Updated to upstream version 1.4.8.

[pkg-rrdtool.git] / doc / rrd-beginners.txt

diff --git a/doc/rrd-beginners.txt b/doc/rrd-beginners.txt
index 019f9c904208a99245edb1b8f445b44b486f899f..545ebb95b28246827384ee2845e9fa5d0e0cde48 100644 (file)
--- a/doc/rrd-beginners.txt
+++ b/doc/rrd-beginners.txt
@@ -103,7 +103,7 @@ D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
        (\b(P\bPD\bDP\bP)\b). In our example mentioned above, a new PDP is generated every 300
        seconds.
 
-       Note, that if you do NOT supply new datapoints exactly every 300
+       Note, that if you do NOT supply new data points exactly every 300
        seconds, this is not a problem, RRDtool will interpolate the data
        accordingly.
 
@@ -114,8 +114,8 @@ D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
        value is greater than 0). Traffic counters on a router are an ideal
        candidate for using COUNTER as DST. DERIVE is the same as COUNTER, but
        it allows negative values as well. If you want to see the rate of
-       _\bc_\bh_\ba_\bn_\bg_\be in free diskspace on your server, then you might want to use the
-       DERIVE data type. ABSOLUTE also saves the rate of change, but it
+       _\bc_\bh_\ba_\bn_\bg_\be in free disk space on your server, then you might want to use
+       the DERIVE data type. ABSOLUTE 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 to the current value.
        Thus it just stores the current value divided by the step interval (300
@@ -282,26 +282,26 @@ D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
         # calculate the average of the array
         my $tot_mem_ave = $tot_mem_sum/($count);
         # create the graph
-        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 $end_time                     ",\
-                    "HRULE:656#000000:Maximum Available Memory - 656 MB",\
-                    "AREA:machine_mem#CCFFFF:Memory Unused",   \
+        RRDs::graph ("/images/mem_$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\n";}
@@ -315,4 +315,4 @@ A\bAU\bUT\bTH\bHO\bOR\bR
 
 
 
-1.3.8                             2008-03-15                  RRD-BEGINNERS(1)
+1.4.8                             2013-05-23                  RRD-BEGINNERS(1)