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Bug #11640

closed

Ntopng configuration and data loss when shutting down Redis

Added by Denny Page about 3 years ago. Updated almost 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
ntop
Target version:
-
Start date:
03/09/2021
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Affected Version:
2.5.0
Affected Plus Version:
Affected Architecture:
All

Description

In addition to monitoring information, ntopng stores configuration/customization performed using the ntopng GUI in the Redis database.

The default Redis configuration flushes writes to disk every 15 minutes. When shutting down, ntopng.sh sends a SIGTERM to the Redis server, which causes in the Redis server exiting immediately without flushing pending writes to disk. This results in the loss of all data and configuration written since the last sync to disk.

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