| Once you have
added a compaction rule, that rule will be displayed in the dialog as
numbers followed by single characters indicating retention period and rate
of compacted data samples (e.g. 1d 10m: over a period of 1 day,
aggregate data every 10 minutes). By
default, data is aggregated in the table specified by historyTableName.
Use the Alternate Table field to enter the name of another table.
|
Retention |
Enter a duration
and select the desired time range in which to perform compaction.
| Minutes |
m |
| Hours |
h |
| Days |
d |
| Weeks (7 days) |
w |
| Months (31 days) |
M |
| Years (365 days) |
y |
|
|
Compacted in ... Samples |
Compaction rate of
data samples within the specified retention period. Enter the duration and
select the desired time period from the drop down menu.
NOTE: If you select
Raw, all values are retained and no compaction is performed.
| Raw |
- |
| Second |
s |
| Minute |
m |
| Hour |
h |
| Day |
d |
| Week (7 days) |
w |
| Month (31 days) |
M |
| Year (365 days) |
y |
|
|
Alternate Table |
Enter an alternate
table name in which to compact data. By default, data is compacted in the
table specified by historyTableName. |
|
|
Once you have
added a compaction rule, that rule will be displayed in the dialog as
numbers followed by single characters indicating retention period and rate
of compacted data samples (e.g. 1d 10m: retain data for 1 day, create
a new displaced table every 10 minutes).
NOTE: Currently, when the selected compactionType is Displace,
this property only supports one compaction rule
Displaced tables are created and named
according to the specified retention period and rate of compaction. (e.g.
historyTableName_2009_06_16_14_35, historyTableName_2009_06_16_14_45, etc.).
|
Retention |
Amount of time
displaced tables will be retained before being deleted. Enter the duration and
select the desired retention period from the drop down menu (e.g. 1d:
retain displaced tables for one day)
| Minutes |
m |
| Hours |
h |
| Days |
d |
| Weeks (7 days) |
w |
| Months (31 days) |
M |
| Years (365 days) |
y |
|
|
Compacted in ... Samples |
Compaction rate of
data samples within the specified retention period. Enter the
duration and select the desired time period from the drop down menu. (e.g. 10m:
create a new displaced table every 10 minutes).
NOTE: If you select
Raw, all values are retained and no compaction is performed.
| Raw |
- |
| Second |
s |
| Minute |
m |
| Hour |
h |
| Day |
d |
| Week (7 days) |
w |
| Month (31 days) |
M |
| Year (365 days) |
y |
|
|
