It make sense changing from DB persistence mode to DBFS (or FSDB)mode?

hi,
we are running on NW04 SPS17
KM 6.0.17.0.0
we have a portal with 30.000 (stimated) users access. CM is configured in cluster mode, with a unique DB.
In the KM area, we use a CM repository in DB mode, wich contains all the documents of the portal(2500-3500 documents,but will increase).Documents have small size (from 100k to 4 MB max) We have a lot of READ access on  documents (99% of the users have "read only" permission).
With this scenario (as described in SAP how-to-guide), may be necessary to set the persistence mode on DBFS (or FSDB).
So, I would like to know:
1) it make sense, for INCREASE THE PERFORMANCE, to change the persistence mode from DB to DBFS (of FSDB) of the actual CM repository?
2)if affermative, what are the correct steps for making this change?
(in other therms:what happens to the documents properies -ACL, metadata, etc.- during the conversion? Data loss will occour?)
Thanks and regards,
Paolo

No, it doesn't make sense to make that change at all.
If there's a performance issue, the other persistence modes will make things worse, not better.
Instead, have a look at the various caches you can configure.

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