努力配置您的构建路径。如果代码完成需要遍历整个项目文件夹，则会占用大量内存。

右键单击项目并选择首选项。 选择生成路径设置并删除项目文件夹。 然后只添加包含源代码和库代码的文件夹。

如果Eclipse运行缓慢，我遵循以下几个步骤:

Any unused plugins installed in Eclipse, should uninstall them. -- Few plugins makes a lot much weight to Eclipse. Open current working project and close the remaining project. If there is any any dependency among them, just open while running. If all are Maven projects, then with miner local change in pom files, you can make them individual projects also. If you are working on independent projects, then always work on any one project in a workspace. Don't keep multiple projects in single workspace. Change the type filters. It facilitates to specify particular packages to refer always. As per my experience, don't change memory JVM parameters. It causes a lot of unknown issues except when you have sound knowledge of JVM parameters. Un-check auto build always. Particulary, Maven project's auto build is useless. Close all the files opened, just open current working files. Use Go Into Work sets. Instead of complete workbench. Most of the components of your application you can implement and test in standalone also. Learn how to run in standalone without need of server deploy, this makes your work simple and fast. -- Recently, I worked on hibernate entities for my project, two days, I did on server. i.e. I changed in entities and again build and deployed on the server, it killing it all my time. So, then I created a simple JPA standalone application, and I completed my work very fast.

谢谢你的提示。 上面提到的这些选择对我帮助很大:

窗口:

增加内存&关于我在eclipse.ini中更新的Java版本:

-Dosgi.requiredJavaVersion=1.6
-Xms512m
-Xmx512m
-XX:PermSize=512m
-XX:MaxPermSize=512M
-Xverify:none

此外，由于我们正在优化速度，因此将-Xms设置为与-Xmx相同的值将使JVM以允许使用的最大内存量启动。

Linux / Ubuntu:

使用

update-alternatives --config java

又有一个解决方案 删除这两个文件夹中的所有文件

.metadata.plugins \ org.eclipse.core.resources.history .metadata.plugins \ org.eclipse.jdt.core

这是第一次帮助。但它仍然保持缓慢

除了最新的软件(最新的Eclipse和Java)和更多的RAM，您可能还需要

删除不需要的插件(并非所有插件都需要Mylyn和Eclipse的J2EE版本) 不必要的验证器 禁用拼写检查 关闭Java编辑器中未使用的选项卡(是的，它有助于减少Eclipse负担) 关闭未使用的项目 禁用不需要的标签声明(SVN/CVS) 禁用自动建筑

参考:making-eclipse-ide-faster

除了为内存使用配置eclipse.ini之外。我已经通过“启动和关闭选项”进行了配置。我的月食现在燃烧得很快。