Exemplo n.º 1
0
func (s *MemcacheStats) publishSlabsStats() {
	s.slabs.mu.Lock()
	defer s.slabs.mu.Unlock()
	for key, isSingle := range slabsSingleMetrics {
		key := key
		s.slabs.stats[key] = make(map[string]int64)
		if isSingle {
			f := func() int64 {
				s.slabs.mu.Lock()
				defer s.slabs.mu.Unlock()
				s.updateSlabsStats()
				return s.slabs.stats[key][""]
			}
			stats.Publish(s.cachePool.name+"MemcacheSlabs"+formatKey(key), stats.IntFunc(f))
			continue
		}
		f := func() map[string]int64 {
			s.slabs.mu.Lock()
			defer s.slabs.mu.Unlock()
			s.updateSlabsStats()
			return copyMap(s.slabs.stats[key])
		}
		stats.Publish(s.cachePool.name+"MemcacheSlabs"+formatKey(key), stats.CountersFunc(f))
	}
}
Exemplo n.º 2
0
func NewSchemaInfo(queryCacheSize int, reloadTime time.Duration, idleTimeout time.Duration, sensitiveMode bool) *SchemaInfo {
	si := &SchemaInfo{
		queryCacheSize: queryCacheSize,
		queries:        cache.NewLRUCache(int64(queryCacheSize)),
		rules:          NewQueryRules(),
		connPool:       NewConnectionPool("", 2, idleTimeout),
		reloadTime:     reloadTime,
		ticks:          timer.NewTimer(reloadTime),
		sensitiveMode:  sensitiveMode,
	}
	stats.Publish("QueryCacheLength", stats.IntFunc(si.queries.Length))
	stats.Publish("QueryCacheSize", stats.IntFunc(si.queries.Size))
	stats.Publish("QueryCacheCapacity", stats.IntFunc(si.queries.Capacity))
	stats.Publish("QueryCacheOldest", stats.StringFunc(func() string {
		return fmt.Sprintf("%v", si.queries.Oldest())
	}))
	stats.Publish("SchemaReloadTime", stats.DurationFunc(func() time.Duration {
		return si.reloadTime
	}))
	stats.Publish("TableStats", stats.NewMatrixFunc("Table", "Stats", si.getTableStats))
	stats.Publish("TableInvalidations", stats.CountersFunc(si.getTableInvalidations))
	stats.Publish("QueryCounts", stats.NewMatrixFunc("Table", "Plan", si.getQueryCount))
	stats.Publish("QueryTimesNs", stats.NewMatrixFunc("Table", "Plan", si.getQueryTime))
	stats.Publish("QueryRowCounts", stats.NewMatrixFunc("Table", "Plan", si.getQueryRowCount))
	stats.Publish("QueryErrorCounts", stats.NewMatrixFunc("Table", "Plan", si.getQueryErrorCount))
	// query_plans cannot be shown in sensitive mode
	if !si.sensitiveMode {
		http.Handle("/debug/query_plans", si)
	}
	http.Handle("/debug/query_stats", si)
	http.Handle("/debug/table_stats", si)
	http.Handle("/debug/schema", si)
	return si
}
Exemplo n.º 3
0
// RegisterBinlogPlayerMap registers the varz for the players
func RegisterBinlogPlayerMap(blm *BinlogPlayerMap) {
	stats.Publish("BinlogPlayerMapSize", stats.IntFunc(blm.size))
	stats.Publish("BinlogPlayerSecondsBehindMaster", stats.IntFunc(func() int64 {
		sbm := int64(0)
		blm.mu.Lock()
		for _, bpc := range blm.players {
			psbm := bpc.binlogPlayerStats.SecondsBehindMaster.Get()
			if psbm > sbm {
				sbm = psbm
			}
		}
		blm.mu.Unlock()
		return sbm
	}))
	stats.Publish("BinlogPlayerSecondsBehindMasterMap", stats.CountersFunc(func() map[string]int64 {
		blm.mu.Lock()
		result := make(map[string]int64, len(blm.players))
		for i, bpc := range blm.players {
			sbm := bpc.binlogPlayerStats.SecondsBehindMaster.Get()
			result[fmt.Sprintf("%v", i)] = sbm
		}
		blm.mu.Unlock()
		return result
	}))
	stats.Publish("BinlogPlayerGTIDMap", stats.StringMapFunc(func() map[string]string {
		blm.mu.Lock()
		result := make(map[string]string, len(blm.players))
		for i, bpc := range blm.players {
			lgtid := bpc.binlogPlayerStats.GetLastGTID()
			result[fmt.Sprintf("%v", i)] = myproto.EncodeGTID(lgtid)
		}
		blm.mu.Unlock()
		return result
	}))
	stats.Publish("BinlogPlayerSourceShardNameMap", stats.StringMapFunc(func() map[string]string {
		blm.mu.Lock()
		result := make(map[string]string, len(blm.players))
		for i, bpc := range blm.players {
			name := bpc.sourceShard.Keyspace + "/" + bpc.sourceShard.Shard
			result[fmt.Sprintf("%v", i)] = name
		}
		blm.mu.Unlock()
		return result
	}))
	stats.Publish("BinlogPlayerSourceTabletAliasMap", stats.StringMapFunc(func() map[string]string {
		blm.mu.Lock()
		result := make(map[string]string, len(blm.players))
		for i, bpc := range blm.players {
			bpc.playerMutex.Lock()
			result[fmt.Sprintf("%v", i)] = bpc.sourceTablet.String()
			bpc.playerMutex.Unlock()
		}
		blm.mu.Unlock()
		return result
	}))
}
Exemplo n.º 4
0
func TestCountersFunc(t *testing.T) {
	f := func() map[string]int64 {
		return map[string]int64{"a": 1234}
	}
	v := stats.CountersFunc(f)
	testMetric(t, v, nil,
		`Desc{fqName: "test_name", help: "test_help", constLabels: {}, variableLabels: [tag]}`,
		`label:<name:"tag" value:"a" > gauge:<value:1234 > `,
	)
}
Exemplo n.º 5
0
func main() {
	flag.Parse()
	servenv.Init()

	// For the initial phase vtgate is exposing
	// topoReader api. This will be subsumed by
	// vtgate once vtgate's client functions become active.
	ts := topo.GetServer()
	defer topo.CloseServers()

	rts := vtgate.NewResilientSrvTopoServer(ts)

	stats.Publish("EndpointCount", stats.CountersFunc(rts.HealthyEndpointCount))
	stats.Publish("DegradedEndpointCount", stats.CountersFunc(rts.DegradedEndpointCount))

	topoReader = NewTopoReader(rts)
	topo.RegisterTopoReader(topoReader)

	vtgate.Init(rts, *cell, *retryDelay, *retryCount, *timeout)
	servenv.Run()
}
Exemplo n.º 6
0
func (memstats *MemcacheStats) publishItemsStats() {
	memstats.mu.Lock()
	defer memstats.mu.Unlock()
	for _, key := range itemsMetrics {
		key := key // create local var to keep current key
		memstats.items[key] = make(map[string]int64)
		stats.Publish(memstats.statsPrefix+"MemcacheItems"+formatKey(key), stats.CountersFunc(func() map[string]int64 {
			memstats.mu.Lock()
			defer memstats.mu.Unlock()
			return copyMap(memstats.items[key])
		}))
	}
}
Exemplo n.º 7
0
func (s *MemcacheStats) publishItemsStats() {
	s.mu.Lock()
	defer s.mu.Unlock()
	s.items = make(map[string]map[string]int64)
	for _, key := range itemsMetrics {
		key := key // create local var to keep current key
		s.items[key] = make(map[string]int64)
		stats.Publish(s.cachePool.name+"MemcacheItems"+formatKey(key), stats.CountersFunc(func() map[string]int64 {
			s.mu.Lock()
			defer s.mu.Unlock()
			return copyMap(s.items[key])
		}))
	}
}
Exemplo n.º 8
0
// RegisterBinlogPlayerMap registers the varz for the players.
func RegisterBinlogPlayerMap(blm *BinlogPlayerMap) {
	stats.Publish("BinlogPlayerMapSize", stats.IntFunc(stats.IntFunc(func() int64 {
		blm.mu.Lock()
		defer blm.mu.Unlock()
		return int64(len(blm.players))
	})))
	stats.Publish("BinlogPlayerSecondsBehindMaster", stats.IntFunc(func() int64 {
		blm.mu.Lock()
		defer blm.mu.Unlock()
		return blm.maxSecondsBehindMasterUNGUARDED()
	}))
	stats.Publish("BinlogPlayerSecondsBehindMasterMap", stats.CountersFunc(func() map[string]int64 {
		blm.mu.Lock()
		result := make(map[string]int64, len(blm.players))
		for i, bpc := range blm.players {
			sbm := bpc.binlogPlayerStats.SecondsBehindMaster.Get()
			result[fmt.Sprintf("%v", i)] = sbm
		}
		blm.mu.Unlock()
		return result
	}))
	stats.Publish("BinlogPlayerSourceShardNameMap", stats.StringMapFunc(func() map[string]string {
		blm.mu.Lock()
		result := make(map[string]string, len(blm.players))
		for i, bpc := range blm.players {
			name := bpc.sourceShard.Keyspace + "/" + bpc.sourceShard.Shard
			result[fmt.Sprintf("%v", i)] = name
		}
		blm.mu.Unlock()
		return result
	}))
	stats.Publish("BinlogPlayerSourceTabletAliasMap", stats.StringMapFunc(func() map[string]string {
		blm.mu.Lock()
		result := make(map[string]string, len(blm.players))
		for i, bpc := range blm.players {
			bpc.playerMutex.Lock()
			result[fmt.Sprintf("%v", i)] = bpc.sourceTablet.String()
			bpc.playerMutex.Unlock()
		}
		blm.mu.Unlock()
		return result
	}))
}
Exemplo n.º 9
0
func (memstats *MemcacheStats) publishSlabsStats() {
	memstats.mu.Lock()
	defer memstats.mu.Unlock()
	for key, isSingle := range slabsSingleMetrics {
		key := key
		memstats.slabs[key] = make(map[string]int64)
		if isSingle {
			stats.Publish(memstats.statsPrefix+"MemcacheSlabs"+formatKey(key), stats.IntFunc(func() int64 {
				memstats.mu.Lock()
				defer memstats.mu.Unlock()
				return memstats.slabs[key][""]
			}))
		} else {
			stats.Publish(memstats.statsPrefix+"MemcacheSlabs"+formatKey(key), stats.CountersFunc(func() map[string]int64 {
				memstats.mu.Lock()
				defer memstats.mu.Unlock()
				return copyMap(memstats.slabs[key])
			}))
		}
	}
}