Index: core/src/main/scala/kafka/producer/KafkaLog4jAppender.scala
===================================================================
--- core/src/main/scala/kafka/producer/KafkaLog4jAppender.scala	(revision 1307067)
+++ core/src/main/scala/kafka/producer/KafkaLog4jAppender.scala	(working copy)
@@ -22,9 +22,7 @@
 import org.apache.log4j.AppenderSkeleton
 import org.apache.log4j.helpers.LogLog
 import kafka.utils.Logging
-import kafka.serializer.Encoder
 import java.util.{Properties, Date}
-import kafka.message.Message
 import scala.collection._
 
 class KafkaLog4jAppender extends AppenderSkeleton with Logging {
@@ -34,7 +32,11 @@
   var serializerClass:String = null
   var zkConnect:String = null
   var brokerList:String = null
-  
+  var producerType:String = null
+  var compressionCodec:String = null
+  var enqueueTimeout:String = null
+  var queueSize:String = null
+
   private var producer: Producer[String, String] = null
 
   def getTopic:String = topic
@@ -49,6 +51,18 @@
   def getSerializerClass:String = serializerClass
   def setSerializerClass(serializerClass:String) { this.serializerClass = serializerClass }
 
+  def getProducerType:String = producerType
+  def setProducerType(producerType:String) { this.producerType = producerType }
+  
+  def getCompressionCodec:String = compressionCodec
+  def setCompressionCodec(compressionCodec:String) { this.compressionCodec = compressionCodec }
+  
+  def getEnqueueTimeout:String = enqueueTimeout
+  def setEnqueueTimeout(enqueueTimeout:String) { this.enqueueTimeout = enqueueTimeout }
+
+  def getQueueSize:String = queueSize
+  def setQueueSize(queueSize:String) { this.queueSize = queueSize }
+
   override def activateOptions() {
     val connectDiagnostic : mutable.ListBuffer[String] = mutable.ListBuffer();
     // check for config parameter validity
@@ -68,6 +82,11 @@
       LogLog.warn("Using default encoder - kafka.serializer.StringEncoder")
     }
     props.put("serializer.class", serializerClass)
+    //These have default values in ProducerConfig and AsyncProducerConfig. We don't care if they're not specified
+    if(producerType != null) props.put("producer.type", producerType)
+    if(compressionCodec != null) props.put("compression.codec", compressionCodec)
+    if(enqueueTimeout != null) props.put("queue.enqueueTimeout.ms", enqueueTimeout)
+    if(queueSize != null) props.put("queue.size", queueSize)
     val config : ProducerConfig = new ProducerConfig(props)
     producer = new Producer[String, String](config)
     LogLog.debug("Kafka producer connected to " + (if(config.zkConnect == null) config.brokerList else config.zkConnect))