Heatmap v2.5 – Diskover Data

Heatmap Overview

The Heatmap report compares two indices from two different points in time and highlights where data has grown or shrunk. It’s a fast, visual way to spot changes across large directory structures.

Red → Data growth
Green → Data shrinkage
No change → Data inertia—this is often useful when verifying that two systems match, for example, checking whether a cloud backup mirrors an on-premise server.

🔆 The Heatmap is especially helpful for:

Monitoring new project onboarding.
Tracking backup activity.
Validating data replication or synchronization.
Identifying unexpected changes that may require cleanup or investigation.

⚙️Customizable? This report is not customizable.
🌍 Scope: Selected indices.

How to Select Indices for the Heatmap Report

Before opening the Heatmap, you must select two indices—otherwise, the report cannot run.

→ To compare the same environment over time (recommended):

Select the same volume/index name in both columns (D and E below), choosing two different dates.

→ To compare different locations (e.g., on-prem vs. cloud backup):

Select two different indices if that comparison makes sense for your workflow.

⚠️ IMPORTANT! Your index selections stay active until changed. If you want Diskover to always use the most recent index automatically, return to the Indices page and re-enable Always use latest indices.

STEP	DESCRIPTION
A	From the ⚙️ menu, select Indices.
B	Select Manual selection.
C	OPTIONAL—Filter indices by keyword.
D	Select the first index in the Index column.
E	Select a second index in the Index 2 column.
F	Click Save selection.

How to Access the Heatmap Report

Once two indices are selected.

From the Analytics menu	From the results pane → path column

How to Use the Heatmap

CALLOUT	DESCRIPTION
A	Path bar: Paste or enter a path to jump directly to that location.
B	Go: Acts like pressing Return/Enter after typing or pasting a path.
C	Up Level: Moves up one directory at a time until you reach the top of the volume.
D	Reload: Refreshes the cached data used to generate the Heatmap.
E	Size Filter: Show only results above a certain size.
F	Mtime Filters: Focus on data modified during a specific time range. Min Mtime Filter: Show only files modified after a certain time. Max Mtime Filter: Show only files modified before a certain time.
G	Hide Thresh: Hide very small percentages to reduce visual clutter.
H	Size or Count: Switch between analyzing by: Size → total storage used Count → number of items
I	Maxdepth: Choose how many directory levels appear in the Heatmap.
J	Show new: Toggle whether new directories appear in the comparison. New directories often show up as large red blocks (because they didn’t exist in the older index). This can be either distracting or exactly what you want to investigate—depending on your goal.
K	Show Files: Include files in the Heatmap instead of showing only directories.
L	Filters Summary: Summary of the filters you might have selected. ⚠️ Filters stay active across different analytics pages until cleared.
M	Items per page: Adjust how many items appear in the results table (10 to 100).
N	Search within page: A quick way to filter the current table—similar to using CTRL/CMD+F, but interactive. Only matching rows remain visible. Clearing the field restores the full list.
O	Results pane: Sort any column by clicking the arrows in the header.
P	Launch the Heatmap for a specific path.
Q	Open that path in the search page. Example of the delta you would see in the search page when 2 indices from 2 different points in time are selected:
R	Hover over any rectangle/directory to see detailed information about changes between the two indices.

Heatmap Overview

How to Select Indices for the Heatmap Report

How to Access the Heatmap Report

How to Use the Heatmap

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