dan:PRIMARY> db.serverStatus().wiredTiger.cache
{
	"tracked dirty bytes in the cache" : 108113698,
	"bytes currently in the cache" : NumberLong("2305843128198539"),
	"maximum bytes configured" : 2147483648,
	"bytes read into cache" : 74306876990,
	"bytes written from cache" : 55231308853,
	"pages evicted by application threads" : 100627896064,
	"checkpoint blocked page eviction" : 1930,
	"unmodified pages evicted" : 812357,
	"page split during eviction deepened the tree" : 4,
	"modified pages evicted" : 1753265,
	"pages selected for eviction unable to be evicted" : 1651488,
	"pages evicted because they exceeded the in-memory maximum" : 1619,
	"pages evicted because they had chains of deleted items" : 253949,
	"failed eviction of pages that exceeded the in-memory maximum" : 3363,
	"hazard pointer blocked page eviction" : 3565,
	"internal pages evicted" : 385,
	"maximum page size at eviction" : 147633879,
	"eviction server candidate queue empty when topping up" : 28707,
	"eviction server candidate queue not empty when topping up" : 255279,
	"eviction server evicting pages" : 185,
	"eviction server populating queue, but not evicting pages" : 283801,
	"eviction server unable to reach eviction goal" : 1,
	"pages split during eviction" : 6618,
	"pages walked for eviction" : 159135276,
	"in-memory page splits" : 545,
	"tracked dirty pages in the cache" : 588,
	"pages currently held in the cache" : 1145,
	"pages read into cache" : 2401943,
	"pages written from cache" : 1840049
}

  2723  7960   5648     *0       0     0|0    72.8  100.0       0  3.4G 2.8G   0|0  8|84   16m    14m  103 dan  PRI 13:28:10
  3779 10952   7308     *0       0     1|0    89.3   99.9       0  3.4G 2.8G   0|0 23|66   21m    19m  103 dan  PRI 13:28:12
insert query update delete getmore command % dirty % used flushes vsize  res qr|qw ar|aw netIn netOut conn set repl     time
  1787  5054   3349     *0       0     0|0   100.1  100.9       0  3.4G 2.8G   0|0 28|72   10m     9m  103 dan  PRI 13:28:14
    *0    *0     *0     *0       0     1|0   100.1  100.9       0  3.4G 2.8G   0|0 27|73  160b     9k  103 dan  PRI 13:28:16
    *0    *0     *0     *0       0     0|0   100.1  100.9       0  3.4G 2.8G   0|0 27|73    1k     9k  103 dan  PRI 13:28:18
    *0    *0     *0     *0       0     0|0   100.1  100.9       0  3.4G 2.8G   0|0 27|73   39b     8k  103 dan  PRI 13:28:20
     7    12     12     *0       0     1|0   100.2  100.9       0  3.4G 2.8G   0|0 20|80   31k    35k  103 dan  PRI 13:28:22
     6    20     13     *0       0     0|0   100.2  101.0       0  3.4G 2.8G   0|0 22|78   39k    42k  103 dan  PRI 13:28:24
    *0     7      4     *0       0     1|0   100.2  101.0       0  3.4G 2.8G   0|0 20|80    9k    22k  103 dan  PRI 13:28:26
    *0    *0     *0     *0       0     0|0   100.2  101.0       0  3.4G 2.8G   0|0 21|79  921b     8k  103 dan  PRI 13:28:28
    *0    *0     *0     *0       0     0|0   100.2  101.0       0  3.4G 2.8G   0|0 21|79   39b     8k  103 dan  PRI 13:28:30
    *0    *0     *0     *0       0     1|0   100.2  101.0       0  3.4G 2.8G   0|0 21|79   95b     8k  103 dan  PRI 13:28:32