kafka连接的OOM例外

Question

我写了一个kafka连接jar，我得到以下错误：

我在KAFKA_HEAP_OPTS="-Xmx8g"中提供了kafka-run-class。另外，对于连接偏移，我提供了50个分区。我作为docker的一部分运行它，并为容器设置了专门设置的8 GB内存。如果要设置任何重要参数以确保不会抛出OOM异常，请告诉我。

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "KafkaBasedLog Work Thread - connect-status"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "kafka-producer-network-thread | producer-4"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "kafka-producer-network-thread | producer-3"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "kafka-producer-network-thread | producer-2"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "DistributedHerder"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "qtp667346055-26"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "KafkaBasedLog Work Thread - connect-offsets"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "KafkaBasedLog Work Thread - connect-configs"
Exception in thread "org.eclipse.jetty.server.session.HashSessionManager@7d9d0818Timer" java.lang.OutOfMemoryError: Java heap space
2017-10-13 11:50:52,320 ERROR   Task METEOSATJDBCSink-0 threw an uncaught and unrecoverable exception during shutdown   (org.apache.kafka.connect.runtime.WorkerTask:123)
java.lang.OutOfMemoryError: Java heap space