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PT-50 Fixed oplog counters

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This commit is contained in:
Carlos Salguero
2016-12-21 14:33:04 -03:00
parent dcab9e3393
commit aa068ea4fe
5 changed files with 94 additions and 24 deletions
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51
src/go/pt-mongodb-summary/main.go
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@@ -476,20 +476,51 @@ func getNodeType(session pmgo.SessionManager) (string, error) {
func GetOpCountersStats(session pmgo.SessionManager, count int64, sleep time.Duration) (*opCounters, error) {
oc := &opCounters{}
previousoc := &opCounters{}
ss := proto.ServerStatus{}
err := session.DB("admin").Run(bson.D{{"serverStatus", 1}, {"recordStats", 1}}, &ss)
if err != nil {
return nil, errors.Wrap(err, "GetOpCountersStats.ServerStatus")
}
ticker := time.NewTicker(sleep)
for i := int64(0); i < count-1; i++ {
for i := int64(0); i < count; i++ {
<-ticker.C
err := session.DB("admin").Run(bson.D{{"serverStatus", 1}, {"recordStats", 1}}, &ss)
if err != nil {
panic(err)
}
if i == 0 {
previousoc.Command.Total = ss.Opcounters.Command
previousoc.Delete.Total = ss.Opcounters.Delete
previousoc.GetMore.Total = ss.Opcounters.GetMore
previousoc.Insert.Total = ss.Opcounters.Insert
previousoc.Query.Total = ss.Opcounters.Query
previousoc.Update.Total = ss.Opcounters.Update
continue
}
ss.Opcounters.Command -= previousoc.Command.Total
ss.Opcounters.Delete -= previousoc.Delete.Total
ss.Opcounters.GetMore -= previousoc.GetMore.Total
ss.Opcounters.Insert -= previousoc.Insert.Total
ss.Opcounters.Query -= previousoc.Query.Total
ss.Opcounters.Update -= previousoc.Update.Total
// Be careful. This cannot be item[0] because we need value - prev_value
// and at pos 0 there is no prev value
if i == 1 {
oc.Command.Max = ss.Opcounters.Command
oc.Command.Min = ss.Opcounters.Command
oc.Delete.Max = ss.Opcounters.Delete
oc.Delete.Min = ss.Opcounters.Delete
oc.GetMore.Max = ss.Opcounters.GetMore
oc.GetMore.Min = ss.Opcounters.GetMore
oc.Insert.Max = ss.Opcounters.Insert
oc.Insert.Min = ss.Opcounters.Insert
oc.Query.Max = ss.Opcounters.Query
oc.Query.Min = ss.Opcounters.Query
oc.Update.Max = ss.Opcounters.Update
oc.Update.Min = ss.Opcounters.Update
}
// Insert
if ss.Opcounters.Insert > oc.Insert.Max {
oc.Insert.Max = ss.Opcounters.Insert
@@ -543,6 +574,14 @@ func GetOpCountersStats(session pmgo.SessionManager, count int64, sleep time.Dur
oc.GetMore.Min = ss.Opcounters.GetMore
}
oc.GetMore.Total += ss.Opcounters.GetMore
previousoc.Insert.Total = ss.Opcounters.Insert
previousoc.Query.Total = ss.Opcounters.Query
previousoc.Command.Total = ss.Opcounters.Command
previousoc.Update.Total = ss.Opcounters.Update
previousoc.Delete.Total = ss.Opcounters.Delete
previousoc.GetMore.Total = ss.Opcounters.GetMore
}
ticker.Stop()