feat: control memory consumption by fluentbit

Denis Shuvalov · Denis Shuvalov · commit cb22fded77e3 · 2025-04-02T16:06:57.000+02:00
diff --git a/buildpack/telemetry/fluentbit.py b/buildpack/telemetry/fluentbit.py
@@ -20,7 +20,9 @@
         "FLUENTBIT_LOG_LEVEL", default="info"
     ).lower(),
     "FLUENTBIT_LOGS_BUFFER_SIZE": os.getenv(
-        "FLUENTBIT_LOGS_BUFFER_SIZE", default="32")
+        "FLUENTBIT_LOGS_BUFFER_SIZE", default="32"),
+    "FLUENTBIT_LOGS_MEM_BUF_LIMIT": os.getenv(
+        "FLUENTBIT_LOGS_MEM_BUF_LIMIT", default="50MB")
 }
 
 
diff --git a/etc/fluentbit/fluentbit.conf b/etc/fluentbit/fluentbit.conf
@@ -5,6 +5,7 @@
     Format      json
     Log_Level   ${FLUENTBIT_LOG_LEVEL}
     Buffer_Size ${FLUENTBIT_LOGS_BUFFER_SIZE}
+    Mem_Buf_Limit ${FLUENTBIT_LOGS_MEM_BUF_LIMIT}
 
 [FILTER]
     Name    lua

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,9 @@`
`20`	`20`	`"FLUENTBIT_LOG_LEVEL", default="info"`
`21`	`21`	`).lower(),`
`22`	`22`	`"FLUENTBIT_LOGS_BUFFER_SIZE": os.getenv(`
`23`		`- "FLUENTBIT_LOGS_BUFFER_SIZE", default="32")`
	`23`	`+ "FLUENTBIT_LOGS_BUFFER_SIZE", default="32"),`
	`24`	`+ "FLUENTBIT_LOGS_MEM_BUF_LIMIT": os.getenv(`
	`25`	`+ "FLUENTBIT_LOGS_MEM_BUF_LIMIT", default="50MB")`
`24`	`26`	`}`
`25`	`27`
`26`	`28`