X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=doc%2Frrdtool.txt;h=e48f1c41c0593b9408b5e3b347c11aa6964698ba;hb=d9822df7ed5e8122cf3a62e4e99678e94007f504;hp=5c777d8af3a6b9e4386c8bbdf9314ca4a5ba38c0;hpb=40278740122b2b70606a01bb9ca33515ed13c343;p=pkg-rrdtool.git diff --git a/doc/rrdtool.txt b/doc/rrdtool.txt index 5c777d8..e48f1c4 100644 --- a/doc/rrdtool.txt +++ b/doc/rrdtool.txt @@ -68,7 +68,11 @@ DDEESSCCRRIIPPTTIIOONN Change the size of individual RRAs. This is dangerous! Check rrdresize. - xxppoorrtt Export data retrieved from one or several RRDs. Check rrdxport + xxppoorrtt Export data retrieved from one or several RRDs. Check rrdxport. + + fflluusshhccaacchheedd + Flush the values for a specific RRD file from memory. Check + rrdflushcached. rrrrddccggii This is a standalone tool for producing RRD graphs on the fly. Check rrdcgi. @@ -78,7 +82,7 @@ DDEESSCCRRIIPPTTIIOONN 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 RRRRDDttooooll lets you update the logfile at + you want to. Therefore RRRRDDttooooll lets you update the log file at any time you want. It will automatically interpolate the value of the data-source (DDSS) at the latest official time-slot (interval) and write this interpolated value to the log. The @@ -256,9 +260,15 @@ DDEESSCCRRIIPPTTIIOONN NNOOTTEE:: that there is no authentication with this feature! Do not setup such a port unless you are sure what you are doing. +RRRRDDCCAACCHHEEDD,, TTHHEE CCAACCHHIINNGG DDAAEEMMOONN + 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. + SSEEEE AALLSSOO rrdcreate, rrdupdate, rrdgraph, rrddump, rrdfetch, rrdtune, rrdlast, - rrdxport + rrdxport, rrdflushcached, rrdcached BBUUGGSS Bugs? Features! @@ -268,4 +278,4 @@ AAUUTTHHOORR -1.3.8 2008-12-22 RRDTOOL(1) +1.4.8 2013-05-23 RRDTOOL(1)