The specific error I’m getting is related to this: https://support.pivotal.io/hc/en-us/articles/205647417-Map-Reduce-job-failed-with-Could-not-find-any-valid-local-directory-for-output-attempt-xxxx-xxxx-m-x-file-out
Does crunch offer a compression shortcut in-code, or am I better off to use the compression from mapper output using the map reduce.map.output.compress = true param? Thanks again. - Landon --------------------------------------------------------------------------- Landon Robinson --------------------------------------------------------------------------- From: Micah Whitacre <[email protected]<mailto:[email protected]>> Reply-To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Date: Tuesday, November 10, 2015 at 10:19 AM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: Re: Handling Spills in Crunch Landon, I don't believe there is anything specific in Crunch that will help you but you can definitely tweak some normal Hadoop configuration settings to try and help with spilling. Specifically tweaking settings like spill percentage and the io.sort.mb will help reduce the spilling. http://stackoverflow.com/questions/27890887/why-does-hadoop-spilling-happens http://www.slideshare.net/cloudera/mr-perf On Tue, Nov 10, 2015 at 8:57 AM, Robinson, Landon - Landon <[email protected]<mailto:[email protected]>> wrote: Could use some guidance in dealing with spills. I have a data set that, in a DoFn, grows exponentially. As in, my dataset starts small, but I emit back maybe 40% more data than I take in. I’ve tried using scaleFactor() to compensate for this, but I seem to get this error at runtime using a MRPipeline: org.apache.crunch.CrunchRuntimeException: java.io.IOException: Spill failed Do I need to increase java memory opts perhaps? Best, Landon --------------------------------------------------------------------------- Landon Robinson --------------------------------------------------------------------------- NOTICE: All information in and attached to the e-mails below may be proprietary, confidential, privileged and otherwise protected from improper or erroneous disclosure. If you are not the sender's intended recipient, you are not authorized to intercept, read, print, retain, copy, forward, or disseminate this message. If you have erroneously received this communication, please notify the sender immediately by phone (704-758-1000<tel:%28704-758-1000>) or by e-mail and destroy all copies of this message electronic, paper, or otherwise. By transmitting documents via this email: Users, Customers, Suppliers and Vendors collectively acknowledge and agree the transmittal of information via email is voluntary, is offered as a convenience, and is not a secured method of communication; Not to transmit any payment information E.G. credit card, debit card, checking account, wire transfer information, passwords, or sensitive and personal information E.G. Driver's license, DOB, social security, or any other information the user wishes to remain confidential; To transmit only non-confidential information such as plans, pictures and drawings and to assume all risk and liability for and indemnify Lowe's from any claims, losses or damages that may arise from the transmittal of documents or including non-confidential information in the body of an email transmittal. Thank you. NOTICE: All information in and attached to the e-mails below may be proprietary, confidential, privileged and otherwise protected from improper or erroneous disclosure. If you are not the sender's intended recipient, you are not authorized to intercept, read, print, retain, copy, forward, or disseminate this message. If you have erroneously received this communication, please notify the sender immediately by phone (704-758-1000) or by e-mail and destroy all copies of this message electronic, paper, or otherwise. By transmitting documents via this email: Users, Customers, Suppliers and Vendors collectively acknowledge and agree the transmittal of information via email is voluntary, is offered as a convenience, and is not a secured method of communication; Not to transmit any payment information E.G. credit card, debit card, checking account, wire transfer information, passwords, or sensitive and personal information E.G. Driver's license, DOB, social security, or any other information the user wishes to remain confidential; To transmit only non-confidential information such as plans, pictures and drawings and to assume all risk and liability for and indemnify Lowe's from any claims, losses or damages that may arise from the transmittal of documents or including non-confidential information in the body of an email transmittal. Thank you.
