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MongoDB: Added new metric "pages written from cache" (#7870)

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Vikky Omkar 2020-07-28 09:15:37 +05:30 committed by GitHub
parent d233b4c27f
commit 02454315ab
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 5 additions and 0 deletions
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1
plugins/inputs/mongodb/mongodb_data.go
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@ -206,6 +206,7 @@ var WiredTigerExtStats = map[string]string{
"wtcache_pages_evicted_by_app_thread": "PagesEvictedByAppThread", "wtcache_pages_evicted_by_app_thread": "PagesEvictedByAppThread",
"wtcache_pages_queued_for_eviction": "PagesQueuedForEviction", "wtcache_pages_queued_for_eviction": "PagesQueuedForEviction",
"wtcache_pages_read_into": "PagesReadIntoCache", "wtcache_pages_read_into": "PagesReadIntoCache",
"wtcache_pages_written_from": "PagesWrittenFromCache",
"wtcache_pages_requested_from": "PagesRequestedFromCache", "wtcache_pages_requested_from": "PagesRequestedFromCache",
"wtcache_server_evicting_pages": "ServerEvictingPages", "wtcache_server_evicting_pages": "ServerEvictingPages",
"wtcache_worker_thread_evictingpages": "WorkerThreadEvictingPages", "wtcache_worker_thread_evictingpages": "WorkerThreadEvictingPages",

1
plugins/inputs/mongodb/mongodb_data_test.go
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@ -106,6 +106,7 @@ func TestAddWiredTigerStats(t *testing.T) {
BytesReadInto: 0, BytesReadInto: 0,
PagesEvictedByAppThread: 0, PagesEvictedByAppThread: 0,
PagesQueuedForEviction: 0, PagesQueuedForEviction: 0,
PagesWrittenFromCache: 1247,
ServerEvictingPages: 0, ServerEvictingPages: 0,
WorkerThreadEvictingPages: 0, WorkerThreadEvictingPages: 0,
FaultsCnt: 204, FaultsCnt: 204,

3
plugins/inputs/mongodb/mongostat.go
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@ -203,6 +203,7 @@ type CacheStats struct {
PagesEvictedByAppThread int64 `bson:"pages evicted by application threads"` PagesEvictedByAppThread int64 `bson:"pages evicted by application threads"`
PagesQueuedForEviction int64 `bson:"pages queued for eviction"` PagesQueuedForEviction int64 `bson:"pages queued for eviction"`
PagesReadIntoCache int64 `bson:"pages read into cache"` PagesReadIntoCache int64 `bson:"pages read into cache"`
PagesWrittenFromCache int64 `bson:"pages written from cache"`
PagesRequestedFromCache int64 `bson:"pages requested from the cache"` PagesRequestedFromCache int64 `bson:"pages requested from the cache"`
ServerEvictingPages int64 `bson:"eviction server evicting pages"` ServerEvictingPages int64 `bson:"eviction server evicting pages"`
WorkerThreadEvictingPages int64 `bson:"eviction worker thread evicting pages"` WorkerThreadEvictingPages int64 `bson:"eviction worker thread evicting pages"`
@ -703,6 +704,7 @@ type StatLine struct {
PagesEvictedByAppThread int64 PagesEvictedByAppThread int64
PagesQueuedForEviction int64 PagesQueuedForEviction int64
PagesReadIntoCache int64 PagesReadIntoCache int64
PagesWrittenFromCache int64
PagesRequestedFromCache int64 PagesRequestedFromCache int64
ServerEvictingPages int64 ServerEvictingPages int64
WorkerThreadEvictingPages int64 WorkerThreadEvictingPages int64
@ -1080,6 +1082,7 @@ func NewStatLine(oldMongo, newMongo MongoStatus, key string, all bool, sampleSec
returnVal.PagesEvictedByAppThread = newStat.WiredTiger.Cache.PagesEvictedByAppThread returnVal.PagesEvictedByAppThread = newStat.WiredTiger.Cache.PagesEvictedByAppThread
returnVal.PagesQueuedForEviction = newStat.WiredTiger.Cache.PagesQueuedForEviction returnVal.PagesQueuedForEviction = newStat.WiredTiger.Cache.PagesQueuedForEviction
returnVal.PagesReadIntoCache = newStat.WiredTiger.Cache.PagesReadIntoCache returnVal.PagesReadIntoCache = newStat.WiredTiger.Cache.PagesReadIntoCache
returnVal.PagesWrittenFromCache = newStat.WiredTiger.Cache.PagesWrittenFromCache
returnVal.PagesRequestedFromCache = newStat.WiredTiger.Cache.PagesRequestedFromCache returnVal.PagesRequestedFromCache = newStat.WiredTiger.Cache.PagesRequestedFromCache
returnVal.ServerEvictingPages = newStat.WiredTiger.Cache.ServerEvictingPages returnVal.ServerEvictingPages = newStat.WiredTiger.Cache.ServerEvictingPages
returnVal.WorkerThreadEvictingPages = newStat.WiredTiger.Cache.WorkerThreadEvictingPages returnVal.WorkerThreadEvictingPages = newStat.WiredTiger.Cache.WorkerThreadEvictingPages