> 1) what should a blob seek do for a compressed blob? Decompress in
> server's memory or return an error?

Return an error, this is already so for segmented blobs, I see no
reason to be it different for compressed ones.

> 2) how should temporary blobs be transfered? Inherit the compress
> option from its persistent source? Use a config setting?

Is isc_get_segment defined for a temporary blob?

Roman