Viewing performance history

View historical data on profiled fields, including auto checkpoints, disk and buffer activity, memory, virtual processors, and the B-tree scanner.

You can view data on specific fields over time and compare performance on multiple servers. For example, you can compare the total disk reads and total disk writes on a server or compare the total disk writes on two servers.

To view performance history:

  1. On the menu of the OpenAdmin Tool (OAT) for Informix®, click Performance Analysis > Performance History.
  2. Select the fields to display.
  3. Optional: Select up to three additional servers.

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