If you have a large number of files in HDFS, the fsimage file is very big. When the namenode restarts, it writes a copy of the fsimage to all directories configured in fs.name.dir. This takes a long time, especially if there are many directories in fs.name.dir. Make the NN write the fsimage to all these directories in parallel.
|Status||Patch Available [ 10002 ]||Open [ 1 ]|
|Status||Open [ 1 ]||Patch Available [ 10002 ]|
|Status||Patch Available [ 10002 ]||Resolved [ 5 ]|
|Fix Version/s||0.22.0 [ 12314241 ]|
|Resolution||Fixed [ 1 ]|
|Status||Resolved [ 5 ]||Closed [ 6 ]|