Moritz Wirth

Add table sizes

5

This MR adds total_relation_size, relation_size, indexes_size for all tables in all schemas. Implements #1036

Add Table Size from Exporter

3

## Proposal We want to monitor database sizes over Prometheus to detect if tables are running full. However, this metric is not (yet ;)) exported by this exporter. PostgreSQL has...

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fix: Inproper signal handling

10

## Description Fixes #4839. Replaces the current implementation with a helper implementation to avoid os. ## TODOs Read the [Gruntwork contribution guidelines](https://gruntwork.notion.site/Gruntwork-Coding-Methodology-02fdcd6e4b004e818553684760bf691e). - [x] I authored this code entirely myself...