Details
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Improvement
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Resolution: Done
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Major - P3
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None
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None
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None
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None
Description
db.serverStatus().wiredTiger shows a log of things.
But I can not find any of this item in the document.
I have no idea which of them is useful,or what`s the meaning of them.
Like the return of db.serverStatus().wiredTiger.cache
{
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"tracked dirty bytes in the cache" : 25741348,
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"tracked bytes belonging to internal pages in the cache" : 55454176753,
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"bytes currently in the cache" : 3430851169,
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"tracked bytes belonging to leaf pages in the cache" : NumberLong("9223372036854775807"),
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"maximum bytes configured" : 4294967296,
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"tracked bytes belonging to overflow pages in the cache" : 0,
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"bytes read into cache" : NumberLong("1369313451711"),
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"bytes written from cache" : 703660481848,
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"pages evicted by application threads" : 82877,
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"checkpoint blocked page eviction" : 9039,
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"unmodified pages evicted" : 50377821,
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"page split during eviction deepened the tree" : 0,
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"modified pages evicted" : 22454998,
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"pages selected for eviction unable to be evicted" : 3316349,
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"pages evicted because they exceeded the in-memory maximum" : 17,
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"pages evicted because they had chains of deleted items" : 362314,
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"failed eviction of pages that exceeded the in-memory maximum" : 34109,
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"hazard pointer blocked page eviction" : 2772938,
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"internal pages evicted" : 2167450,
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"maximum page size at eviction" : 15481714,
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"eviction server candidate queue empty when topping up" : 483082,
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"eviction server candidate queue not empty when topping up" : 853628,
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"eviction server evicting pages" : 6195617,
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"eviction server populating queue, but not evicting pages" : 1000198,
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"eviction server unable to reach eviction goal" : 11,
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"pages split during eviction" : 266859,
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"pages walked for eviction" : 31445786857,
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"eviction worker thread evicting pages" : 69577117,
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"in-memory page splits" : 8,
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"percentage overhead" : 8,
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"tracked dirty pages in the cache" : 618,
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"pages currently held in the cache" : 116937,
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"pages read into cache" : 73221060,
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"pages written from cache" : 49983684
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}
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or db.serverStatus().wiredTiger.cursor or something else
Hope for your return