Retail Predictive Application Server (MOSC)

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RPAS - Zombie Processes

edited Nov 19, 2017 4:01AM in Retail Predictive Application Server (MOSC) 2 commentsAnswered

Hi All,

I have observed that there will be quite a lot zombie processes on RPAS server(we are on Oracle Linux), which will be in "deleted" status and, thus, consuming lot of memory and affecting the application performance. Few of them will be created during the workbook build process and they should complete soon after the workbook is built or closed.

"lsof" command lists them. Killing these zombie processes will release the held up memory. However, there is a catch. Sometimes, the DomainDaemon and taskDaemon processes will also be listed as "deleted" and if you don't pay attention while killing these "deleted" processes then you can end up killing the DomainDaemon process itself, leading to unavailability of the applications.

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