomcat鐨勭嚎紼?/span>ID銆?/span>
鑾峰緱Heap Dump鏂囦歡銆?/span>浣跨敤jmap鏉ヨ幏寰?/span>Heap Dump鏂囦歡錛屽懡浠よ濡備笅錛?/span>
jmap -dump:format=b,file=heap.bin 3888
姝ゅ3888灝辨槸Tomcat瀵瑰簲鐨勭嚎紼?/span>ID
鐢熸垚鍒嗘瀽鎶ュ憡
鍚姩MemoryAnalyzer.exe錛屾墦寮鎸囧畾鐨?/span>Heap Dump鏂囦歡銆?/span>File -> Open Heap Dump
MAT閽堝鎸囧畾鐨?/span>Heap Dump鏂囦歡榪涜鍒嗘瀽錛岀敓鎴愬唴瀛樻硠闇叉嫻嬫姤鍛?br />
鐪嬫噦鍒嗘瀽鎶ュ憡
瑕佹兂鐪嬫噦EAT鐨勬姤鍛婏紝涓庡叾鍒扮綉涓婂幓鎵懼悇縐嶇璐達(dá)紝涓嶅鑰佽佸疄瀹炴壘鏈功錛屽厛綆鍗曞涔?fàn)涓?/span>JVM鐨?/span>Heap鏄庝箞宸ヤ綔婊達(dá)紵gc鐨勫ぇ姒備竴涓伐浣滄満鍒躲傚惁鍒?/span>EAT鐨勬姤鍛婂氨鍍忓ぉ涔︿竴鏍楓?/span>EAT鍙槸宸ュ叿錛屼笉鏄洰鐨勩?/span>