On 04/16/2012 01:19 PM, Daniel Hilst wrote:
When I do an update on some rrd file the rrdtool -- or something --
spread my input value by time.
Here is how I reproduce:
1) Create my rrd with this command
rrdtool create --step 10 test.rrd DS:v:GAUGE:600:U:U RRA:AVERAGE:0.5:1:50
2) The feed it with:
rrdtool update test.rrd 1334578211:10
rrdtool update test.rrd 1334578221:0
I get
1334578210 9.000000
1334578220 1.000000
The RRDtool have spread my values, so 9 + 1 = 10, Its cool, but some
times I want 10, then 0.. Is there a way to turn this feature off for
specific rrd file?
If update rrd on 10 multiples then it works as I expect, so If I did:
rrdtool update test.rrd 1334578210:10
rrdtool update test.rrd 1334578220:0
I would get
1334578210 10.000000
1334578220 0.000000
I'm using collectd so I cant round up epoch..
Thanks in advance!
Cheers!
My solution was create a patch to collectd to round up the epoch before
submit..
[]'s
Here is if is of any interest :)
--
Follow the white rabbit!
diff --git a/src/rrdtool.c b/src/rrdtool.c
index 56a82d0..ab66441 100644
--- a/src/rrdtool.c
+++ b/src/rrdtool.c
@@ -134,11 +134,14 @@ static int srrd_update (char *filename, char *template,
int argc, const char **argv)
{
int status;
-
+ char *chp;
optind = 0; /* bug in librrd? */
rrd_clear_error ();
- status = rrd_update_r (filename, template, argc, (void *) argv);
+ chp = strchr(argv[0], ':');
+ *--chp = '0';
+
+ status = rrd_update_r (filename, template, argc, (void *) argv);
if (status != 0)
{
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