X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=doc%2Frrd-beginners.1;h=415ee113990cf8e9c6870048baf1616b941a0a84;hb=d9822df7ed5e8122cf3a62e4e99678e94007f504;hp=d36a4ce19904331530ecda6a915a4f87bd342756;hpb=51c3d3fb997c22e1ee828470413f1e84989e1f6c;p=pkg-rrdtool.git diff --git a/doc/rrd-beginners.1 b/doc/rrd-beginners.1 index d36a4ce..415ee11 100644 --- a/doc/rrd-beginners.1 +++ b/doc/rrd-beginners.1 @@ -1,4 +1,4 @@ -.\" Automatically generated by Pod::Man 2.1801 (Pod::Simple 3.05) +.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.16) .\" .\" Standard preamble: .\" ======================================================================== @@ -124,7 +124,7 @@ .\" ======================================================================== .\" .IX Title "RRD-BEGINNERS 1" -.TH RRD-BEGINNERS 1 "2008-03-15" "1.3.8" "rrdtool" +.TH RRD-BEGINNERS 1 "2013-05-23" "1.4.8" "rrdtool" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l @@ -230,7 +230,7 @@ every step interval, a new value of \s-1DS\s0 is supplied to update the database This value is also called Primary Data Point \fB(\s-1PDP\s0)\fR. In our example mentioned above, a new \s-1PDP\s0 is generated every 300 seconds. .PP -Note, that if you do \s-1NOT\s0 supply new datapoints exactly every 300 seconds, +Note, that if you do \s-1NOT\s0 supply new data points exactly every 300 seconds, this is not a problem, RRDtool will interpolate the data accordingly. .PP \&\fB\s-1DST\s0\fR (Data Source Type) defines the type of the \s-1DS\s0. It can be @@ -240,7 +240,7 @@ the value is always increasing (the difference between the current and the previous value is greater than 0). Traffic counters on a router are an ideal candidate for using \s-1COUNTER\s0 as \s-1DST\s0. \s-1DERIVE\s0 is the same as \&\s-1COUNTER\s0, but it allows negative values as well. If you want to see the -rate of \fIchange\fR in free diskspace on your server, then you might +rate of \fIchange\fR in free disk space on your server, then you might want to use the \s-1DERIVE\s0 data type. \s-1ABSOLUTE\s0 also saves the rate of change, but it assumes that the previous value is set to 0. The difference between the current and the previous value is always equal @@ -417,26 +417,26 @@ generation is done using Perl scripts. These scripts are shown below: \& # calculate the average of the array \& my $tot_mem_ave = $tot_mem_sum/($count); \& # create the graph -\& RRDs::graph ("/images/mem_$count.png", \e -\& "\-\-title= Memory Usage", \e -\& "\-\-vertical\-label=Memory Consumption (MB)", \e -\& "\-\-start=$start_time", \e -\& "\-\-end=$end_time", \e -\& "\-\-color=BACK#CCCCCC", \e -\& "\-\-color=CANVAS#CCFFFF", \e -\& "\-\-color=SHADEB#9999CC", \e -\& "\-\-height=125", \e -\& "\-\-upper\-limit=656", \e -\& "\-\-lower\-limit=0", \e -\& "\-\-rigid", \e -\& "\-\-base=1024", \e -\& "DEF:tot_mem=target.rrd:mem:AVERAGE", \e -\& "CDEF:tot_mem_cor=tot_mem,0,671744,LIMIT,UN,0,tot_mem,IF,1024,/",\e -\& "CDEF:machine_mem=tot_mem,656,+,tot_mem,\-",\e -\& "COMMENT:Memory Consumption between $start_time",\e -\& "COMMENT: and $end_time ",\e -\& "HRULE:656#000000:Maximum Available Memory \- 656 MB",\e -\& "AREA:machine_mem#CCFFFF:Memory Unused", \e +\& RRDs::graph ("/images/mem_$count.png", +\& "\-\-title= Memory Usage", +\& "\-\-vertical\-label=Memory Consumption (MB)", +\& "\-\-start=$start_time", +\& "\-\-end=$end_time", +\& "\-\-color=BACK#CCCCCC", +\& "\-\-color=CANVAS#CCFFFF", +\& "\-\-color=SHADEB#9999CC", +\& "\-\-height=125", +\& "\-\-upper\-limit=656", +\& "\-\-lower\-limit=0", +\& "\-\-rigid", +\& "\-\-base=1024", +\& "DEF:tot_mem=target.rrd:mem:AVERAGE", +\& "CDEF:tot_mem_cor=tot_mem,0,671744,LIMIT,UN,0,tot_mem,IF,1024,/", +\& "CDEF:machine_mem=tot_mem,656,+,tot_mem,\-", +\& "COMMENT:Memory Consumption between $start_time", +\& "COMMENT: and $end_time ", +\& "HRULE:656#000000:Maximum Available Memory \- 656 MB", +\& "AREA:machine_mem#CCFFFF:Memory Unused", \& "AREA:tot_mem_cor#6699CC:Total memory consumed in MB"); \& my $err=RRDs::error; \& if ($err) {print "problem generating the graph: $err\en";}