Regardless of whether the client is currently connected or not, as long as the session has not expired, the server can know which messages are subscribed by the client and cache these messages for it. In addition, the client does not need to re-initiate the subscription when connecting again...
The applications you’ve installed on your Mac take up space, of course. And over time, when your Mac becomes full of different apps, it may start running slowly. How to clean MacBook? In the first place, you need to remove the apps you no longer use or need. To do this, right-...
Deleting cache files is generally safe for your Mac. And once you delete them, the applications and processes you run on your Mac will generate fresh, new ones. But, when deleting, worry more about removing them based on size rather than just removingallof them. Also, you can check the/...
+ Remove useless cache and log files to boost the performance of your iOS device. + Completely shred every deleted photos to prevent privacy leak. + Support import, export and delete of photos, videos, music, books, apps, and podcasts on your iOS device. ...
You can use a free programApp Cleaner & Uninstallerto clean your MacBook from unneeded apps, cache, logs, startup programs, Internet plugins, screen savers and other service files and extensions. App Cleaner & Uninstaller will help you to free up much space on your MacBook’s drive. ...
We have a 1.5TB SSD write-through cache-pool caching for a ~65TB HDD LV on our production system several years ago, and the most disturbing issue of lvmcache is that, after rebooting all chunks (~25 million) in cache-pool become dirty (although theoretically this should not happen with ...
1. 干净的:无论何时当一个文件系统需要从它底层的物理设备读一个缓冲区(Buffer)时,它试着从缓冲区缓存(Buffer cache)得到. 如果它不能从缓冲区缓存得到一个缓冲区,然后它将从适当大小的空余的链表中得到一个乾净的(clean)新的缓冲区. 这个缓冲区将被放入将缓 ...
Now that we know about the interceptors lets start. 1 2 3 4 5 6 7 8 9 10 11 12 package com.bullraider.apps.interceptors; import com.opensymphony.xwork2.ActionInvocation; import com.opensymphony.xwork2.interceptor.AbstractInterceptor; publicclassClearCacheInterceptor extends AbstractInterceptor{ ...
Sometimes, before you start clearing up space on your phone, you’ll want to know how much space you have available and how much of your storage capacity is being used. That way, you’ll know when it’s time for a deep clean.
Delete cookies and cache Remove unused extensions Update browsers regularly System Maintenance Regular system maintenance helps prevent performance issues before they start: Update Windows regularly Run disk defragmentation (for HDDs) Check disk for errors ...