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- Allocate-on-flush abstract "Allocate-on-flush (also called delayed allocation) is a computer file system feature implemented in the HFS+, XFS, Reiser4, ZFS, Btrfs and ext4 file systems. The feature also closely resembles an older technique that Berkeley's UFS called "block reallocation".When blocks must be allocated to hold pending writes, disk space for the appended data is subtracted from the free-space counter, but not actually allocated in the free-space bitmap. Instead, the appended data is held in memory until it must be flushed to storage due to memory pressure, when the kernel decides to flush dirty buffers, or when the application performs the Unix "sync" system call, for example.This has the effect of batching together allocations into larger runs. Such delayed processing reduces CPU usage, and tends to reduce disk fragmentation, especially for files which grow slowly. It can also help in keeping allocations contiguous when there are several files growing at the same time. When used in conjunction with copy on write as it is in ZFS, it can convert slow random writes into fast sequential writes.".
- Allocate-on-flush wikiPageID "1714244".
- Allocate-on-flush wikiPageLength "1549".
- Allocate-on-flush wikiPageOutDegree "13".
- Allocate-on-flush wikiPageRevisionID "681635813".
- Allocate-on-flush wikiPageWikiLink Btrfs.
- Allocate-on-flush wikiPageWikiLink Category:Computer_file_systems.
- Allocate-on-flush wikiPageWikiLink Computer_file_system.
- Allocate-on-flush wikiPageWikiLink Copy-on-write.
- Allocate-on-flush wikiPageWikiLink Copy_on_write.
- Allocate-on-flush wikiPageWikiLink Ext4.
- Allocate-on-flush wikiPageWikiLink File_system.
- Allocate-on-flush wikiPageWikiLink Fragmentation_(computer).
- Allocate-on-flush wikiPageWikiLink Fragmentation_(computing).
- Allocate-on-flush wikiPageWikiLink Free-space_bitmap.
- Allocate-on-flush wikiPageWikiLink Free_space_bitmap.
- Allocate-on-flush wikiPageWikiLink HFS+.
- Allocate-on-flush wikiPageWikiLink HFS_Plus.
- Allocate-on-flush wikiPageWikiLink Reiser4.
- Allocate-on-flush wikiPageWikiLink Unix_File_System.
- Allocate-on-flush wikiPageWikiLink XFS.
- Allocate-on-flush wikiPageWikiLink ZFS.
- Allocate-on-flush wikiPageWikiLinkText "Allocate-on-flush".
- Allocate-on-flush wikiPageWikiLinkText "allocate-on-flush".
- Allocate-on-flush hasPhotoCollection Allocate-on-flush.
- Allocate-on-flush wikiPageUsesTemplate Template:Compu-storage-stub.
- Allocate-on-flush wikiPageUsesTemplate Template:Reflist.
- Allocate-on-flush subject Category:Computer_file_systems.
- Allocate-on-flush hypernym Feature.
- Allocate-on-flush type Work.
- Allocate-on-flush comment "Allocate-on-flush (also called delayed allocation) is a computer file system feature implemented in the HFS+, XFS, Reiser4, ZFS, Btrfs and ext4 file systems. The feature also closely resembles an older technique that Berkeley's UFS called "block reallocation".When blocks must be allocated to hold pending writes, disk space for the appended data is subtracted from the free-space counter, but not actually allocated in the free-space bitmap.".
- Allocate-on-flush label "Allocate-on-flush".
- Allocate-on-flush sameAs m.05qjwx.
- Allocate-on-flush sameAs Отложенное_выделение_места.
- Allocate-on-flush sameAs Q4732996.
- Allocate-on-flush sameAs Q4732996.
- Allocate-on-flush wasDerivedFrom Allocate-on-flush?oldid=681635813.
- Allocate-on-flush isPrimaryTopicOf Allocate-on-flush.