Windows用户:

If you go to Task Manager, choose the eclipse application, and click on the little arrow next to it, you will usually just see one sub-process appear below "eclipse.exe". However, in my case, if you have multiple instances of "Java Platform SE Binary", then end all of them. For some reason, I had three of these running in the background, even though I wasn't currently running any projects. Nevertheless, this will boost performance back to the way it likely was when you first installed eclipse on your computer.

如果更改后您不能再运行项目，那么尝试重新启动eclipse。

关闭当前未使用的任何打开的项目。

尝试在开发过程中关闭自动发布模式。

也试试这个，它会提高性能:

清理索引-{工作区 路径}.metadata.plugins \ org.eclipse.jdt。核心清理历史—— {工作区 路径}.metadata.plugins \ org.eclipse.core.resources.history

清理上述文件夹不会影响项目文件。

我们使用GIT作为CVS, gradle作为构建工具。

症状

在我的案例中，一个具有> 20 000个文件的特定项目在导航具有大量文件的目录时使用分层视图冻结。

Fix

创建新的Eclipse工作区 将项目重新克隆到Eclipse工作区中 将项目导入Eclipse(在本例中使用Gradle导入)

Eclipse会延迟加载插件，大多数常见的插件， 比如Subclipse，如果你不使用它们，就不要做任何事情。 它们在运行时完全不会降低Eclipse的速度，而且它 不能帮你让他们失效。事实上，Mylyn被展示过 在正确使用Eclipse时减少内存占用。

我运行Eclipse时使用了大量的插件，但没有任何性能 罚点球。

Try disabling compiler settings that you perhaps don't need (e.g. the sub-options under "parameter is never read). Which version of Eclipse are you using? Older versions were known to be slow if you upgraded them over and over again, because they got their plug-ins folder inflated with duplicate plug-ins (with different versions). This is not a problem in version 3.4. Use working-sets. They work better than closing projects, particularly if you need to switch between sets of projects all the time.

使用-Xmx不仅需要增加内存 开关，这也是烫发的大小。我认为 在Eclipse 3.4中解决了这个问题。

在eclipse.ini文件中添加-Xverify:none。

它将大大缩短Eclipse启动时间(对我来说是50%，如果不是更多的话)。这将告诉VM不要验证它正在加载的所有.class文件。

考虑一下:永远不要在生产系统中禁用字节码验证 (如评论所述)