pycharm清缓存_pycharm安装包很慢

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使用pycharm一段时间后 ，C盘空间也越来越小。这是因为pycharm在C盘生成了大量的缓存文件。解决C盘占用过大，有两个方法：

1. 方法一：直接删除pycharm缓存文件（暴力有效）
2. 方法二：更改缓存文件路径

方法一

content.dat.storageData是pycharm的缓存文件，动辄几个G，直接将其删除即可。不会影响pycharm使用。缺点就是每隔一段时间要记得清理，否则C盘可能就要爆炸。
content.dat.storageData文件一般存在于C:\Users\xxx.PyCharm2017.2\system\caches\content.dat.storageData路径下。或者C:\Users\Administrator\AppData\Local\JetBrains\PyCharm2020.1\caches\content.dat.storageData路径下。

方法二

pycharm缓存文件默认存储在C盘，我们可以将缓存文件存储位置更改到其他盘。

1. 找到pycharm安装目录bin文件夹下的idea.properties文件，如E:\pycharm\PyCharm 2019.2.5\bin
   

2.用记事本打开并修改idea.properties文件，我修改好的文件如下

# Use ${idea.home.path} macro to specify location relative to IDE installation home.
# Use ${xxx} where xxx is any Java property (including defined in previous lines of this file) to refer to its value.
# Note for Windows users: please make sure you're using forward slashes (e.g. c:/idea/system).

#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE config folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
# idea.config.path=${user.home}/.PyCharm/config
idea.config.path=D:/.PyCharm2019.2/config

#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE system folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
# idea.system.path=${user.home}/.PyCharm/system
idea.system.path=D:/.PyCharm2019.2/system
#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to user installed plugins folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
# idea.plugins.path=${idea.config.path}/plugins
idea.plugins.path=D:/.PyCharm2019.2/config/plugins
#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE logs folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
# idea.log.path=${idea.system.path}/log
idea.log.path=D:/.PyCharm2019.2/system/log

#---------------------------------------------------------------------
# Maximum file size (kilobytes) IDE should provide code assistance for.
# The larger file is the slower its editor works and higher overall system memory requirements are
# if code assistance is enabled. Remove this property or set to very large number if you need
# code assistance for any files available regardless their size.
#---------------------------------------------------------------------
idea.max.intellisense.filesize=2500

#---------------------------------------------------------------------
# Maximum file size (kilobytes) IDE is able to open.
#---------------------------------------------------------------------
idea.max.content.load.filesize=20000

#---------------------------------------------------------------------
# This option controls console cyclic buffer: keeps the console output size not higher than the specified buffer size (Kb).
# Older lines are deleted. In order to disable cycle buffer use idea.cycle.buffer.size=disabled
#---------------------------------------------------------------------
idea.cycle.buffer.size=1024

#---------------------------------------------------------------------
# Configure if a special launcher should be used when running processes from within IDE.
# Using Launcher enables "soft exit" and "thread dump" features
#---------------------------------------------------------------------
idea.no.launcher=false

#---------------------------------------------------------------------
# To avoid too long classpath
#---------------------------------------------------------------------
idea.dynamic.classpath=false

#---------------------------------------------------------------------
# Uncomment this property to prevent IDE from throwing ProcessCanceledException when user activity
# detected. This option is only useful for plugin developers, while debugging PSI related activities
# performed in background error analysis thread.
# DO NOT UNCOMMENT THIS UNLESS YOU'RE DEBUGGING IDE ITSELF. Significant slowdowns and lockups will happen otherwise.
#---------------------------------------------------------------------
#idea.ProcessCanceledException=disabled

#---------------------------------------------------------------------
# There are two possible values of idea.popup.weight property: "heavy" and "medium".
# If you have WM configured as "Focus follows mouse with Auto Raise" then you have to
# set this property to "medium". It prevents problems with popup menus on some
# configurations.
#---------------------------------------------------------------------
idea.popup.weight=heavy

#---------------------------------------------------------------------
# Removing this property may lead to editor performance degradation under Windows.
#---------------------------------------------------------------------
sun.java2d.d3d=false

#---------------------------------------------------------------------
# Set swing.bufferPerWindow=false to workaround a slow scrolling in JDK6 (see IDEA-35883),
# But this may lead to performance degradation in JDK8, because it disables a double buffering,
# which is needed to eliminate tearing on blit-accelerated scrolling and to restore
# a frame buffer content without the usual repainting, even when the EDT is blocked.
#---------------------------------------------------------------------
swing.bufferPerWindow=true

#---------------------------------------------------------------------
# Removing this property may lead to editor performance degradation under X Window.
#---------------------------------------------------------------------
sun.java2d.pmoffscreen=false

#---------------------------------------------------------------------
# Enables HiDPI support in JBRE
#---------------------------------------------------------------------
sun.java2d.uiScale.enabled=true

#---------------------------------------------------------------------
# Applicable to the Swing text components displaying HTML (except JEditorPane).
# Rebases CSS size map depending on the component's font size to let relative
# font size values (smaller, larger) scale properly. JBRE only.
#---------------------------------------------------------------------
javax.swing.rebaseCssSizeMap=true

#---------------------------------------------------------------------
# Workaround to avoid long hangs while accessing clipboard under Mac OS X.
#---------------------------------------------------------------------
#ide.mac.useNativeClipboard=True

#---------------------------------------------------------------------
# Maximum size (kilobytes) IDEA will load for showing past file contents -
# in Show Diff or when calculating Digest Diff
#---------------------------------------------------------------------
#idea.max.vcs.loaded.size.kb=20480

#---------------------------------------------------------------------
# IDEA file chooser peeks inside directories to detect whether they contain a valid project
# (to mark such directories with a corresponding icon).
# Uncommenting the option prevents this behavior outside of user home directory.
#---------------------------------------------------------------------
#idea.chooser.lookup.for.project.dirs=false

#-----------------------------------------------------------------------
# Experimental option that does a number of things to make truly smooth scrolling possible:
#
# * Enables hardware-accelerated scrolling.
# Blit-acceleration copies as much of the rendered area as possible and then repaints only newly exposed region.
# This helps to improve scrolling performance and to reduce CPU usage (especially if drawing is compute-intensive).
#
# * Enables "true double buffering".
# True double buffering is needed to eliminate tearing on blit-accelerated scrolling and to restore
# frame buffer content without the usual repainting, even when the EDT is blocked.
#
# * Adds "idea.true.smooth.scrolling.debug" option.
# Checks whether blit-accelerated scrolling is feasible, and if so, checks whether true double buffering is available.
#
# * Enables handling of high-precision mouse wheel events.
# Although Java 7 introduced MouseWheelEven.getPreciseWheelRotation() method, JScrollPane doesn't use it so far.
# Depends on the Editor / General / Smooth Scrolling setting, remote desktop detection and power save mode state.
# Ideally, we need to patch the runtime (on Windows, Linux and Mac OS) to improve handling of the fine-grained input data.
# This feature can be toggled via "idea.true.smooth.scrolling.high.precision" option.
#
# * Enables handling of pixel-perfect scrolling events.
# Currently this mode is available only under Mac OS with JetBrains Runtime.
# This feature can be toggled via "idea.true.smooth.scrolling.pixel.perfect" option.
#
# * Enables interpolation of scrolling input (scrollbar, mouse wheel, touchpad, keys, etc).
# Smooths input which lacks both spatial and temporal resolution, performs the rendering asynchronously.
# Depends on the Editor / General / Smooth Scrolling setting, remote desktop detection and power save mode state.
# The feature can be tweaked using the following options:
#       "idea.true.smooth.scrolling.interpolation" - the main switch
#       "idea.true.smooth.scrolling.interpolation.scrollbar" - scrollbar interpolation
#       "idea.true.smooth.scrolling.interpolation.scrollbar.delay" - initial delay for scrollbar interpolation (ms)
#       "idea.true.smooth.scrolling.interpolation.mouse.wheel" - mouse wheel / touchpad interpolation
#       "idea.true.smooth.scrolling.interpolation.mouse.wheel.delay.min" - minimum initial delay for mouse wheel interpolation (ms)
#       "idea.true.smooth.scrolling.interpolation.mouse.wheel.delay.max" - maximum initial delay for mouse wheel interpolation (ms)
#       "idea.true.smooth.scrolling.interpolation.precision.touchpad" - precision touchpad interpolation
#       "idea.true.smooth.scrolling.interpolation.precision.touchpad.delay" - initial delay for precision touchpad interpolation (ms)
#       "idea.true.smooth.scrolling.interpolation.other" - interpolation of other input sources
#       "idea.true.smooth.scrolling.interpolation.other.delay" - initial delay for other input source interpolation (ms)
#
# * Adds on-demand horizontal scrollbar in editor.
# The horizontal scrollbar is shown only when it's actually needed for currently visible content.
# This helps to save editor space and to prevent occasional horizontal "jitter" on vertical touchpad scrolling.
# This feature can be toggled via "idea.true.smooth.scrolling.dynamic.scrollbars" option.
#-----------------------------------------------------------------------
#idea.true.smooth.scrolling=true

#---------------------------------------------------------------------
# IDE can copy library .jar files to prevent their locking. Set this property to 'false' to enable copying.
#---------------------------------------------------------------------
idea.jars.nocopy=true

#-----------------------------------------------------------------------
# Change to 'enabled' if you want to receive instant visual notifications
# about fatal errors that happen to an IDE or plugins installed.
#-----------------------------------------------------------------------
idea.fatal.error.notification=disabled

我们需要对以下4个位置进行修改，将原有路径用 # 号注释掉（默认是注释掉的），添加自定义的路径（将缓存文件位置设置为你指定的盘）

• 修改config路径

# idea.config.path=${user.home}/.PyCharm/config
idea.config.path=D:/.PyCharm2019.2/config

• 修改system路径

# idea.system.path=${user.home}/.PyCharm/system
idea.system.path=D:/.PyCharm2019.2/system

• 修改plugins路径

# idea.plugins.path=${idea.config.path}/plugins
idea.plugins.path=D:/.PyCharm2019.2/config/plugins

• 修改log路径

# idea.log.path=${idea.system.path}/log
idea.log.path=D:/.PyCharm2019.2/system/log

3. 将c盘的缓存文件.PyCharm2019.2剪切到你指定的盘（此处是D盘）。注意此处位置与步骤2中文件路径配置的一致性。
4. 重启pycharm
   注意：可能会提示重新激活pycharm。激活可以参考
   https://www.cnblogs.com/linybo/p/10368315.html