【Kafka】Failed to send data to Kafka: Failed to allocate memory within the configured max blocking

1.美圖

2.背景

報錯

java.lang.Exception: Failed to send data to Kafka: Failed to allocate memory within the configured max blocking time 60000 ms.
        at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase.checkErroneous(FlinkKafkaProducerBase.java:376)
        at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer010.invoke(FlinkKafkaProducer010.java:352)
        at org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:56)