Incremental dumps/Compression

Detailed break up of “LZMA, groups per page per 256” for tenwiki-pages-meta-history:


 * 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

Breakup for tenwiki-pages-meta-current:


 * total: 1318 kB
 * file header and site info: 0 kB
 * indexes: 136 kB
 * metadata: 444 kB
 * pages: 114 kB
 * revisions: 329 kB
 * compressed texts: 737 kB