We are using the default replication factor of 3. When new files are put on HDFS we never override the replication factor. When there is more data involved it fails on a larger split size.
On Wed, Sep 18, 2013 at 6:34 PM, Harsh J <[email protected]> wrote: > Do your input files carry a replication factor of 10+? That could be > one cause behind this. > > On Thu, Sep 19, 2013 at 6:20 AM, Murtaza Doctor <[email protected]> > wrote: > > Folks, > > > > Any one run into this issue before: > > java.io.IOException: Max block location exceeded for split: Paths: > > "/foo/bar...." > > .... > > InputFormatClass: org.apache.hadoop.mapred.TextInputFormat > > splitsize: 15 maxsize: 10 > > at > > > org.apache.hadoop.mapreduce.split.JobSplitWriter.writeOldSplits(JobSplitWriter.java:162) > > at > > > org.apache.hadoop.mapreduce.split.JobSplitWriter.createSplitFiles(JobSplitWriter.java:87) > > at > > > org.apache.hadoop.mapreduce.JobSubmitter.writeOldSplits(JobSubmitter.java:501) > > at > > > org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:471) > > at > > > org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:366) > > at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1269) > > at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1266) > > 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.mapreduce.Job.submit(Job.java:1266) > > at org.apache.hadoop.mapred.JobClient$1.run(JobClient.java:606) > > at org.apache.hadoop.mapred.JobClient$1.run(JobClient.java:601) > > 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.JobClient.submitJobInternal(JobClient.java:601) > > at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:586) > > at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:447) > > > > When we set the property to something higher as suggested like: > > mapreduce.job.max.split.locations = more than on what it failed > > then the job runs successfully. > > > > I am trying to dig up additional documentation on this since the default > > seems to be 10, not sure how that limit was set. > > Additionally what is the recommended value and what factors does it > depend > > on? > > > > We are running YARN, the actual query is Hive on CDH 4.3, with Hive > version > > 0.10 > > > > Any pointers in this direction will be helpful. > > > > Regards, > > md > > > > -- > Harsh J >
