Your updates do not make it into the RRD. They are filtered out. Wether you know it or not, you are asking RRDtool to ignore those updates. Updates further apart than the heartbeat, are assumed to be unreliable and result in unknown data. Your heartbeat is 2000. Your updates are 3600 apart.
HTH Alex http://rrdtool.vandenbogaerdt.nl/ ----- Original Message ----- From: Anuj Maurice To: rrd-users@lists.oetiker.ch Sent: Wednesday, July 04, 2012 12:05 PM Subject: [rrd-users] values get updated in RRD DB but doesnt reflect when doing a fetch or dump i am populating an rrd db once an hour. The value gets successfully updated in rrd db but it doesnt doesnt get updated to archives Whenever i try to fetch data using rrdfetch it return NaN and rrddump showns dump too. but rrdtool info shows the last update value . steps is 2000 and rras 'RRA:MIN:0.5:1:44640' 'RRA:MAX:0.5:1:44640' 'RRA:AVERAGE:0.5:1:44640' 'RRA:LAST:0.1:1:44640' Following is my rrdtool info output . filename = "abc.red.prod.rrd" rrd_version = "0003" step = 2000 last_update = 1341392733 ds[resume_l].type = "GAUGE" ds[resume_l].minimal_heartbeat = 2000 ds[resume_l].min = NaN ds[resume_l].max = NaN ds[resume_l].last_ds = "22403399" ds[resume_l].value = 1.6471702915e+10 ds[resume_l].unknown_sec = 0 ds[suspend_l].type = "GAUGE" ds[suspend_l].minimal_heartbeat = 2000 ds[suspend_l].min = NaN ds[suspend_l].max = NaN ds[suspend_l].last_ds = "23203177" ds[suspend_l].value = 1.7281112506e+10 ds[suspend_l].unknown_sec = 0 rra[0].cf = "MIN" rra[0].rows = 44640 rra[0].cur_row = 31110 rra[0].pdp_per_row = 1 rra[0].xff = 5.0000000000e-01 rra[0].cdp_prep[0].value = NaN rra[0].cdp_prep[0].unknown_datapoints = 0 rra[0].cdp_prep[1].value = NaN rra[0].cdp_prep[1].unknown_datapoints = 0 rra[1].cf = "MAX" rra[1].rows = 44640 rra[1].cur_row = 32625 rra[1].pdp_per_row = 1 rra[1].xff = 5.0000000000e-01 rra[1].cdp_prep[0].value = NaN rra[1].cdp_prep[0].unknown_datapoints = 0 rra[1].cdp_prep[1].value = NaN rra[1].cdp_prep[1].unknown_datapoints = 0 rra[2].cf = "AVERAGE" rra[2].rows = 44640 rra[2].cur_row = 41634 rra[2].pdp_per_row = 1 rra[2].xff = 5.0000000000e-01 rra[2].cdp_prep[0].value = NaN rra[2].cdp_prep[0].unknown_datapoints = 0 rra[2].cdp_prep[1].value = NaN rra[2].cdp_prep[1].unknown_datapoints = 0 rra[3].cf = "LAST" rra[3].rows = 44640 rra[3].cur_row = 8075 rra[3].pdp_per_row = 1 rra[3].xff = 1.0000000000e-01 rra[3].cdp_prep[0].value = NaN rra[3].cdp_prep[0].unknown_datapoints = 0 rra[3].cdp_prep[1].value = NaN rra[3].cdp_prep[1].unknown_datapoints = 0 and this is the output of rrdtool dump .. only selected regions <!-- 2012-07-04 01:06:40 UTC / 1341364000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 01:40:00 UTC / 1341366000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 02:13:20 UTC / 1341368000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 02:46:40 UTC / 1341370000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 03:20:00 UTC / 1341372000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 03:53:20 UTC / 1341374000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 04:26:40 UTC / 1341376000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 05:00:00 UTC / 1341378000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 05:33:20 UTC / 1341380000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 06:06:40 UTC / 1341382000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 06:40:00 UTC / 1341384000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 07:13:20 UTC / 1341386000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 07:46:40 UTC / 1341388000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 08:20:00 UTC / 1341390000 --> <row><v> NaN </v><v> NaN </v></row> <!-- 2012-07-04 08:53:20 UTC / 1341392000 --> <row><v> NaN </v><v> NaN </v></row> </database> </rra> I am blocked on this any suggestion would be highly helpful Thanks ------------------------------------------------------------------------------ _______________________________________________ rrd-users mailing list rrd-users@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
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