Thanks for pointing me to the concept of nodes (had never heard of them before.. as an LMDB user for years I haven't had the need be aware of this internal manual until now).
Out of curiosity, what were the reasons for the design decision of using a 2-byte alignment? Regards, Sam Oct 13, 2023, 19:26 by [email protected]: > Sam Dave wrote: > >> Hello, >> >> I have two LMDB databases, identical except one has key size 34 bytes and >> the other key size 33 bytes. (Both have same value sizes and same number of >> pairs). >> >> How can the file sizes on disk be exactly the same? Is this because of the >> 2-byte alignment mentioned here? >> https://github.com/AltSysrq/lmdb-zero/issues/8 >> >> I wonder if this 2-byte alignment was documented anywhere. >> > > RTFM. > > http://www.lmdb.tech/doc/group__internal.html > > Search for "align" > > > -- > -- Howard Chu > CTO, Symas Corp. http://www.symas.com > Director, Highland Sun http://highlandsun.com/hyc/ > Chief Architect, OpenLDAP http://www.openldap.org/project/ >
