Sweeping !57881 from master to 22.0. Fix setting of maximum ROOT output buffer sizes when relying on auto-flush (ie no SharedWriter) (!57911) · Merge requests · atlas / athena

Fix setting of maximum ROOT output buffer sizes when relying on auto-flush (ie no SharedWriter)

See merge request !57881 (merged)

Sweeping !57881 from master to 22.0. Fix setting of maximum ROOT output buffer sizes when relying on auto-flush (ie no SharedWriter)