10 the recentsample table, 4 the sample data and inventory tables, The recentsample table – HP 3PAR System Reporter Software User Manual

Page 306: The sample data and inventory tables

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10.14

The Sample Data and Inventory Tables

3PAR System Reporter User’s Guide

System Reporter 2.8

10.3.10 The recentsample Table

The recentsample_1 table contains a row for each sample resolution containing the time of

the most recent sample for that resolution.

Beginning with the 2.4.1 release System Reporter inserts data from each InServ system into the

database separately. Consequently, a given data table at a specific time may contain data from

only some of the systems since the remaining systems’ data may not have been inserted yet. In

order to avoid reporting on such partial samples, System Reporter updates the recentsample

table with the time of the most recent complete sample for each resolution.

10.4 The Sample Data and Inventory Tables

The sample data tables include the space and performance samples of various objects in the

InServ systems. For each type of sample, there are three separate tables, one for each sampling

resolution:

hires - High resolution samples

hourly - Hourly samples

daily - Daily sample.

The tables for the different resolutions are identical in their structure. In the table names, the

substring <res> can be replaced by either hires, hourly or daily.

The database often needs to be queried to determine all the objects that are present in the

table. Often, this information is used to populate the menus in a web browser or Excel client.

Since the data tables can be very large, this type of query can take a long time in spite of

Table 10-10. recentsample_1 Table

Column

Type

Comment

resolution

VARCHAR(32) NOT

NULL

The sample resolution, one of hires, hourly or

daily.

tsecs

INTEGER NOT

NULL

Sample time in secs of the most recent complete

sample of the resolution. This is the Unix time

and is the number of seconds since 0:00:00 Jan 1,

1970 GMT.

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