discardlinux

You can perform or schedule discard operations on block devices that support them. The block discard operation communicates to the underlying storage which ...

2.4. Discard Unused Blocks. Batch discard and online discard operations are features of mounted file systems that discard blocks not in use by the file system.

2021年1月7日 — linux系统盘ssd,Linux系统下如何使用SSD固态硬盘. Linux下的trim支持叫discard，现在ext4和xfs都支持(btrfs应该也支持)，内核需要>=2.6.37，xfs的支持 ...

2023年7月4日 — A quick introduction on how to enable discard on Btrfs to facilitate automatic freeing of unused blocks and ultimately speed up writing of ...

History of discard in Linux (2). SCSI and ATA support added in Linux. 2.6 ... History of discard in Linux (3). Linux 2.6.37 (2011) removes the barrier.

DISCARD releases internal resources associated with a database session. These resources are normally released at the end of the session.

... Linux kernel) the very first thing to use properly is block discard. The 'partial block reuse' technique described might improve things as well, but ...

FUNCTION::DISCARD(3stap) Speculation FUNCTION::DISCARD(3stap). NAME top. function::discard - Discard all output related to a speculation buffer ...

2021年5月16日 — If the filesystem is mounted with discard , then deleting files will automatically cause the TRIM command to be issued.