recommendations-production_uk:SECONDARY> db['55ba7d3769702d0e20000000-16'].stats()
{
  "ns" : "scoremaps-production.55ba7d3769702d0e20000000-16",
  "count" : 2995523,
  "size" : 274144037195,
  "avgObjSize" : 91517,
  "storageSize" : 219139735552,
  "capped" : false,
  "wiredTiger" : {
    "metadata" : {
      "formatVersion" : 1
    },
    "creationString" : "allocation_size=4KB,app_metadata=(formatVersion=1),block_allocation=best,block_compressor=snappy,cache_resident=0,checkpoint=(WiredTigerCheckpoint.232=(addr=\"01e30939db81e4fdbf548ee30939dc81e48af3a795e30939dd81e44b8ccae6808080e53305bedfc0e53305b52fc0\",order=232,time=1438324192,size=219139100672,write_gen=3045553)),checkpoint_lsn=(33780,38935424),checksum=on,collator=,columns=,dictionary=0,format=btree,huffman_key=,huffman_value=,id=135,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=1MB,memory_page_max=10m,os_cache_dirty_max=0,os_cache_max=0,prefix_compression=0,prefix_compression_min=4,split_deepen_min_child=0,split_deepen_per_child=0,split_pct=90,value_format=u,version=(major=1,minor=1)",
    "type" : "file",
    "uri" : "statistics:table:collection-45-4958240802036526693",
    "LSM" : {
      "bloom filters in the LSM tree" : 0,
      "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,
      "total size of bloom filters" : 0,
      "sleep for LSM checkpoint throttle" : 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 merge throttle" : 0
    },
    "block-manager" : {
      "file allocation unit size" : 4096,
      "blocks allocated" : 0,
      "checkpoint size" : 219139100672,
      "allocations requiring file extension" : 0,
      "blocks freed" : 0,
      "file magic number" : 120897,
      "file major version number" : 1,
      "minor version number" : 0,
      "file bytes available for reuse" : 1568768,
      "file size in bytes" : 219139735552
    },
    "btree" : {
      "btree checkpoint generation" : 399,
      "column-store variable-size deleted values" : 0,
      "column-store fixed-size leaf pages" : 0,
      "column-store internal pages" : 0,
      "column-store variable-size leaf pages" : 0,
      "pages rewritten by compaction" : 0,
      "number of key/value pairs" : 0,
      "fixed-record size" : 0,
      "maximum tree depth" : 0,
      "maximum internal page key size" : 368,
      "maximum internal page size" : 4096,
      "maximum leaf page key size" : 3276,
      "maximum leaf page size" : 32768,
      "maximum leaf page value size" : 1048576,
      "overflow pages" : 0,
      "row-store internal pages" : 0,
      "row-store leaf pages" : 0
    },
    "cache" : {
      "bytes read into cache" : 96456,
      "bytes written from cache" : 0,
      "checkpoint blocked page eviction" : 0,
      "unmodified pages evicted" : 0,
      "page split during eviction deepened the tree" : 0,
      "modified pages evicted" : 0,
      "data source pages selected for eviction unable to be evicted" : 0,
      "hazard pointer blocked page eviction" : 0,
      "internal pages evicted" : 0,
      "pages split during eviction" : 0,
      "in-memory page splits" : 0,
      "overflow values cached in memory" : 0,
      "pages read into cache" : 4,
      "overflow pages read into cache" : 0,
      "pages written from cache" : 0
    },
    "compression" : {
      "raw compression call failed, no additional data available" : 0,
      "raw compression call failed, additional data available" : 0,
      "raw compression call succeeded" : 0,
      "compressed pages read" : 1,
      "compressed pages written" : 0,
      "page written failed to compress" : 0,
      "page written was too small to compress" : 0
    },
    "cursor" : {
      "create calls" : 1,
      "insert calls" : 0,
      "bulk-loaded cursor-insert calls" : 0,
      "cursor-insert key and value bytes inserted" : 0,
      "next calls" : 0,
      "prev calls" : 1,
      "remove calls" : 0,
      "cursor-remove key bytes removed" : 0,
      "reset calls" : 1,
      "search calls" : 0,
      "search near calls" : 0,
      "update calls" : 0,
      "cursor-update value bytes updated" : 0
    },
    "reconciliation" : {
      "dictionary matches" : 0,
      "internal page multi-block writes" : 0,
      "leaf page multi-block writes" : 0,
      "maximum blocks required for a page" : 0,
      "internal-page overflow keys" : 0,
      "leaf-page overflow keys" : 0,
      "overflow values written" : 0,
      "pages deleted" : 0,
      "page checksum matches" : 0,
      "page reconciliation calls" : 0,
      "page reconciliation calls for eviction" : 0,
      "leaf page key bytes discarded using prefix compression" : 0,
      "internal page key bytes discarded using suffix compression" : 0
    },
    "session" : {
      "object compaction" : 0,
      "open cursor count" : 1
    },
    "transaction" : {
      "update conflicts" : 0
    }
  },
  "nindexes" : 2,
  "totalIndexSize" : 59121664,
  "indexSizes" : {
    "_id_" : 27762688,
    "profile_ids_1" : 31358976
  },
  "ok" : 1
}