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ec820e214c
The default limit of open file descriptors per process may be too small for iotune on certain machines with large number of cores. In such case iotune reports failure due to unability to create files or to set up seastar framework. This change configures the limit of open file descriptors before running iotune to ensure that the failure does not occur. The limit is set via 'resource.setrlimit()' in the parent process. The limit is then inherited by the child process. Signed-off-by: Patryk Wrobel <patryk.wrobel@scylladb.com> Closes scylladb/scylladb#18546