Ignore:
Timestamp:
Jul 2, 2011, 3:35:33 PM (14 years ago)
Author:
Herwig Bauernfeind
Message:

Samba 3.5: Update trunk to 3.5.8

File:
1 edited

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  • trunk/server/docs/manpages/vfs_cacheprime.8

    r480 r596  
     1'\" t
    12.\"     Title: vfs_cacheprime
    23.\"    Author: [see the "AUTHOR" section]
    3 .\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/>
    4 .\"      Date: 06/18/2010
     4.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
     5.\"      Date: 03/06/2011
    56.\"    Manual: System Administration tools
    67.\"    Source: Samba 3.5
    78.\"  Language: English
    89.\"
    9 .TH "VFS_CACHEPRIME" "8" "06/18/2010" "Samba 3\&.5" "System Administration tools"
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    158 ..
     10.TH "VFS_CACHEPRIME" "8" "03/06/2011" "Samba 3\&.5" "System Administration tools"
    15911.\" -----------------------------------------------------------------
    16012.\" * set default formatting
     
    16719.\" * MAIN CONTENT STARTS HERE *
    16820.\" -----------------------------------------------------------------
    169 .SH "Name"
     21.SH "NAME"
    17022vfs_cacheprime \- prime the kernel file data cache
    171 .SH "Synopsis"
    172 .fam C
     23.SH "SYNOPSIS"
    17324.HP \w'\ 'u
    174 \FCvfs objects = cacheprime\F[]
    175 .fam
     25vfs objects = cacheprime
    17626.SH "DESCRIPTION"
    17727.PP
     
    18131.PP
    18232The
    183 \FCvfs_cacheprime\F[]
     33vfs_cacheprime
    18434VFS module reads chunks of file data near the range requested by clients in order to make sure the data is present in the kernel file data cache at the time when it is actually requested by clients\&.
    18535.PP
    18636The size of the disk read operations performed by
    187 \FCvfs_cacheprime\F[]
     37vfs_cacheprime
    18838is determined by the cacheprime:rsize option\&. All disk read operations are aligned on boundaries that are a multiple of this size\&. Each range of the file data is primed at most once during the time the client has the file open\&.
    18939.PP
     
    20555.IP \(bu 2.3
    20656.\}
    207 \FCK\F[]
     57K
    20858\- BYTES is a number of kilobytes
    20959.RE
     
    21767.IP \(bu 2.3
    21868.\}
    219 \FCM\F[]
     69M
    22070\- BYTES is a number of megabytes
    22171.RE
     
    22979.IP \(bu 2.3
    23080.\}
    231 \FCG\F[]
     81G
    23282\- BYTES is a number of gigabytes
    23383.sp
     
    24191.RS 4
    24292.\}
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    251 
    25294        \fI[hypothetical]\fR
    25395        \m[blue]\fBvfs objects = cacheprime\fR\m[]
    25496        \m[blue]\fBcacheprime:rsize = 1M\fR\m[]
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    265101.SH "CAVEATS"
    266102.PP
    267 \FCcacheprime\F[]
     103cacheprime
    268104is not a a substitute for a general\-purpose readahead mechanism\&. It is intended for use only in very specific environments where disk operations must be aligned and sized to known values (as much as that is possible)\&.
    269105.SH "VERSION"
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