|
With Read Concern Majority disabled on 4.0.6:
Primary
{
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"ns" : "39656.testdata",
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"size" : 11210869987,
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"count" : 46253064,
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"avgObjSize" : 242,
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},
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"type" : "file",
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"uri" : "statistics:table:collection-11--1554700681604833037",
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"chunks in the LSM tree" : 0,
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"highest merge generation in the LSM tree" : 0,
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},
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"blocks allocated" : 423729,
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"blocks freed" : 667,
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"checkpoint size" : 3740721152,
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"file allocation unit size" : 4096,
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"file bytes available for reuse" : 86016,
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"file major version number" : 1,
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"file size in bytes" : 3740823552,
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},
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"column-store variable-size RLE encoded values" : 0,
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"fixed-record size" : 0,
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"maximum internal page key size" : 368,
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"maximum internal page size" : 4096,
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"maximum leaf page size" : 32768,
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"maximum leaf page value size" : 67108864,
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"maximum tree depth" : 4,
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},
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"bytes dirty in the cache cumulative" : 48251342,
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"bytes read into cache" : 0,
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"bytes written from cache" : 11640745367,
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"checkpoint blocked page eviction" : 71,
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"data source pages selected for eviction unable to be evicted" : 3042,
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"eviction walk passes of a file" : 11141,
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"eviction walk target pages histogram - 0-9" : 2735,
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"eviction walk target pages histogram - 10-31" : 776,
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"eviction walk target pages histogram - 128 and higher" : 0,
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"eviction walk target pages histogram - 32-63" : 843,
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"eviction walk target pages histogram - 64-128" : 6787,
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"eviction walks abandoned" : 494,
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"eviction walks gave up because they restarted their walk twice" : 2,
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"eviction walks gave up because they saw too many pages and found no candidates" : 1732,
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"eviction walks gave up because they saw too many pages and found too few candidates" : 310,
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"eviction walks reached end of tree" : 2184,
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"eviction walks started from root of tree" : 2602,
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"eviction walks started from saved location in tree" : 8539,
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"hazard pointer blocked page eviction" : 162,
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"in-memory page passed criteria to be split" : 9241,
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"in-memory page splits" : 1556,
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"internal pages evicted" : 2605,
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"leaf pages split during eviction" : 1961,
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"modified pages evicted" : 20387,
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"page split during eviction deepened the tree" : 1,
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"page written requiring cache overflow records" : 0,
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"pages read into cache" : 0,
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"pages read into cache after truncate" : 1,
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"pages read into cache after truncate in prepare state" : 0,
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"pages read into cache requiring cache overflow entries" : 0,
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"pages requested from the cache" : 90939987,
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"pages seen by eviction walk" : 2127016,
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"pages written from cache" : 423617,
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"pages written requiring in-memory restoration" : 1360,
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"tracked dirty bytes in the cache" : 0,
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},
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"Average on-disk page image size seen" : 0,
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"Average time in cache for pages that have been visited by the eviction server" : 0,
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"Average time in cache for pages that have not been visited by the eviction server" : 0,
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"Clean pages currently in cache" : 0,
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"Current eviction generation" : 0,
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"Dirty pages currently in cache" : 0,
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"Entries in the root page" : 0,
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"Internal pages currently in cache" : 0,
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"Leaf pages currently in cache" : 0,
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"Maximum difference between current eviction generation when the page was last considered" : 0,
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"Maximum page size seen" : 0,
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"Minimum on-disk page image size seen" : 0,
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"Number of pages never visited by eviction server" : 0,
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"On-disk page image sizes smaller than a single allocation unit" : 0,
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"Pages created in memory and never written" : 0,
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"Pages currently queued for eviction" : 0,
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"Pages that could not be queued for eviction" : 0,
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"Refs skipped during cache traversal" : 0,
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"Size of the root page" : 0,
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"Total number of pages currently in cache" : 0
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},
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"compression" : {
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"compressed pages written" : 415206,
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"page written failed to compress" : 0,
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"cursor" : {
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"close calls that result in cache" : 0,
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"create calls" : 8,
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"cursor operation restarted" : 373259,
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"cursor-insert key and value bytes inserted" : 11347540863,
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"insert calls" : 45925838,
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"modify calls" : 0,
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"next calls" : 0,
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"open cursor count" : 0,
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"remove calls" : 0,
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"reserve calls" : 0,
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"reset calls" : 785977,
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"internal page key bytes discarded using suffix compression" : 811628,
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"internal page multi-block writes" : 60,
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"leaf page multi-block writes" : 1961,
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"overflow values written" : 0,
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"page checksum matches" : 1116,
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"page reconciliation calls for eviction" : 18130,
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"pages deleted" : 644
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},
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"session" : {
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},
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}
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},
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"indexSizes" : {
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},
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"ok" : 1,
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"operationTime" : Timestamp(1550847463, 1),
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"$clusterTime" : {
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"signature" : {
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"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
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"keyId" : NumberLong(0)
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}
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}
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}
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Secondary
{
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"ns" : "39656.testdata",
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"size" : 11210869987,
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"count" : 46253064,
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"avgObjSize" : 242,
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"capped" : false,
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"wiredTiger" : {
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},
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"type" : "file",
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"uri" : "statistics:table:collection-21-6943134053790933930",
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"total size of bloom filters" : 0
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},
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"file allocation unit size" : 4096,
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"file bytes available for reuse" : 24576,
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"file major version number" : 1,
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"file size in bytes" : 9542180864,
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"create calls" : 20,
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"cursor operation restarted" : 810782,
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"indexSizes" : {
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"$clusterTime" : {
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"signature" : {
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