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Add option to disable mongodb cluster status (#7515)

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It can be expensive to compute these metrics. In particular, when
retrieveing the amount of jumbo chunks, an index is not being used and
consequently the query triggers an expensive COLLSCAN. For big
databases, this query has negative impact on the cluster performance.
This commit is contained in:
raul-te
2020-05-22 00:11:00 -07:00
committed by GitHub
parent 130403c0c9
commit 4d071bed24
3 changed files with 31 additions and 13 deletions
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12
plugins/inputs/mongodb/mongodb_server.go
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@@ -192,7 +192,7 @@ func (s *Server) gatherCollectionStats(colStatsDbs []string) (*ColStats, error)
return results, nil
}
func (s *Server) gatherData(acc telegraf.Accumulator, gatherDbStats bool, gatherColStats bool, colStatsDbs []string) error {
func (s *Server) gatherData(acc telegraf.Accumulator, gatherClusterStatus bool, gatherDbStats bool, gatherColStats bool, colStatsDbs []string) error {
s.Session.SetMode(mgo.Eventual, true)
s.Session.SetSocketTimeout(0)
@@ -218,9 +218,13 @@ func (s *Server) gatherData(acc telegraf.Accumulator, gatherDbStats bool, gather
}
}
clusterStatus, err := s.gatherClusterStatus()
if err != nil {
s.Log.Debugf("Unable to gather cluster status: %s", err.Error())
var clusterStatus *ClusterStatus
if gatherClusterStatus {
status, err := s.gatherClusterStatus()
if err != nil {
s.Log.Debugf("Unable to gather cluster status: %s", err.Error())
}
clusterStatus = status
}
shardStats, err := s.gatherShardConnPoolStats()