Fluent-bit Disk Plugin

How to Integrate Fluent-bit Disk Plugin with Apica Ascent

1. Introduction

This guide explains how to send Disk metrics to Apica Ascent with Fluent-bit, and how to view them.

2. Configure the Disk Plugin in Fluent-bit

Update your Fluent-bit.conf with an input and filter for the Disk Plugin:

[INPUT]
    Name Disk
    Tag  Disk
    Interval_Sec  1
    Interval_NSec 0 

[FILTER]
    Name   modify
    Match  Disk
    Add    namespace Fluent-bit
    Add    app_name Disk
 

Restart Fluent-bit with systemctl restart fluent-bit and check the status with systemctl status fluent-bit to verify that it’s running correctly.

Helpful Links:

• Official Plugin documentation.

• Set up Fluent-bit for Apica Ascent.

3. Verify Logs in Apica Ascent

1. Log in to Apica Ascent

2. Navigate to Explore → Logs & Insights

3. Look for the namespace and application name specified in the config file

Example:

4. Example logs

Message:

{"app_name":"Disk","date":1764593736.599246,"namespace":"Fluent-bit","read_size":532480,"write_size":40468480}

StructuredData :

_size: 110
date: 1764593736.599246
read_size: 532480
write_size: 40468480

5. Troubleshooting

Fluent-bit Troubleshooting

If you match the logs on disk and they don’t show up in Apica Ascent, you may have to match on disk.* instead as the disk plugin will tag the logs with something like disk.