The workflow control logic(control nodes), fs actions, email actions and ssh actions run in the oozie server itself
On Wed, May 21, 2014 at 7:12 PM, Michael Schmeißer < [email protected]> wrote: > Hi, > > I have searched the documentation for an answer to the question: At which > locations does Oozie spawn JVMs when executing a workflow? > Unfortunately, I've only been able to partially answer this question > myself. It is quite obvious that for MR actions the regular YARN JVM > spawning applies. For Java actions I was able to derive that they are run > using a single-map YARN job as well. > > My question now is: > Is the actual workflow itself run in a separate JVM? If yes, does that > occur on the node where the Oozie server itself lives? Or is all Workflow > control logic directly executed within the Oozie server process? Besides > the workflow itself, how are HDFS actions and control nodes treated in > regard to those questions? > > Thanks in advance and kind regards, > Michael > -- _____________________________________________________________ The information contained in this communication is intended solely for the use of the individual or entity to whom it is addressed and others authorized to receive it. It may contain confidential or legally privileged information. If you are not the intended recipient you are hereby notified that any disclosure, copying, distribution or taking any action in reliance on the contents of this information is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by responding to this email and then delete it from your system. The firm is neither liable for the proper and complete transmission of the information contained in this communication nor for any delay in its receipt.
