Incremental dumps/Compression

Detailed break up of “LZMA, groups per page per 256”:


 * total: 4247 kB
 * file header and site info: 0 kB
 * indexes: 444 kB
 * metadata: 1976 kB
 * pages: 183 kB
 * revisions: 1792 kB
 * compressed texts: 1827 kB