Managing space with DBC

Database

Managing space with DBC

What percentage of the Database space sould be assigned or reserved for DBC? Is there is general recommendation ?

What percentage of DBC should usually be free?We are reaching ~ 90% of the DB utilisation, with DBC having  free space.Just thinking , if it is advisable to move space from DBC and allocate to other DBs. What impact will it have on system performance?

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