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diff --git a/doc/rrdtool.txt b/doc/rrdtool.txt
index fba608aa6e164ab84832cc92379d7b4652219028..113857ef4b10f51d817969067f5796c51a911bbe 100644 (file)
--- a/doc/rrdtool.txt
+++ b/doc/rrdtool.txt
order to make R\bRR\bRD\bDt\bto\boo\bol\bl work it is important to note that R\bRR\bRD\bDt\bto\boo\bol\bl can be
remotely controlled through a set of pipes. This saves a considerable
amount of startup time when you plan to make R\bRR\bRD\bDt\bto\boo\bol\bl do a lot of things
- quickly. Check the section on "Remote Control" further down. There is
+ quickly. Check the section on Remote_Control further down. There is
also a number of language bindings for RRDtool which allow you to use
- it directly from perl, python, tcl, php, etc.
+ it directly from Perl, python, Tcl, PHP, etc.
c\bcr\bre\bea\bat\bte\be Set up a new Round Robin Database (RRD). Check rrdcreate.
Change the size of individual RRAs. This is dangerous! Check
rrdresize.
- x\bxp\bpo\bor\brt\bt Export data retrieved from one or several RRDs. Check rrdxport
+ x\bxp\bpo\bor\brt\bt Export data retrieved from one or several RRDs. Check rrdxport.
+
+ f\bfl\blu\bus\bsh\bhc\bca\bac\bch\bhe\bed\bd
+ Flush the values for a specific RRD file from memory. Check
+ rrdflushcached.
r\brr\brd\bdc\bcg\bgi\bi This is a standalone tool for producing RRD graphs on the fly.
Check rrdcgi.
you want to. Therefore R\bRR\bRD\bDt\bto\boo\bol\bl lets you update the logfile at
any time you want. It will automatically interpolate the value
of the data-source (D\bDS\bS) at the latest official time-slot
- (intervall) and write this interpolated value to the log. The
+ (interval) and write this interpolated value to the log. The
original value you have supplied is stored as well and is also
taken into account when interpolating the next log entry.
Both values are the running totals of seconds since RRDtool was
started. If an error occurs, a line of the form '"ERROR:" _\bD_\be_\bs_\bc_\br_\bi_\bp_\bt_\bi_\bo_\bn
_\bo_\bf _\be_\br_\br_\bo_\br' will be printed instead. R\bRR\bRD\bDt\bto\boo\bol\bl will not abort, unless some-
- thing realy serious happens. If a w\bwo\bor\brk\bkd\bdi\bir\br is specified and the UID is
+ thing really serious happens. If a w\bwo\bor\brk\bkd\bdi\bir\br is specified and the UID is
0, RRDtool will do a chroot to that workdir. If the UID is not 0, RRD-
tool only changes the current directory to w\bwo\bor\brk\bkd\bdi\bir\br.
Don't forget to create the database directory /var/rrd and reinitialize
your inetd.
- If all was setup correctly, you can access the server with perl sock-
+ If all was setup correctly, you can access the server with Perl sock-
ets, tools like netcat, or in a quick interactive test by using 'telnet
localhost rrdsrv'.
N\bNO\bOT\bTE\bE:\b: that there is no authentication with this feature! Do not setup
such a port unless you are sure what you are doing.
+R\bRR\bRD\bDC\bCA\bAC\bCH\bHE\bED\bD,\b, T\bTH\bHE\bE C\bCA\bAC\bCH\bHI\bIN\bNG\bG D\bDA\bAE\bEM\bMO\bON\bN
+ For very big setups, updating thousands of RRD files often becomes a
+ serious IO 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.
+
S\bSE\bEE\bE A\bAL\bLS\bSO\bO
rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast,
- rrdxport
+ rrdxport, rrdflushcached, rrdcached
B\bBU\bUG\bGS\bS
Bugs? Features!
-1.3rc9 2008-03-15 RRDTOOL(1)
+1.3.99909060808 2009-05-26 RRDTOOL(1)