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[LDM #ADF-956714]: intermittent data feed (UNCLASSIFIED)
- Subject: [LDM #ADF-956714]: intermittent data feed (UNCLASSIFIED)
- Date: Tue, 22 May 2012 10:42:08 -0600
Paul,
> I receive stage river gage data via my division office. They are receiving
> a continuous data feed, but I am receiving only intermittently. Below
> is an example for the last five days.
>
> This started happening about two months ago. Before that we had solid
> feeds.
>
> Any suggestions on how to diagnose the issue and/or what might be
> the cause?
The first place to look would be in the LDM log files of both the upstream and
downstream sites.
If a notifyme(1) command executed by the LDM user on the downstream site to the
upstream site indicates that the downstream can receive data, then the LDM
system on the downstream site should receive the data. It would then be
unlikely that any problems with data reception are due to the LDM system.
Perhaps the bandwidth of the connection is insufficient. A large latency would
indicate this. You could put the downstream LDM in "verbose" logging mode
(ldmadmin start -v) and look at its log file to see what the latency is by
comparing the creation-time of each product with the timestamp of the log
message.
> Paul Cocca, P.E.
> Hydraulic Engineer
> U.S. Army Corps of Engineers, Buffalo District
> 1776 Niagara St.
> Buffalo, NY 14207-3199
> 716-879-4332
>
> Ordinate Date / Time MtMorris Elev lrddomsat-raw
> --------------------------------------------------------
> Units ft
> Type INST-VAL
> 1 16 May 12, 12:00 590.64
> 2 16 May 12, 12:30 590.66
> 3 16 May 12, 13:00 590.66
> 4 16 May 12, 13:30 590.66
> 5 16 May 12, 14:00 590.65
> 6 16 May 12, 14:30 590.62
> 7 16 May 12, 15:00 590.61
> 8 16 May 12, 15:30
> 9 16 May 12, 16:00
> 10 16 May 12, 16:30 590.57
> 11 16 May 12, 17:00 590.56
> 12 16 May 12, 17:30 590.56
> 13 16 May 12, 18:00 590.55
> 14 16 May 12, 18:30 590.55
> 15 16 May 12, 19:00 590.55
> 16 16 May 12, 19:30 590.54
> 17 16 May 12, 20:00 590.54
> 18 16 May 12, 20:30 590.54
> 19 16 May 12, 21:00 590.54
> 20 16 May 12, 21:30 590.54
> 21 16 May 12, 22:00 590.54
> 22 16 May 12, 22:30 590.54
> 23 16 May 12, 23:00 590.54
> 24 16 May 12, 23:30 590.54
> 25 16 May 12, 24:00 590.54
> 26 17 May 12, 00:30 590.54
> 27 17 May 12, 01:00 590.54
> 28 17 May 12, 01:30 590.54
> 29 17 May 12, 02:00 590.54
> 30 17 May 12, 02:30 590.54
> 31 17 May 12, 03:00 590.54
> 32 17 May 12, 03:30 590.54
> 33 17 May 12, 04:00 590.54
> 34 17 May 12, 04:30 590.54
> 35 17 May 12, 05:00 590.54
> 36 17 May 12, 05:30 590.54
> 37 17 May 12, 06:00 590.54
> 38 17 May 12, 06:30 590.54
> 39 17 May 12, 07:00 590.54
> 40 17 May 12, 07:30 590.54
> 41 17 May 12, 08:00 590.54
> 42 17 May 12, 08:30 590.54
> 43 17 May 12, 09:00 590.54
> 44 17 May 12, 09:30 590.54
> 45 17 May 12, 10:00 590.54
> 46 17 May 12, 10:30 590.54
> 47 17 May 12, 11:00 590.54
> 48 17 May 12, 11:30 590.54
> 49 17 May 12, 12:00 590.54
> 50 17 May 12, 12:30
> 51 17 May 12, 13:00
> 52 17 May 12, 13:30
> 53 17 May 12, 14:00
> 54 17 May 12, 14:30
> 55 17 May 12, 15:00
> 56 17 May 12, 15:30
> 57 17 May 12, 16:00
> 58 17 May 12, 16:30 590.52
> 59 17 May 12, 17:00 590.52
> 60 17 May 12, 17:30 590.52
> 61 17 May 12, 18:00 590.52
> 62 17 May 12, 18:30 590.52
> 63 17 May 12, 19:00 590.51
> 64 17 May 12, 19:30 590.51
> 65 17 May 12, 20:00 590.51
> 66 17 May 12, 20:30 590.51
> 67 17 May 12, 21:00 590.51
> 68 17 May 12, 21:30 590.50
> 69 17 May 12, 22:00 590.50
> 70 17 May 12, 22:30
> 71 17 May 12, 23:00
> 72 17 May 12, 23:30
> 73 17 May 12, 24:00
> 74 18 May 12, 00:30
> 75 18 May 12, 01:00
> 76 18 May 12, 01:30
> 77 18 May 12, 02:00
> 78 18 May 12, 02:30
> 79 18 May 12, 03:00
> 80 18 May 12, 03:30
> 81 18 May 12, 04:00
> 82 18 May 12, 04:30
> 83 18 May 12, 05:00
> 84 18 May 12, 05:30 590.46
> 85 18 May 12, 06:00 590.46
> 86 18 May 12, 06:30 590.45
> 87 18 May 12, 07:00 590.45
> 88 18 May 12, 07:30 590.45
> 89 18 May 12, 08:00 590.45
> 90 18 May 12, 08:30 590.44
> 91 18 May 12, 09:00 590.43
> 92 18 May 12, 09:30 590.43
> 93 18 May 12, 10:00 590.43
> 94 18 May 12, 10:30 590.42
> 95 18 May 12, 11:00 590.42
> 96 18 May 12, 11:30 590.42
> 97 18 May 12, 12:00 590.41
> 98 18 May 12, 12:30 590.41
> 99 18 May 12, 13:00 590.41
> 100 18 May 12, 13:30
> 101 18 May 12, 14:00
> 102 18 May 12, 14:30
> 103 18 May 12, 15:00
> 104 18 May 12, 15:30
> 105 18 May 12, 16:00
> 106 18 May 12, 16:30
> 107 18 May 12, 17:00
> 108 18 May 12, 17:30
> 109 18 May 12, 18:00
> 110 18 May 12, 18:30 590.36
> 111 18 May 12, 19:00 590.35
> 112 18 May 12, 19:30 590.35
> 113 18 May 12, 20:00 590.35
> 114 18 May 12, 20:30 590.34
> 115 18 May 12, 21:00 590.33
> 116 18 May 12, 21:30 590.32
> 117 18 May 12, 22:00 590.32
> 118 18 May 12, 22:30 590.31
> 119 18 May 12, 23:00 590.31
> 120 18 May 12, 23:30
> 121 18 May 12, 24:00
> 122 19 May 12, 00:30
> 123 19 May 12, 01:00
> 124 19 May 12, 01:30
> 125 19 May 12, 02:00
> 126 19 May 12, 02:30 590.27
> 127 19 May 12, 03:00 590.26
> 128 19 May 12, 03:30 590.26
> 129 19 May 12, 04:00 590.26
> 130 19 May 12, 04:30 590.25
> 131 19 May 12, 05:00 590.25
> 132 19 May 12, 05:30 590.24
> 133 19 May 12, 06:00 590.23
> 134 19 May 12, 06:30 590.22
> 135 19 May 12, 07:00 590.22
> 136 19 May 12, 07:30 590.21
> 137 19 May 12, 08:00 590.21
> 138 19 May 12, 08:30 590.20
> 139 19 May 12, 09:00 590.20
> 140 19 May 12, 09:30 590.19
> 141 19 May 12, 10:00 590.19
> 142 19 May 12, 10:30 590.18
> 143 19 May 12, 11:00 590.18
> 144 19 May 12, 11:30 590.17
> 145 19 May 12, 12:00 590.17
> 146 19 May 12, 12:30 590.17
> 147 19 May 12, 13:00 590.16
> 148 19 May 12, 13:30 590.16
> 149 19 May 12, 14:00 590.15
> 150 19 May 12, 14:30 590.15
> 151 19 May 12, 15:00 590.15
> 152 19 May 12, 15:30 590.14
> 153 19 May 12, 16:00 590.14
> 154 19 May 12, 16:30 590.13
> 155 19 May 12, 17:00 590.13
> 156 19 May 12, 17:30 590.12
> 157 19 May 12, 18:00 590.11
> 158 19 May 12, 18:30 590.11
> 159 19 May 12, 19:00 590.11
> 160 19 May 12, 19:30 590.10
> 161 19 May 12, 20:00 590.10
> 162 19 May 12, 20:30 590.10
> 163 19 May 12, 21:00 590.09
> 164 19 May 12, 21:30
> 165 19 May 12, 22:00
> 166 19 May 12, 22:30
> 167 19 May 12, 23:00
> 168 19 May 12, 23:30
> 169 19 May 12, 24:00
> 170 20 May 12, 00:30
> 171 20 May 12, 01:00
> 172 20 May 12, 01:30
> 173 20 May 12, 02:00
> 174 20 May 12, 02:30 590.04
> 175 20 May 12, 03:00 590.04
> 176 20 May 12, 03:30 590.03
> 177 20 May 12, 04:00 590.02
> 178 20 May 12, 04:30 590.02
> 179 20 May 12, 05:00 590.01
> 180 20 May 12, 05:30 590.01
> 181 20 May 12, 06:00 590.01
> 182 20 May 12, 06:30 590.00
> 183 20 May 12, 07:00 590.00
> 184 20 May 12, 07:30 589.99
> 185 20 May 12, 08:00 589.99
> 186 20 May 12, 08:30 589.98
> 187 20 May 12, 09:00 589.98
> 188 20 May 12, 09:30 589.98
> 189 20 May 12, 10:00 589.97
> 190 20 May 12, 10:30 589.97
> 191 20 May 12, 11:00 589.97
> 192 20 May 12, 11:30 589.97
> 193 20 May 12, 12:00 589.96
> 194 20 May 12, 12:30 589.96
> 195 20 May 12, 13:00 589.96
> 196 20 May 12, 13:30 589.96
> 197 20 May 12, 14:00 589.96
> 198 20 May 12, 14:30 589.95
> 199 20 May 12, 15:00 589.95
> 200 20 May 12, 15:30 589.95
> 201 20 May 12, 16:00 589.95
> 202 20 May 12, 16:30 589.94
> 203 20 May 12, 17:00 589.94
> 204 20 May 12, 17:30 589.94
> 205 20 May 12, 18:00 589.93
> 206 20 May 12, 18:30 589.93
> 207 20 May 12, 19:00 589.92
> 208 20 May 12, 19:30 589.92
> 209 20 May 12, 20:00 589.91
> 210 20 May 12, 20:30 589.91
> 211 20 May 12, 21:00 589.91
> 212 20 May 12, 21:30 589.90
> 213 20 May 12, 22:00 589.90
> 214 20 May 12, 22:30 589.89
> 215 20 May 12, 23:00 589.89
> 216 20 May 12, 23:30
> 217 20 May 12, 24:00
> 218 21 May 12, 00:30 589.87
> 219 21 May 12, 01:00 589.87
> 220 21 May 12, 01:30 589.87
> 221 21 May 12, 02:00 589.86
> 222 21 May 12, 02:30 589.86
> 223 21 May 12, 03:00 589.86
> 224 21 May 12, 03:30 589.86
> 225 21 May 12, 04:00 589.86
> 226 21 May 12, 04:30 589.86
> 227 21 May 12, 05:00 589.86
> 228 21 May 12, 05:30 589.85
> 229 21 May 12, 06:00 589.85
> 230 21 May 12, 06:30 589.85
> 231 21 May 12, 07:00 589.85
> 232 21 May 12, 07:30 589.85
> 233 21 May 12, 08:00 589.84
> 234 21 May 12, 08:30 589.84
> 235 21 May 12, 09:00 589.84
> 236 21 May 12, 09:30 589.84
> 237 21 May 12, 10:00 589.84
> 238 21 May 12, 10:30 589.84
> 239 21 May 12, 11:00 589.84
> 240 21 May 12, 11:30
> 241 21 May 12, 12:00
> 242 21 May 12, 12:30
> 243 21 May 12, 13:00
>
>
> Classification: UNCLASSIFIED
> Caveats: NONE
>
>
>
Regards,
Steve Emmerson
Ticket Details
===================
Ticket ID: ADF-956714
Department: Support LDM
Priority: Normal
Status: Closed
