Imported upstream version 1.4.3.

[pkg-rrdtool.git] / doc / rrdtool.1

diff --git a/doc/rrdtool.1 b/doc/rrdtool.1
index baa71dfe532ec0b842e53e66af7de9f1c30a80a9..5f82b61f07c558c39f14334e6552723d7d7d136e 100644 (file)
--- a/doc/rrdtool.1
+++ b/doc/rrdtool.1
@@ -124,7 +124,7 @@
 .\" ========================================================================
 .\"
 .IX Title "RRDTOOL 1"
-.TH RRDTOOL 1 "2008-12-22" "1.3.8" "rrdtool"
+.TH RRDTOOL 1 "2009-10-14" "1.4.3" "rrdtool"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -204,7 +204,10 @@ Get information about an \s-1RRD\s0. Check rrdinfo.
 Change the size of individual RRAs. This is dangerous! Check rrdresize.
 .IP "\fBxport\fR" 8
 .IX Item "xport"
-Export data retrieved from one or several RRDs. Check rrdxport
+Export data retrieved from one or several RRDs. Check rrdxport.
+.IP "\fBflushcached\fR" 8
+.IX Item "flushcached"
+Flush the values for a specific \s-1RRD\s0 file from memory. Check rrdflushcached.
 .IP "\fBrrdcgi\fR" 8
 .IX Item "rrdcgi"
 This is a standalone tool for producing \s-1RRD\s0 graphs on the fly. Check
@@ -216,7 +219,7 @@ rrdcgi.
 When monitoring the state of a system, it is convenient to have the
 data available at a constant time interval. Unfortunately, you may not
 always be able to fetch data at exactly the time you want
-to. Therefore \fBRRDtool\fR lets you update the logfile at any time you
+to. Therefore \fBRRDtool\fR lets you update the log file at any time you
 want. It will automatically interpolate the value of the data-source
 (\fB\s-1DS\s0\fR) at the latest official time-slot (interval) and write this
 interpolated value to the log. The original value you have supplied is
@@ -395,9 +398,16 @@ sockets, tools like netcat, or in a quick interactive test by using
 .PP
 \&\fB\s-1NOTE:\s0\fR that there is no authentication with this feature! Do not setup
 such a port unless you are sure what you are doing.
+.SH "RRDCACHED, THE CACHING DAEMON"
+.IX Header "RRDCACHED, THE CACHING DAEMON"
+For very big setups, updating thousands of \s-1RRD\s0 files often becomes a serious \s-1IO\s0
+problem. If you run into such problems, you might want to take a look at
+rrdcached, a caching daemon for RRDtool which may help you lessen the
+stress on your disks.
 .SH "SEE ALSO"
 .IX Header "SEE ALSO"
-rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast, rrdxport
+rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast, rrdxport,
+rrdflushcached, rrdcached
 .SH "BUGS"
 .IX Header "BUGS"
 Bugs? Features!