Small BTreeMap optimalization
Small BTreeMap optimalization

jankotek/MapDB,sumit784/mapdb,ffjiao/mapdb,hangum/mapdb,codeaudit/mapdb,SleimanJneidi/mapdb,binarytemple/mapdb,jankotek/MapDB,morfeo8marc/mapdb,mebigfatguy/mapdb,ringoluo/mapdb,olupas/MapDB,lamfire/mapdb,jankotek/mapdb,olupas/MapDB,jankotek/mapdb,pettermahlen/mapdb,mebigfatguy/mapdb,cocosli/mapdb