FAQ
Diagnosis Failure: [Errno 24] Too many open files
In large clusters, the diagnosis feature may fail due to an excessive number of log files in the input directory, resulting in a "Too many open files" error in the log.

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Run the
ulimit -ncommand to view the maximum number of file descriptors allowed to be open simultaneously.
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Run the
ulimit -n numcommand to adjust the file descriptor limit, for example,ulimit -n 2048.