X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=doc%2Frrdtool.pod;h=84749af542042fb0a507492f8f9e90e50e8b390f;hp=0b7add0ce09ffb8d116e997a49916cc7bb059151;hb=d4110e29da41ce702bcc3327e86768c6f266915e;hpb=78af654c00b984210093f9708617b6b3e78078ff diff --git a/doc/rrdtool.pod b/doc/rrdtool.pod index 0b7add0..84749af 100644 --- a/doc/rrdtool.pod +++ b/doc/rrdtool.pod @@ -34,8 +34,8 @@ While the man pages talk of command line switches you have to set in order to make B work it is important to note that B can be remotely controlled through a set of pipes. This saves a considerable amount of startup time when you plan to make -B do a lot of things quickly. Check the section on L<"Remote -Control"> further down. There is also a number of language bindings +B do a lot of things quickly. Check the section on L +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. @@ -91,7 +91,11 @@ Change the size of individual RRAs. This is dangerous! Check L. =item B -Export data retrieved from one or several RRDs. Check L +Export data retrieved from one or several RRDs. Check L. + +=item B + +Flush the values for a spcific RRD file from memory. Check L. =item B @@ -260,7 +264,7 @@ accepts the same arguments as on the command line and some special commands like B and B. For detailed help on the server commands type: - rrdtool help cd|mkdir|ls|quit + rrdtool help cd|mkdir|pwd|ls|quit When a command is completed, RRDtool will print the string 'C', followed by timing information of the form BI @@ -298,9 +302,17 @@ sockets, tools like netcat, or in a quick interactive test by using B that there is no authentication with this feature! Do not setup such a port unless you are sure what you are doing. +=head1 RRDCACHED, THE CACHING DAEMON + +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 +L, a caching daemon for RRDTool which may help you lessen the +stress on your disks. + =head1 SEE ALSO -rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast, rrdxport +rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast, rrdxport, +rrdflush, rrdcached =head1 BUGS @@ -308,5 +320,5 @@ Bugs? Features! =head1 AUTHOR -Tobias Oetiker +Tobias Oetiker