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Percona MongoDB InMemory performance tuning

gckgck Current User Role Beginner
Hello everyone,
I'm looking for battle tested tips for tuning MongoDB and OS in order to achieve better throughput and latency.


  • Akira KuroganeAkira Kurogane Percona Percona Staff Role
    For that broad topic I would suggest by Vinnie Grippa as a first stop.
    If you're definitely going to use only the In-memory engine, well, anything to do with filesystems will be beside the point as the data files won't be on disk. Also when using in-memory you can make the WiredTiger cache most of the RAM; with normal use you should leave a large proportion of RAM to be available for the OS's filecache.
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