在下面的日志中，您将看到加载 Snappy 本机库后，大约需要 20 分钟才能继续。
谁能告诉我问题和解决方案？
是不是因为网络问题？
2013-04-09 06:29:42,639 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics with processName=MAP, sessionId=
2013-04-09 06:29:43,947 INFO org.apache.hadoop.mapred.MapTask: io.sort.mb = 1024
2013-04-09 06:29:44,434 INFO org.apache.hadoop.mapred.MapTask: data buffer = 816043776/1020054736
2013-04-09 06:29:44,435 INFO org.apache.hadoop.mapred.MapTask: record buffer = 2684354/3355443
2013-04-09 06:29:44,448 WARN org.apache.hadoop.io.compress.snappy.LoadSnappy: Snappy native library is available
2013-04-09 06:29:44,448 INFO org.apache.hadoop.io.compress.snappy.LoadSnappy: Snappy native library loaded
2013-04-09 06:48:29,783 INFO org.apache.hadoop.mapred.MapTask: Spilling map output: record full = true
2013-04-09 06:48:29,783 INFO org.apache.hadoop.mapred.MapTask: bufstart = 0; bufend = 423372603; bufvoid = 1020054736
2013-04-09 06:48:29,783 INFO org.apache.hadoop.mapred.MapTask: kvstart = 0; kvend = 2684354; length = 3355443
2013-04-09 06:49:32,969 INFO org.apache.hadoop.io.compress.CodecPool: Got brand-new compressor