[Rpm-maint] [rpm-software-management/rpm] Rpm query causes corruption in the file-backed mmaped bdb regions (#232)

[Neal Gompa (ニール・ゴンパ)]

> DB_RECOVER requires DB_INIT_TXN, which is incompatible with DB_INIT_CDB that rpm.org still uses. And enabling TXN on BDB runs into all sorts of fun with BDB log file paths across chroots, requires additional infra in the code etc and whatnot. All solvable issues no doubt, but it piles up so it's not this entirely trivial "just try reopen with a different flag" thing from the CDB mode starting point.

I suspect that this is where the "RPM ACID" stuff comes into play, @n3npq ?

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