gistfile1.txt

Whisper example of update value
-------------------------------

Have a look to Whisper data format map to learn how it is https://gist.github.com/pfreixes/1b4c9f0cf1c2bd19edf9



Network packets : ts value
+------------------+
|  1401614544 10.0 | packet 1
+------------------+
|  1401614556 7.0  | packet 2, 12' ahead from previous
+------------------+
|  1401614558 3.0  | packet 3, 2' ahead from previous
+------------------+
|        .         |
|        .         |
|        .         |
+------------------|
|  1401657744 11.0 | packet 4320
+------------------+

+------------------+
|     average      | 
+------------------+
|      300         | older ts, 1 week with retention each 100
+------------------+
|      0.5         | file factor
+------------------+          
|        2         | archives
+------------------+          
|+----------------+|          
||      @12       || 
|+----------------+|
||      10        || senconds per point
|+----------------+| 
||     8640       || 1 day of points
|+--------------- +| 
+------------------+
|+----------------+|
||  @8640 + header||
|+----------------+|
||      100       || seconds per point
|+----------------+|
||     6048       || 1 week
|+--------------- +|
+------------------+
| 1401614544  10.0 | packet 1
+------------------+
| 1401614556  3.0  | packet 3, aliniation data overrides slots with previous values !!!
+------------------+
|        .         |
|        .         |
|        .         |
+------------------+
| 1401657744  11.0 | packet 4320
+------------------+
|        0         |
|        0         |
|        0         |
|        .         |
|        .         |
+------------------+ <---- here starts next archive
| 1401614544  x    | avg(10, 3, ....) 10 points from previous archive
+------------------+
| 1401614644  y    | +100 seconcs 
+------------------+
|        0         |
|        0         |
|        0         |
|        .         |
|        .         |
+------------------+