Re: NN config questions

2015-01-26 Thread Ravi Prakash
Hi Dave! Here the class which is used to store all the edits : https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java#L575 HTHRavi On Monday, January 26, 2015 10:32 AM, dlmar...@comcast.net

NN config questions

2015-01-26 Thread dlmarion
If multiple directories are specified for dfs.namenode.name.dir and dfs.namenode.edits.dir, are the writes to the different directories done in parallel or serial? Does dfs.namenode.shared.edits.dir support multiple directories like the properties above? Thanks, Dave