Issue - MacOS file limits

FeatureBase Community may exceed open file limits because:

the database may be split into a large number of files
these files may be open simultaneously.

Possible cause

Maximum file limits may be set incorrectly:

in featurebase.conf
for the current session
for persistent sessions

Open file limit changes are affected by the following on MacOS:

ulimit does not behave predictably because limits change between releases.

Solutions

Alter FeatureBase max-file-limit

Alter max-file-limit

Increase open file limit for current session

Open a CLI then run the following command:

launchctl limit maxfiles 262144 262144

Persistent change to open file limit

Issue - persistent file limits on MacOS

Adjust kernel parameter files

You may also need to adjust the following kernel parameter files:

kern.maxfiles
kern.maxfilesperproc

Learn how to adjust Kernel Parameters

Further information