X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=doc%2Frrdtool.txt;h=e48f1c41c0593b9408b5e3b347c11aa6964698ba;hb=d9822df7ed5e8122cf3a62e4e99678e94007f504;hp=f6115a798adbd7a4d9a5c37ebfbec89c1dc8983e;hpb=f714466e230f02e941349e0a91164d853a8006f4;p=pkg-rrdtool.git diff --git a/doc/rrdtool.txt b/doc/rrdtool.txt index f6115a7..e48f1c4 100644 --- a/doc/rrdtool.txt +++ b/doc/rrdtool.txt @@ -82,7 +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 @@ -164,13 +164,13 @@ DDEESSCCRRIIPPTTIIOONN RRRRDDttooooll provides the building blocks for near real-time aberrant behavior detection. These components include: - · An algorithm for predicting the value of a time series one + · An algorithm for predicting the value of a time series one time step into the future. - · A measure of deviation between predicted and observed + · A measure of deviation between predicted and observed values. - · A mechanism to decide if and when an observed value or + · A mechanism to decide if and when an observed value or sequence of observed values is _t_o_o _d_e_v_i_a_n_t from the predicted value(s). @@ -263,7 +263,7 @@ DDEESSCCRRIIPPTTIIOONN 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 + take a look at rrdcached, a caching daemon for RRDtool which may help you lessen the stress on your disks. SSEEEE AALLSSOO @@ -278,4 +278,4 @@ AAUUTTHHOORR -1.3.999 2009-06-09 RRDTOOL(1) +1.4.8 2013-05-23 RRDTOOL(1)