On 2014-01-29 18:23, Chris Card wrote:
Can MDB_MAXKEYSIZE be increased?
(...)
In 2.4.36 the comment is:
         *      We require that keys all fit onto a regular page. This limit
         *      could be raised a bit further if needed; to something just
         *      under #MDB_PAGESIZE / #MDB_MINKEYS.

In 2.4.38 the comment is:
(...)    *      under (page size / #MDB_MINKEYS / 3).

That was a doc fix to reflect some rare cases needing stricter limits.

Get 2.4.39, it has a higher safe max and you can just define
MDB_MAXKEYSIZE=0 to get it.

--
Hallvard

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