---
schema_version: "1"
id: 7ffc8ae885576be9348af6703370ce274d7010a68af28b079a0b87e87156f736
title: Technical Data Subject Areas
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/cc/264-0-0/b2c_technical_data_subject_areas.md
canonical_url: https://help.salesforce.com/s/articleView?id=cc.b2c_technical_data_subject_areas.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: e4f0793f324a81db52227da0ac7358dbe59a7d50ba1090a91e2cae0904d78231
description: Use the B2C Commerce data dimensions and measures to evaluate the performance of controller requests, included controller requests, and Open Commerce API (OCAPI) requests.
products:
  - Commerce
  - B2C Commerce
release: "264"
---
# Technical Data Subject Areas

Use the B2C Commerce data dimensions and measures to evaluate the performance of controller requests, included controller requests, and Open Commerce API (OCAPI) requests.

**Controller Requests**–Review the performance of the main controller requests for your system controllers. For example, evaluate system performance and isolate controller performance issues.

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small ">
        <colgroup>
          <col style="width:22.22222222222222%">
          <col style="width:77.77777777777779%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="col" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" id="d119633e43">Attribute (Dimension)</th>
            <th scope="col" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" id="d119633e46">Description</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e43 ">Dev Timestamp</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e46 ">Timestamp of the controller request</td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e43 ">Site Name</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e46 ">Name of the site from where the request originates</td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e43 ">Controller Name</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e46 ">Name of the controller called in the request</td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e43 ">Cache Behavior</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e46 ">
              <p>Cache hit—Percentage of responses retrieved from the web adapter page
                cache </p>
              <ul>
                <li><strong>Cache miss and store</strong>—Percentage of responses created by an app server, marked as
                  cacheable, and stored in the web adapter page cache</li>

                <li><strong>Cache miss</strong>—Percentage of responses not retrieved from the web adapter page
                  cache</li>

              </ul>
            </td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e43 ">Status Code</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e46 ">Percent of total requests that resulted in a non200-level response code
            </td>

          </tr>
        </tbody>
      </table>

  
| Metric (Measure) | Description | Type |
| --- | --- | --- |
| Controller Requests | Requested system controller | Count |
| Controller Processing Time | Average controller response time in milliseconds | Count |

**Included Controller requests**–Review performance details for include calls made by the controller. For example, assess the performance of each include call.

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small ">
        <colgroup>
          <col style="width:22.22222222222222%">
          <col style="width:77.77777777777779%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="col" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" id="d119633e188">Attribute (Dimension)</th>
            <th scope="col" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" id="d119633e191">Description</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e188 ">Dev Timestamp</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e191 ">Timestamp of the controller request</td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e188 ">Site Name</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e191 ">Name of the site from where the request originates</td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e188 ">Included Controller Name</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e191 ">Name of the controller called in the request</td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e188 ">Cache Behavior</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e191 ">
              <p>Cache hit—Percentage of responses retrieved from the web adapter page
                cache </p>
              <ul>
                <li><strong>Cache miss and store</strong>—Percentage of responses created by an app server, marked as
                  cacheable, and stored in the web adapter page cache</li>

                <li><strong>Cache miss</strong>—Percentage of responses not retrieved from the web adapter page
                  cache</li>

              </ul>
            </td>

          </tr>
          <tr class="">
            <td data-label="Attribute (Dimension)" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e188 ">Status Code</td>

            <td data-label="Description" class="slds-cell-wrap" style="text-align:left;vertical-align:top;" headers="d119633e191 ">Percent of total requests that resulted in a non-200-level response code
            </td>

          </tr>
        </tbody>
      </table>

  
| Metric (Measure) | Description | Type |
| --- | --- | --- |
| Controller Requests | Requested system controller | Count |
| Controller Processing Time | Average controller response time in milliseconds | Count |

**OCAPI requests**–Review performance details for include calls made by the controller. For example, assess the performance of each include call.

 
| Attribute (Dimension) | Description |
| --- | --- |
| Dev Timestamp | Timestamp of the controller request |
| Site Name | Name of the site from where the request originates |
| Resource Name | Requested OCAPI resource |
| Client ID | Unique client ID |
| Version | OCAPI version |
| API | API version |
| Status Code | Percent of total requests that resulted in a non-200-level response code |
| Method | Method used in the request |

  
| Metric (Measure) | Description | Type |
| --- | --- | --- |
| Number of OCAPI Requests | Requested system controller | Count |
| Controller Processing Time | Average OCAPI response time in milliseconds | Count |