Hi, all
I have encounter a weird problem, I got a MR job which would always failed
if there are large number of input file(e.g. 400 input files), but
always succeed if there is only a little input files(e.g. 20 input files).
In this job , the map phase would read all the input files and
Hi Jason
Are you seeing any errors in your data node logs. Specifically like '
xceivers count exceeded'. In that case you may need to bump up te value of
dfs.datanode.max.xcievers to ahigher value.
If not, it is possible that you are crossing the upper limit of open files
on your linux boxes