AWS for Fluent Bit 2.28.1

2.28.1

This release includes:

• Fluent Bit 1.9.8
• Amazon CloudWatch Logs for Fluent Bit 1.9.0
• Amazon Kinesis Streams for Fluent Bit 1.10.0
• Amazon Kinesis Firehose for Fluent Bit 1.7.0

Compared to 2.28.0 this release adds the following feature that we are working on getting accepted upstream:

• Bug - Resolve long tag segfault issue. Without this patch, Fluent Bit may segfault if it encounters tags over 256 characters in length. fluentbit:5753

---

We’ve run the new released image in our ECS load testing framework and here is the result. This testing result provides benchmarks of aws-for-fluent-bit under different input load. Learn more about the load test.

plugin		20Mb/s	25Mb/s	30Mb/s
kinesis_firehose	Log Loss	✅	✅	✅
	Log Duplication	✅	0%(500)	✅
kinesis_streams	Log Loss	✅	✅	✅
	Log Duplication	0%(23000)	✅	0%(30996)
s3	Log Loss	✅	✅	✅
	Log Duplication	✅	✅	✅

plugin		1Mb/s	2Mb/s	3Mb/s
cloudwatch_logs	Log Loss	✅	✅	✅
	Log Duplication	✅	✅	✅

Note:

• The green check ✅ in the table means no log loss or no log duplication.
• Number in parentheses means the number of records out of total records. For example, 0%(1064/1.8M) under 30Mb/s throughput means 1064 duplicate records out of 18M input records by which log duplication percentage is 0%.
• For CloudWatch output, the only safe throughput where we consistently don't see log loss is 1 MB/s. At 2 Mb/s and beyond, we occasionally see some log loss and throttling.
• Log loss is the percentage of data lost and log duplication is the percentage of duplicate logs received at the destination. Your results may differ because they can be influenced by many factors like different configs and environment settings. Log duplication is exclusively caused by partially succeeded batches that were retried, which means it is random.