Akash Gupta created RANGER-5704:
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Summary: Ranger Admin Dashboard Charts are displaying dates based
on UTC Epoch instead of Local Time
Key: RANGER-5704
URL: https://issues.apache.org/jira/browse/RANGER-5704
Project: Ranger
Issue Type: Bug
Components: Ranger
Affects Versions: 2.9.0
Reporter: Akash Gupta
h3. *Summary*
The charts in the Ranger Admin Dashboard are rendering data points using the
raw UTC/Epoch time from the backend database. This leads to a mismatch between
the chart visualisation and the actual local time of the user.
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h3. *Steps to Reproduce*
# Log in to the Ranger Admin from a machine set to {*}PDT (UTC-7){*}.
# Perform a policy action (e.g., Create a Policy) at 8:00 PM local time in
Ranger Admin.
# Observe the Policy Actions/Change count chart.
# Result{*}:{*} The action is logged on the chart for the wrong date i.e. a
day earlier (relative to the user's system clock).
h3. *Expected Behaviour*
The chart should dynamically convert the database Epoch time to the User’s
Local Timezone (browser-based) so that the chart date reflects the actual day
the action occurred in the user's current location.
h3. *Current Behaviour*
Dashboard chart data is rendered according to UTC/Epoch time. This causes
significant confusion for users in time zones far from UTC:
* *PDT Users:* Often see policy actions from "today" appearing on the previous
date.
h3. *Technical Notes*
* Source Data: Database stores timestamps in Epoch/UTC.
* Affected Component: All the charts related data displayed on Ranger Admin
dashboard.
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