Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
MapReduce >> mail # user >> FAILED EMFILE: Too many open files


Copy link to this message
-
FAILED EMFILE: Too many open files
While i am trying to run a MR Job I am getting
" FAILED EMFILE: Too many open files "
 at org.apache.hadoop.io.nativeio.NativeIO.open(Native Method)
at org.apache.hadoop.io.SecureIOUtils.createForWrite(SecureIOUtils.java:172)
 at org.apache.hadoop.mapred.TaskLog.writeToIndexFile(TaskLog.java:310)
at org.apache.hadoop.mapred.TaskLog.syncLogs(TaskLog.java:383)
 at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
 at org.apache.hadoop.mapred.Child.main(Child.java:262)

Why is it so?

--
*Thanks & Regards*

Unmesha Sreeveni U.B
Junior Developer

http://www.unmeshasreeveni.blogspot.in/
+
Akira AJISAKA 2014-01-07, 09:09