"The 2.6.32 is jam-packed full of driver and filesystem updates
as well as several new features that are intended to improve both
the physical and virtual performance of a Linux-based operating
"BTRFS is a next-generation filesystem originally spearheaded by
Oracle's Chris Mason. BTRFS holds the promise of providing improved
error correction, "snapshotting" -- making a copy of file data at a
particular point in time for improved data integrity and recovery
-- and other file-integrity enhancements.
"BTRFS made its initial Linux kernel debut in the 2.6.29 kernel,
the first update of 2009.
"A new per-device writeback feature also originated with Oracle
(NASDAQ: ORCL) by way of engineer Jens Axboe. The basic idea behind
per-device writeback is to optimize the process by which so-called
"dirty memory" -- memory that is not optimized and might need to be
written to disk -- is flushed to a storage device."
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