【正文】
發(fā)起的connect request。HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters key:MaxUserPort = dword:00004e20 (20,000 decimal)TcpTimedWaitDelay = dword:0000001e (30 decimal) weblogic中影響性能的參數(shù)總結(jié) LoadRunner測試詳情:。 這句代碼刪掉。(4) 在Method Profiler屬性頁中添加你所需要觀察的類的成員方法。m_strMsg = create sheep.concat(((x)))。這也可以說是JRockit JVM相對(duì)于其他JVM在功能上的一大優(yōu)勢(shì)。三.Command Line Options by Name 啟動(dòng)JRockit時(shí),可以帶一些X選項(xiàng),這些選項(xiàng)是非JVM標(biāo)準(zhǔn)的,專門用于配置JRockit的性能。6.調(diào)整線程選項(xiàng)當(dāng)大量地使用了線程時(shí)(超過100個(gè)),需要調(diào)整線程選項(xiàng):1. 使用thin線程選項(xiàng)。3. 設(shè)置nursery尺寸。最小線程尺寸定義如下:1. thin threads:最小線程棧尺寸為8K,缺省為64K;2. native threads:最小線程棧尺寸為16K如果Xss設(shè)置小于最小值,則自動(dòng)使用最小值。如果你的JAVA應(yīng)用程序在運(yùn)行時(shí)出現(xiàn)了Out of memory的錯(cuò)誤,你就需要調(diào)大最大堆尺寸。 BEA WebLogic JRockit的使用和性能調(diào)優(yōu)一.JRockit調(diào)優(yōu)簡介 JRockit是一個(gè)自適應(yīng)的JVM,它能夠自動(dòng)調(diào)整自己去適應(yīng)底層硬件,因此對(duì)它的調(diào)優(yōu)主要集中在一些需要人工干預(yù)的參數(shù)上,比如說:需要?jiǎng)澐侄嗌賀AM給JRockit使用等。 threadsmaximum400/threadsmaximum】【:根據(jù)客戶的要求,我們?cè)趙ebblogic10上測試wicket框架的性能。t drag the value over the 5% limit, I am much less likely to get an alert.The navigation path in WebLogic to Low Memory Sample Size is:Environment Servers the server you wish to change Configuration TuningAfter making the change you have to restart the server.It also a good idea to check that the change worked (I lost my change during the restart somehow the 1st time I did it). [轉(zhuǎn)1]常用weblogic性能調(diào)優(yōu)方法常用weblogic性能調(diào)優(yōu)方法 (20070522 12:23:57) (并發(fā))數(shù)量myserver|Configuration|Monitoring|performance可以觀察整體性能Idle Threads數(shù)量少,Queue Length比較大說明存在多并發(fā),而且CPU資源比較空閑需要增加線程數(shù)量,具體方法 myserver|Configuration|Monitoring|performance|General Monitor all Active Queues... 調(diào)整當(dāng)前Thread Count個(gè)數(shù),一般量大得可以設(shè)置到100。s JVM is doing a GC, so it just samples heap free at a regular intervals. Since there are only 10 samples (by default) in a hour, if it gets unlucky a few times you will get an out of memory alert when there is nothing to be worried about.I boosted the samples to 120/hour, so it gets a better picture of the amount of heap that is free on average. Now that a few bad samples can39。修改Thread Count的值,然后重啟WebLogic就可以生效了。l :set JAVA_HOME=d:\bea\jrockit81sp1_141_03set JAVA_VM=jrockitset MEM_ARGS=Xms512m Xmx1000ml