https://www.igvita.com/2012/02/06/sstable-and-log-structured-storage-leveldb/ https://www.igvita.com/2012/02/06/sstable-and-log-structured... May be of interes

https://www.igvita.com/2012/02/06/sstable-and-log-structured-storage-leveldb/ https://www.igvita.com/2012/02/06/sstable-and-log-structured... May be of interest to you