Websphere性能调优

最新推荐文章于 2020-09-01 22:41:57 发布

原创最新推荐文章于 2020-09-01 22:41:57 发布 · 180 阅读

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#Websphere #JVM #EJB #JDBC #Web

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本文详细介绍了Java技术栈中的关键组件，包括JVM的堆内存配置（如-Xms和-Xmx）、垃圾回收机制及其触发条件、Web容器的线程池及保持活动等特性、EJB容器的作用、数据源的最大最小连接数设置及不同类型的JDBC驱动选择等内容。

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1. JVM

Heapsize

-Xms

-Xmx

2. GC

什么时候收集

Heap Fragmentation

3. Web Container

ThreadPool

Buffer

Timeout

Keep-alive

4. EJB Container

5. Data Source

最大/小连接数

JDBC Driver类型的选择

博客等级

码龄23年

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最新评论

算法：二分搜索
优快云-Ada助手: 不知道算法技能树是否可以帮到你：https://edu.youkuaiyun.com/skill/algorithm?utm_source=AI_act_algorithm
Jetspeed2
meizhiping2010: 可算是搞定了，我换成maven2.x得版本就好使了，谢楼主宝地了。
Jetspeed2
meizhiping2010: 错误信息比较多， Caused by: org.apache.maven.plugin.PluginExecutionException: Execution deploy of goal org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2:deploy failed: Plugin org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:jar:2.2.2 -> org.apache.portals.tutorials:jetexpress-portal:war:1.0-SNAPSHOT Caused by: org.apache.maven.plugin.PluginResolutionException: Plugin org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:jar:2.2.2 -> org.apache.portals.tutorials:jetexpress-portal:war:1.0-SNAPSHOT
Jetspeed2
meizhiping2010: org.apache.portals.tutorials:jetexpress-portal:war:1.0-SNAPSHOT: Failed to read artifact descriptor for org.apache.portals.tutorials:jetexpress-portal:war:1.0-SNAPSHOT: Failure to find org.apache.portals.tutorials:jetexpress:pom:1.0-SNAPSHOT in http://repository.apache.org/snapshots was cached in the local repository, resolution will not be reattempted until the update interval of apache.snapshots has elapsed or updates are forced -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2:deploy (deploy) on project jetspeed-mvn-portal-pom: Execution deploy of goal org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2:deploy failed: Plugin org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:jar:2.2.2 ->
Jetspeed2
meizhiping2010: 楼主您好，最近您我也在整jetspeed2，我也是按 http://portals.apache.org/jetspeed-2/tutorial/01/genapp.html步骤来得，但是我执行mvn jetspeed:mvn -Dtarget=all命令后，在后面deploy时出错了。错误信息如下： [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 0.765s [INFO] Finished at: Tue Dec 17 14:23:28 CST 2013 [INFO] Final Memory: 4M/15M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2:deploy (deploy) on project jetspeed-mvn-portal-pom: Execution deploy of goal org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2:deploy failed: Plugin org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:2.2.2 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.portals.jetspeed-2:jetspeed-deploy-maven-plugin:jar:2.2.2 ->

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