xx789633 commented on code in PR #1909:
URL: https://github.com/apache/fluss/pull/1909#discussion_r2480052140


##########
website/docs/streaming-lakehouse/integrate-data-lakes/lance.md:
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@@ -72,6 +72,8 @@ Additionally, when following the [Start Datalake Tiering 
Service](maintenance/ti
 
 > **NOTE**: Fluss v0.8 only supports tiering log tables to Lance.
 
+> **NOTE**: The Lance connector leverages Arrow Java library, which operates 
on off-heap memory. To prevent `java.lang.OutOfMemoryError: Direct buffer 
memory` error in Flink Task Manager, please increase the value of 
`taskmanager.memory.task.off-heap.size` in `<FLINK_HOME>/conf/config.yaml` to 
an appropriate size.

Review Comment:
   I have updated this to a more concrete suggestion.



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