See https://issues.apache.org/jira/browse/HDFS-3475
Please note that this has met with many unexpected impacts on workload. Be careful and be mindful of your Datanode memory and network capacity. On Mon, Nov 11, 2013 at 1:59 PM, lohit <lohit.vijayar...@gmail.com> wrote: > Hello Devs, > > Wanted to reach out and see if anyone has thought about ability to throttle > data transfer within HDFS. One option we have been thinking is to throttle > on a per FileSystem basis, similar to Statistics in FileSystem. This would > mean anyone with handle to HDFS/Hftp will be throttled globally within JVM. > Right value to come up for this would be based on type of hardware we use > and how many tasks/clients we allow. > > On the other hand doing something like this at FileSystem layer would mean > many other tasks such as Job jar copy, DistributedCache copy and any hidden > data movement would also be throttled. We wanted to know if anyone has had > such requirement on their clusters in the past and what was the thinking > around it. Appreciate your inputs/comments > > -- > Have a Nice Day! > Lohit > -- * Adam Muise * Solutions Engineer ------------------------------ Phone: 416-417-4037 Email: amu...@hortonworks.com Website: http://www.hortonworks.com/ * Follow Us: * <http://facebook.com/hortonworks/?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> <http://twitter.com/hortonworks?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> <http://www.linkedin.com/company/hortonworks?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> [image: photo] Latest From Our Blog: How to use R and other non-Java languages in MapReduce and Hive <http://hortonworks.com/blog/using-r-and-other-non-java-languages-in-mapreduce-and-hive/?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.