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浣滆? Jet Mah from Java鍫?/a>
澹版槑: 鍙互闈炲晢涓氭т換鎰忚漿杞? 杞澆鏃惰鍔″繀浠ヨ秴閾炬帴褰㈠紡鏍囨槑鏂囩珷鍘熷鍑哄銆佷綔鑰呬俊鎭強姝ゅ0鏄庯紒
鍦ㄧ洰鍓嶅箍娉涗嬌鐢ㄧ殑鑻忔矆灝忛洦鍒朵綔鐨勩奀SS 2.0涓枃鎵嬪唽銆嬬殑鍩虹涓婂鍔犱簡绱㈠紩鍔熻兘錛屽叿浣撲俊鎭強涓嬭澆璇瘋闂?CSS Handbook.
MyEclipse鍔熻兘闈炲父鐨勫己澶э紝鐜板湪鍩烘湰鏄嬌鐢‥clipse寮鍙慗avaEE鐨勫繀澶囨彃浠朵簡銆備絾鏄法澶х殑MyEclipse涔熷鑷碋clipse鍚姩鐨勯熷害鍔犳參錛屽彟澶栧紑鍙戠殑榪囩▼涓湁鏃跺欏鏄撻犳垚鐣岄潰“鍋囨”鐨勭姸鍐點?/p>
浠婂ぉ浠嬬粛鍑犱釜浼樺寲MyEclipse鐨勬柟娉?/p>
1. 鍔犲ぇJVM鐨勯潪鍫嗗唴瀛橈紝鍏蜂綋鐨勫仛娉曞拰鍘熷洜鍙傝冩垜鍓嶄竴綃囨枃绔犮?a >鐢盡yEclipse鍐呭瓨涓嶈凍璋堣皥JVM鍐呭瓨銆?/a>
2. 鍘婚櫎涓嶉渶瑕佸姞杞界殑妯″潡
涓涓郴緇?0%鐨勫姛鑳藉線寰鑳藉婊¤凍80%鐨勯渶姹傦紝MyEclipse涔熶笉渚嬪錛屾垜浠湪澶у鏁版椂鍊欏彧闇瑕?0%鐨勭郴緇熷姛鑳斤紝鎵浠ュ彲浠ュ皢涓浜涗笉浣跨敤鐨勬ā鍧楃姝㈠姞杞藉惎鍔ㄣ傞氳繃Windows - Preferences鎵撳紑閰嶇疆紿楀彛錛屼緷嬈¢夋嫨宸︿晶鐨凣eneral - Startup and Shutdown錛岃繖涓椂鍊欏湪鍙充晶灝辨樉紺哄嚭浜咵clipse鍚姩鏃跺姞杞界殑妯″潡錛屽彲浠ユ牴鎹嚜宸辯殑瀹為檯鎯呭喌鍘婚櫎涓浜涙ā鍧椼?/p>
3. 鍙栨秷MyEclipse鍦ㄥ惎鍔ㄦ椂鑷姩楠岃瘉欏圭洰閰嶇疆鏂囦歡
榛樿鎯呭喌涓婱yEclipse鍦ㄥ惎鍔ㄧ殑鏃跺欎細鑷姩楠岃瘉姣忎釜欏圭洰鐨勯厤緗枃浠訛紝榪欐槸涓涓潪甯歌楁椂鐨勮繃紼嬶紝鍙互鍦≒references紿楀彛渚濇閫夋嫨MyEclipse - Validation錛岀劧鍚庡湪鍙充晶鐨刅alidator鍒楄〃涓彧淇濈暀 Manual 欏瑰氨鍙互浜嗐傚鏋滈渶瑕侀獙璇佺殑鏃跺欏彧闇瑕侀変腑鏂囦歡錛岀劧鍚庡彸閿夋嫨 MyEclipse - Run Validation灝卞彲浠ヤ簡銆?/p>
閫氳繃涓婇潰鐨勫嚑涓楠ゅ彲浠ユ湁鏁堜紭鍖朚yEclipse鐨勫惎鍔ㄩ熷害鍜岃繍琛屾晥鐜囷紝濡傛灉浣犺繕鏈夋柊鐨勬柟娉曞彲浠ュ洖澶?
鍙傝冭祫鏂欙細
璁〦clipse蹇熷惎鍔ㄧ殑鏂規硶
濡傛灉娌℃湁榪涜璁劇疆鐨勮瘽錛屽湪浣跨敤MyEclipse鐨勭粡甯稿嚭鐜板涓嬪浘鎵紺哄唴瀛樹笉瓚崇殑鎻愮ず銆?br />
鎻愮ず涓鐨勫緢鏄庣櫧錛?#8220;MyEclipse has detected that less than 5% of the 64MB of Perm Gen (Non-heap memory) space remains.”鎰忔濇槸璇村綋鍓嶅彧鏈夊皬浜?%鐨勯潪鍫嗗唴瀛樻槸絀洪棽鐨勩傛墍浠ユ垜浠彧瑕佸皢榪欎釜鍊艱緗ぇ涓浜涘氨鍙互浜嗐?/p>
鎻愮ず涓粰鍑轟簡璁劇疆鐨勫弬鏁幫細
榪欓噷鏈夊嚑涓棶棰橈細
1. 鍚勪釜鍙傛暟鐨勫惈涔変粈涔堬紵
2. 涓轟粈涔堟湁鐨勬満鍣ㄦ垜灝?Xmx鍜?XX:MaxPermSize閮借緗負512M涔嬪悗Eclipse鍙互鍚姩錛岃屾湁浜涙満鍣ㄦ棤娉曞惎鍔紵
3. 涓轟綍灝嗕笂闈㈢殑鍙傛暟鍐欏叆鍒癳clipse.ini鏂囦歡Eclipse娌℃湁鎵ц瀵瑰簲鐨勮緗紵
涓嬮潰鎴戜滑涓涓榪涜鍥炵瓟
1. 鍚勪釜鍙傛暟鐨勫惈涔変粈涔堬紵
鍙傛暟涓?vmargs鐨勬剰鎬濇槸璁劇疆JVM鍙傛暟錛屾墍浠ュ悗闈㈢殑鍏跺疄閮芥槸JVM鐨勫弬鏁頒簡錛屾垜浠鍏堜簡瑙d竴涓婮VM鍐呭瓨綆$悊鐨勬満鍒訛紝鐒跺悗鍐嶈В閲婃瘡涓弬鏁頒唬琛ㄧ殑鍚箟銆?/p>
鍫?Heap)鍜岄潪鍫?Non-heap)鍐呭瓨
鎸夌収瀹樻柟鐨勮娉曪細“Java 铏氭嫙鏈哄叿鏈変竴涓爢錛屽爢鏄繍琛屾椂鏁版嵁鍖哄煙錛屾墍鏈夌被瀹炰緥鍜屾暟緇勭殑鍐呭瓨鍧囦粠姝ゅ鍒嗛厤銆傚爢鏄湪 Java 铏氭嫙鏈哄惎鍔ㄦ椂鍒涘緩鐨勩?#8221;“鍦↗VM涓爢涔嬪鐨勫唴瀛樼О涓洪潪鍫嗗唴瀛?Non-heap memory)”銆傚彲浠ョ湅鍑篔VM涓昏綆$悊涓ょ綾誨瀷鐨勫唴瀛橈細鍫嗗拰闈炲爢銆傜畝鍗曟潵璇村爢灝辨槸Java浠g爜鍙強鐨勫唴瀛橈紝鏄暀緇欏紑鍙戜漢鍛樹嬌鐢ㄧ殑錛涢潪鍫嗗氨鏄疛VM鐣欑粰鑷繁鐢ㄧ殑錛屾墍浠ユ柟娉曞尯銆丣VM鍐呴儴澶勭悊鎴栦紭鍖栨墍闇鐨勫唴瀛?濡侸IT緙栬瘧鍚庣殑浠g爜緙撳瓨)銆佹瘡涓被緇撴瀯(濡傝繍琛屾椂甯告暟姹犮佸瓧孌靛拰鏂規硶鏁版嵁)浠ュ強鏂規硶鍜屾瀯閫犳柟娉曠殑浠g爜閮藉湪闈炲爢鍐呭瓨涓?鍫嗗唴瀛樺垎閰?/strong>
JVM鍒濆鍒嗛厤鐨勫唴瀛樼敱-Xms鎸囧畾錛岄粯璁ゆ槸鐗╃悊鍐呭瓨鐨?/64錛汮VM鏈澶у垎閰嶇殑鍐呭瓨鐢?Xmx鎸囧畾錛岄粯璁ゆ槸鐗╃悊鍐呭瓨鐨?/4銆傞粯璁ょ┖浣欏爢鍐呭瓨灝忎簬40%鏃訛紝JVM灝變細澧炲ぇ鍫嗙洿鍒?Xmx鐨勬渶澶ч檺鍒訛紱絀轟綑鍫嗗唴瀛樺ぇ浜?0%鏃訛紝JVM浼氬噺灝戝爢鐩村埌-Xms鐨勬渶灝忛檺鍒躲傚洜姝ゆ湇鍔″櫒涓鑸緗?Xms銆?Xmx鐩哥瓑浠ラ伩鍏嶅湪姣忔GC 鍚庤皟鏁村爢鐨勫ぇ灝忋?闈炲爢鍐呭瓨鍒嗛厤
JVM浣跨敤-XX:PermSize璁劇疆闈炲爢鍐呭瓨鍒濆鍊鹼紝榛樿鏄墿鐞嗗唴瀛樼殑1/64錛涚敱XX:MaxPermSize璁劇疆鏈澶ч潪鍫嗗唴瀛樼殑澶у皬錛岄粯璁ゆ槸鐗╃悊鍐呭瓨鐨?/4銆?JVM鍐呭瓨闄愬埗(鏈澶у?
棣栧厛JVM鍐呭瓨闄愬埗浜庡疄闄呯殑鏈澶х墿鐞嗗唴瀛?搴熻瘽錛佸懙鍛?錛屽亣璁劇墿鐞嗗唴瀛樻棤闄愬ぇ鐨勮瘽錛孞VM鍐呭瓨鐨勬渶澶у艱窡鎿嶄綔緋葷粺鏈夊緢澶х殑鍏崇郴銆傜畝鍗曠殑璇村氨32浣嶅鐞嗗櫒铏界劧鍙帶鍐呭瓨絀洪棿鏈?GB,浣嗘槸鍏蜂綋鐨勬搷浣滅郴緇熶細緇欎竴涓檺鍒訛紝榪欎釜闄愬埗涓鑸槸2GB-3GB錛堜竴鑸潵璇碬indows緋葷粺涓嬩負1.5G-2G錛孡inux緋葷粺涓嬩負2G-3G錛夛紝鑰?4bit浠ヤ笂鐨勫鐞嗗櫒灝變笉浼氭湁闄愬埗浜嗐?
2. 涓轟粈涔堟湁鐨勬満鍣ㄦ垜灝?Xmx鍜?XX:MaxPermSize閮借緗負512M涔嬪悗Eclipse鍙互鍚姩錛岃屾湁浜涙満鍣ㄦ棤娉曞惎鍔紵
閫氳繃涓婇潰瀵笿VM鍐呭瓨綆$悊鐨勪粙緇嶆垜浠凡緇忎簡瑙e埌JVM鍐呭瓨鍖呭惈涓ょ錛氬爢鍐呭瓨鍜岄潪鍫嗗唴瀛橈紝鍙﹀JVM鏈澶у唴瀛橀鍏堝彇鍐充簬瀹為檯鐨勭墿鐞嗗唴瀛樺拰鎿嶄綔緋葷粺銆傛墍浠ヨ璁劇疆VM鍙傛暟瀵艱嚧紼嬪簭鏃犳硶鍚姩涓昏鏈変互涓嬪嚑縐嶅師鍥狅細
1) 鍙傛暟涓?Xms鐨勫煎ぇ浜?Xmx錛屾垨鑰?XX:PermSize鐨勫煎ぇ浜?XX:MaxPermSize錛?/p>
2) -Xmx鐨勫煎拰-XX:MaxPermSize鐨勬誨拰瓚呰繃浜咼VM鍐呭瓨鐨勬渶澶ч檺鍒訛紝姣斿褰撳墠鎿嶄綔緋葷粺鏈澶у唴瀛橀檺鍒訛紝鎴栬呭疄闄呯殑鐗╃悊鍐呭瓨絳夌瓑銆傝鍒板疄闄呯墿鐞嗗唴瀛樿繖閲岄渶瑕佽鏄庝竴鐐圭殑鏄紝濡傛灉浣犵殑鍐呭瓨鏄?024MB錛屼絾瀹為檯緋葷粺涓敤鍒扮殑騫朵笉鍙兘鏄?024MB錛屽洜涓烘湁涓閮ㄥ垎琚‖浠跺崰鐢ㄤ簡銆?
3. 涓轟綍灝嗕笂闈㈢殑鍙傛暟鍐欏叆鍒癳clipse.ini鏂囦歡Eclipse娌℃湁鎵ц瀵瑰簲鐨勮緗紵
閭d負浠涔堝悓鏍風殑鍙傛暟鍦ㄥ揩鎹鋒柟寮忔垨鑰呭懡浠よ涓湁鏁堣屽湪eclipse.ini鏂囦歡涓槸鏃犳晥鐨勫憿錛熻繖鏄洜涓烘垜浠病鏈夐伒瀹坋clipse.ini鏂囦歡鐨勮緗鍒欙細
鍙傛暟褰㈠“欏?鍊?#8221;榪欑褰㈠紡錛屼腑闂存湁絀烘牸鐨勯渶瑕佹崲琛屼功鍐欙紝濡傛灉鍊間腑鏈夌┖鏍肩殑闇瑕佺敤鍙屽紩鍙峰寘鎷搗鏉ャ傛瘮濡傛垜浠嬌鐢?vm C:\Java\jre1.6.0\bin\javaw.exe鍙傛暟璁劇疆铏氭嫙鏈猴紝鍦╡clipse.ini鏂囦歡涓鍐欐垚榪欐牱錛?/p>
- -vm
- C:\Java\jre1.6.0\bin\javaw.exe
鎸夌収涓婇潰鎵璇寸殑錛屾渶鍚庡弬鏁板湪eclipse.ini涓彲浠ュ啓鎴愯繖涓牱瀛愶細
瀹為檯榪愯鐨勭粨鏋滃彲浠ラ氳繃Eclipse涓?#8220;Help”-“About Eclipse SDK”紿楀彛閲岄潰鐨?#8220;Configuration Details”鎸夐挳榪涜鏌ョ湅銆?/p>
鍙﹀闇瑕佽鏄庣殑鏄紝Eclipse鍘嬬緝鍖呬腑鑷甫鐨別clipse.ini鏂囦歡鍐呭鏄繖鏍風殑錛?/p>
鍏朵腑–launcher.XXMaxPermSize錛堟敞鎰忔渶鍓嶉潰鏄袱涓繛鎺ョ嚎錛夎窡-XX:MaxPermSize鍙傛暟鐨勫惈涔夊熀鏈槸涓鏍風殑錛屾垜瑙夊緱鍞竴鐨勫尯鍒氨鏄墠鑰呮槸eclipse.exe鍚姩鐨勬椂鍊欒緗殑鍙傛暟錛岃屽悗鑰呮槸eclipse鎵浣跨敤鐨凧VM涓殑鍙傛暟銆傚叾瀹炰簩鑰呰緗竴涓氨鍙互浜嗭紝鎵浠ヨ繖閲屽彲浠ユ妸–launcher.XXMaxPermSize鍜屼笅涓琛屼嬌鐢?娉ㄩ噴鎺夈?/p>
鍙傝冭祫鏂欙細
JDK5.0鍨冨溇鏀墮泦浼樺寲涔?#8211;Don’t Pause
鎻愰棶錛氬浣曡秴瓚奐VM鍐呭瓨闄愬埗錛?/a>
MemoryMXBean (Java 2 Platform SE 5.0)
MyEclipse/Eclipse鐨勫唴瀛樹紭鍖栦笌鍐呭瓨涓嶈凍鐨勮В鍐沖姙娉?/a>
eclipse.ini鏂囦歡鐨勯棶棰?/a>
eclipse 涓轟粈涔堟姤閿?/a>