db.products.stats()
{
 "sharded" : true,
 "capped" : false,
 "ns" : "db.products",
 "count" : 67545908,
 "size" : 79663626061,
 "storageSize" : 51838263296,
 "totalIndexSize" : 13879312384,
 "indexSizes" : {
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  "is_blocked_1_block_type_1" : 607010816,
  "is_sold_1_date_sold_1" : 735203328,
  "name_text" : 3429990400,
  "owner_id_1__id_-1" : 3072081920
 },
 "avgObjSize" : 1179.3997359692019,
 "nindexes" : 8,
 "nchunks" : 1731,
 "shards" : {
  "classified" : {
   "ns" : "db.products",
   "count" : 15585278,
   "size" : 18267569857,
   "avgObjSize" : 1172,
   "storageSize" : 12353384448,
   "capped" : false,
   "wiredTiger" : {
    "metadata" : {
     "formatVersion" : 1
    },
    "creationString" : "allocation_size=4KB,app_metadata=(formatVersion=1),block_allocation=best,block_compressor=snappy,cache_resident=0,checksum=on,colgroups=,collator=,columns=,dictionary=0,encryption=(keyid=,name=),exclusive=0,extractor=,format=btree,huffman_key=,huffman_value=,immutable=0,internal_item_max=0,internal_key_max=0,internal_key_truncate=,internal_page_max=4KB,key_format=q,key_gap=10,leaf_item_max=0,leaf_key_max=0,leaf_page_max=32KB,leaf_value_max=64MB,log=(enabled=),lsm=(auto_throttle=,bloom=,bloom_bit_count=16,bloom_config=,bloom_hash_count=8,bloom_oldest=0,chunk_count_limit=0,chunk_max=5GB,chunk_size=10MB,merge_max=15,merge_min=0),memory_page_max=10m,os_cache_dirty_max=0,os_cache_max=0,prefix_compression=0,prefix_compression_min=4,source=,split_deepen_min_child=0,split_deepen_per_child=0,split_pct=90,type=file,value_format=u",
    "type" : "file",
    "uri" : "statistics:table:youla/collection-22--547385542318414807",
    "LSM" : {
     "bloom filter false positives" : 0,
     "bloom filter hits" : 0,
     "bloom filter misses" : 0,
     "bloom filter pages evicted from cache" : 0,
     "bloom filter pages read into cache" : 0,
     "bloom filters in the LSM tree" : 0,
     "chunks in the LSM tree" : 0,
     "highest merge generation in the LSM tree" : 0,
     "queries that could have benefited from a Bloom filter that did not exist" : 0,
     "sleep for LSM checkpoint throttle" : 0,
     "sleep for LSM merge throttle" : 0,
     "total size of bloom filters" : 0
    },
    "block-manager" : {
     "allocations requiring file extension" : 0,
     "blocks allocated" : 13878705,
     "blocks freed" : 13773821,
     "checkpoint size" : 12622213120,
     "file allocation unit size" : 4096,
     "file bytes available for reuse" : 1148542976,
     "file magic number" : 120897,
     "file major version number" : 1,
     "file size in bytes" : 12353384448,
     "minor version number" : 0
    },
    "btree" : {
     "btree checkpoint generation" : 23466,
     "column-store fixed-size leaf pages" : 0,
     "column-store internal pages" : 0,
     "column-store variable-size RLE encoded values" : 0,
     "column-store variable-size deleted values" : 0,
     "column-store variable-size leaf pages" : 0,
     "fixed-record size" : 0,
     "maximum internal page key size" : 368,
     "maximum internal page size" : 4096,
     "maximum leaf page key size" : 2867,
     "maximum leaf page size" : 32768,
     "maximum leaf page value size" : 67108864,
     "maximum tree depth" : 5,
     "number of key/value pairs" : 0,
     "overflow pages" : 0,
     "pages rewritten by compaction" : 0,
     "row-store internal pages" : 0,
     "row-store leaf pages" : 0
    },
    "cache" : {
     "bytes read into cache" : NumberLong("26546390215865"),
     "bytes written from cache" : 206118904751,
     "checkpoint blocked page eviction" : 2150,
     "data source pages selected for eviction unable to be evicted" : 45559,
     "hazard pointer blocked page eviction" : 6256,
     "in-memory page passed criteria to be split" : 6,
     "in-memory page splits" : 3,
     "internal pages evicted" : 1995801,
     "internal pages split during eviction" : 0,
     "leaf pages split during eviction" : 20847,
     "modified pages evicted" : 6545675,
     "overflow pages read into cache" : 0,
     "overflow values cached in memory" : 0,
     "page split during eviction deepened the tree" : 0,
     "page written requiring lookaside records" : 0,
     "pages read into cache" : 1329244634,
     "pages read into cache requiring lookaside entries" : 0,
     "pages requested from the cache" : 47401426681,
     "pages written from cache" : 13831775,
     "pages written requiring in-memory restoration" : 0,
     "unmodified pages evicted" : 1322660286
    },
    "compression" : {
     "compressed pages read" : 1287356269,
     "compressed pages written" : 7783856,
     "page written failed to compress" : 58972,
     "page written was too small to compress" : 5988947,
     "raw compression call failed, additional data available" : 0,
     "raw compression call failed, no additional data available" : 0,
     "raw compression call succeeded" : 0
    },
    "cursor" : {
     "bulk-loaded cursor-insert calls" : 0,
     "create calls" : 9058,
     "cursor-insert key and value bytes inserted" : 20198208801,
     "cursor-remove key bytes removed" : 20205,
     "cursor-update value bytes updated" : 0,
     "insert calls" : 15364396,
     "next calls" : 503873269,
     "prev calls" : 1,
     "remove calls" : 4041,
     "reset calls" : 437577576,
     "restarted searches" : 23,
     "search calls" : 3878607750,
     "search near calls" : 3938365,
     "truncate calls" : 0,
     "update calls" : 0
    },
    "reconciliation" : {
     "dictionary matches" : 0,
     "fast-path pages deleted" : 0,
     "internal page key bytes discarded using suffix compression" : 1381435,
     "internal page multi-block writes" : 13016,
     "internal-page overflow keys" : 0,
     "leaf page key bytes discarded using prefix compression" : 0,
     "leaf page multi-block writes" : 32240,
     "leaf-page overflow keys" : 0,
     "maximum blocks required for a page" : 3,
     "overflow values written" : 0,
     "page checksum matches" : 56484,
     "page reconciliation calls" : 13759283,
     "page reconciliation calls for eviction" : 2814195,
     "pages deleted" : 0
    },
    "session" : {
     "object compaction" : 0,
     "open cursor count" : 1773
    },
    "transaction" : {
     "update conflicts" : 3850
    }
   },
   "nindexes" : 8,
   "totalIndexSize" : 3493498880,
   "indexSizes" : {
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    "name_text" : 858173440,
    "date_archivation_1" : 304345088,
    "is_sold_1_date_sold_1" : 190287872,
    "_id_hashed" : 633040896,
    "is_blocked_1_block_type_1" : 190476288,
    "owner_id_1__id_-1" : 663498752,
    "is_archived_1_archived_mode_1" : 130093056
   },
   "ok" : 1
  },