Fix corrupt HDFS Files without losing data (files in the datanode still exist)
问题 I am new to the HDFS system and I come across a HDFS question. We have a HDFS file system, with the namenode on a server (with this server named as 0002) and datanode on two other servers (with these two severs named as 0004 and 0005 respectively). The original data comes from a Flume application and with the "Sink" in the Flume as HDFS. The Flume will write the original data (txt files) into the datanode on the servers 0004 and 0005. So, the original data is replicated twice and saved under