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Errors when starting Parstream via systemctl

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Symptoms

With EFM 1.7 release, some previous warnings are now treated as errors, hence ParStream does not start via Systemctl

Diagnosis

Check the /var/log/parstream/server-xxxx.log file

You might see errors like:

 

ERROR-77082: Number of maximum file descriptors (1024) is lower than recommended value 98304

ERROR-77113: Maximum number of mmap'ed areas (65530) is lower than recommended value 1966080.

Solution

ERROR-77082: Number of maximum file descriptors (1024) is lower than recommended value 98304

  • Include 
    LimitNOFILE=98034

        in the "Service" section of the parstream systemd service file (/usr/lib/systemd/system/parstream-database\@.service)

 

ERROR-77113: Maximum number of mmap'ed areas (65530) is lower than recommended value 1966080

  • Include the mmap config in /etc/sysctl.conf
    vm.max_map_count=1966080
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