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Bug
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Resolution: Obsolete
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Blocker
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None
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None
We had to disable the machine learning-based ranker for periscope on the Trials on version 6.2.2.
After a lot of research and try-and-error with the suggested 6.2.2 compatible memory settings it appears that you can not get this working properly.
Reducing and Incrementing the off-heap memory reserved by the library just makes the problem appear sooner or later. But in the end, it will fail.
See stack trace in the linked Freetrials ticket.
I would recommend replacing the machine learning ranker by something less error-prone. There's a related ticket: MGNLPER-82.
- relates to
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MGNLPER-82 Consider non-AI alternatives for search result rankings
- Closed
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MGNLPER-135 Long running searches cause performance issues in Admin Central
- Closed
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MGNLPER-133 Result ranker crashes at login
- Closed
- supersedes
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MGNLPER-70 Physical memory usage is too high
- Closed
- mentioned in
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