PMM-12712 Shards collector.

managed/services/agents/mongodb.go

@@ -187,6 +187,11 @@ func v225Args(exporter *models.Agent, tdp *models.DelimiterPair, listenAddress s
 			enabled:     false,
 			enableParam: "--collector.topmetrics",
 		},
+		// disabled until we have better information on the resources usage impact
+		"shards": {
+			enabled:     false,
+			enableParam: "--collector.shards",
+		},
 	}
 
 	for _, collector := range exporter.DisabledCollectors {
@@ -252,6 +257,11 @@ func defaultCollectors(collectAll bool) map[string]collectorArgs {
 			enabled:     collectAll,
 			enableParam: "--collector.topmetrics",
 		},
+		// disabled until we have better information on the resources usage impact
+		"shards": {
+			enabled:     collectAll,
+			enableParam: "--collector.shards",
+		},
 	}
 }
 

managed/services/agents/mongodb_test.go

@@ -162,6 +162,7 @@ func TestMongodbExporterConfig226(t *testing.T) {
 			"--collector.diagnosticdata",
 			"--collector.indexstats",
 			"--collector.replicasetstatus",
+			"--collector.shards",
 			"--collector.topmetrics",
 			"--compatible-mode",
 			"--discovering-mode",
@@ -188,6 +189,7 @@ func TestMongodbExporterConfig226(t *testing.T) {
 			"--collector.diagnosticdata",
 			"--collector.indexstats",
 			"--collector.replicasetstatus",
+			"--collector.shards",
 			"--collector.topmetrics",
 			"--compatible-mode",
 			"--discovering-mode",
@@ -217,6 +219,7 @@ func TestMongodbExporterConfig226(t *testing.T) {
 			"--collector.diagnosticdata",
 			"--collector.indexstats",
 			"--collector.replicasetstatus",
+			"--collector.shards",
 			"--collector.topmetrics",
 			"--compatible-mode",
 			"--discovering-mode",

managed/services/victoriametrics/scrape_configs.go

@@ -402,6 +402,7 @@ func scrapeConfigsForMongoDBExporter(s *models.MetricsResolutions, params *scrap
 			"dbstats",
 			"indexstats",
 			"collstats",
+			"shards",
 		})
 		if err != nil {
 			return nil, err

managed/services/victoriametrics/scrape_configs_test.go

@@ -752,7 +752,7 @@ func TestScrapeConfig(t *testing.T) {
 					ScrapeTimeout:  scrapeTimeout(s.LR),
 					MetricsPath:    "/metrics",
 					Params: map[string][]string{
-						"collect[]": {"collstats", "dbstats", "indexstats"},
+						"collect[]": {"collstats", "dbstats", "indexstats", "shards"},
 					},
 					HTTPClientConfig: config.HTTPClientConfig{
 						BasicAuth: &config.BasicAuth{

managed/services/victoriametrics/victoriametrics_test.go

@@ -385,6 +385,7 @@ scrape_configs:
             - collstats
             - dbstats
             - indexstats
+            - shards
       scrape_interval: 1m
       scrape_timeout: 54s
       metrics_path: /metrics