Changeset 39 for trunk/samba/docs/manpages/vfs_commit.8
- Timestamp:
- May 27, 2007, 12:26:26 AM (19 years ago)
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- 1 edited
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trunk/samba/docs/manpages/vfs_commit.8 (modified) (2 diffs)
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trunk/samba/docs/manpages/vfs_commit.8
r1 r39 19 19 .. 20 20 .TH "VFS_COMMIT" 8 "" "" "" 21 .SH NAME22 vfs_commit \- flush dirty data at specified intervals21 .SH 22 vfs_commit - flush dirty data at specified intervals 23 23 .SH "SYNOPSIS" 24 .ad l25 .hy 026 24 .HP 21 27 25 \fBvfs objects = commit\fR 28 .ad29 .hy30 31 26 .SH "DESCRIPTION" 32 33 27 .PP 34 This VFS module is part of the\fBsamba\fR(7) suite\&. 35 28 This VFS module is part of the 29 \fBsamba\fR(7) 30 suite. 36 31 .PP 37 The \fBvfs_commit\fR VFS module keeps track of the amount of data written to a file and synchronizes it to disk when a specified amount accumulates\&. 38 32 The 33 \fBvfs_commit\fR 34 VFS module keeps track of the amount of data written to a file and synchronizes it to disk when a specified amount accumulates. 39 35 .PP 40 \fBvfs_commit\fR is useful in two circumstances\&. First, if you have very precious data, the impact of unexpected power loss can be minimized by a small commit:dthresh value\&. Secondly, write performance can be improved on some systems by flushing file data early and at regular intervals\&.41 36 \fBvfs_commit\fR 37 is useful in two circumstances. First, if you have very precious data, the impact of unexpected power loss can be minimized by a small commit:dthresh value. Secondly, write performance can be improved on some systems by flushing file data early and at regular intervals. 42 38 .PP 43 This module is stackable\&. 44 39 This module is stackable. 45 40 .SH "OPTIONS" 46 47 .TP 41 .PP 48 42 commit:dthresh = BYTES 49 Synchronize file data each time the specified number of bytes has been written\&. 50 43 .RS 3n 44 Synchronize file data each time the specified number of bytes has been written. 45 .sp 51 46 The following suffixes may be applied to BYTES: 52 53 .RS 54 .TP 3 55 \(bu 56 \fBK\fR \- BYTES is a number of kilobytes 57 .TP 58 \(bu 59 \fBM\fR \- BYTES is a number of megabytes 60 .TP 61 \(bu 62 \fBG\fR \- BYTES is a number of gigabytes 63 .LP 47 .RS 3n 48 .TP 3n 49 • 50 \fBK\fR 51 - BYTES is a number of kilobytes 52 .TP 3n 53 • 54 \fBM\fR 55 - BYTES is a number of megabytes 56 .TP 3n 57 • 58 \fBG\fR 59 - BYTES is a number of gigabytes 64 60 .RE 65 .IP 66 61 .RE 67 62 .SH "EXAMPLES" 68 69 63 .PP 70 64 Synchronize the file data on the [precious] share after every 512 kilobytes (524288 bytes) of data is written: … … 78 72 79 73 .fi 74 75 76 77 78 79 80 81 82 83 84 80 85 81 .SH "CAVEATS"82 83 .PP84 On some systems, the data synchronization performed by\fBcommit\fR may reduce performance\&.85 86 .SH "VERSION"87 88 .PP89 This man page is correct for version 3\&.0\&.25 of the Samba suite\&.90 91 .SH "AUTHOR"92 93 .PP94 The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.95
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