<font size=2 face="sans-serif">In a normal DevStack install, each Compute
instance causes one Ceilometer Sample every 10 minutes. Except, there
is an extra one every hour. And a lot of extra ones at the start.
What's going on here?</font>
<br>
<br><font size=2 face="sans-serif">For example:</font>
<br>
<br><tt><font size=2>$ ceilometer sample-list -m instance -q resource=9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab</font></tt>
<br><tt><font size=2>+--------------------------------------+----------+-------+--------+----------+----------------------------+</font></tt>
<br><tt><font size=2>| Resource ID
| Name |
Type | Volume | Unit | Timestamp
|</font></tt>
<br><tt><font size=2>+--------------------------------------+----------+-------+--------+----------+----------------------------+</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T18:09:28
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T18:00:54.009877 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:59:28
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:49:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:39:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:29:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:19:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:09:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T17:00:07.002075 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:59:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:49:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:39:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:29:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:19:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:09:26
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T16:00:20.172520 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T15:59:27
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T15:49:26
|</font></tt>
<br><tt><font size=2>...</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T05:19:21
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T05:09:21
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T05:00:41.909634 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:59:21
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:49:21
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:39:21
|</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:55.049799 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:54.834377 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:51.905095 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:40.962977 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:40.201907 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:40.091348 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:39.858939 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:39.693631 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:39.523561 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:39.421295 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:39.411968 |</font></tt>
<br><tt><font size=2>| 9108b64e-0e30-45fa-9fdf-ccc2b9cf8dab | instance
| gauge | 1.0 | instance | 2014-07-30T04:32:38.916604 |</font></tt>
<br><tt><font size=2>+--------------------------------------+----------+-------+--------+----------+----------------------------+</font></tt>
<br>
<br><font size=2 face="sans-serif">Thanks,<br>
Mike</font>