micro-store-redis/stats.go
Vasiliy Tolstov aed9512b93
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improve metrics and tracing
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2024-07-04 15:13:19 +03:00

58 lines
1.4 KiB
Go

package redis
import (
"time"
"github.com/redis/go-redis/v9"
)
var (
PoolHitsTotal = "pool_hits_total"
PoolMissesTotal = "pool_misses_total"
PoolTimeoutTotal = "pool_timeout_total"
PoolConnTotalCurrent = "pool_conn_total_current"
PoolConnIdleCurrent = "pool_conn_idle_current"
PoolConnStaleTotal = "pool_conn_stale_total"
meterRequestTotal = "request_total"
meterRequestLatencyMicroseconds = "latency_microseconds"
meterRequestDurationSeconds = "request_duration_seconds"
)
type Statser interface {
PoolStats() *redis.PoolStats
}
func (r *Store) statsMeter() {
var st Statser
if r.cli.Client != nil {
st = r.cli.Client
} else if r.cli.ClusterClient != nil {
st = r.cli.ClusterClient
} else {
return
}
go func() {
ticker := time.NewTicker(DefaultMeterStatsInterval)
defer ticker.Stop()
for {
select {
case <-ticker.C:
if st == nil {
return
}
stats := st.PoolStats()
r.opts.Meter.Counter(PoolHitsTotal).Set(uint64(stats.Hits))
r.opts.Meter.Counter(PoolMissesTotal).Set(uint64(stats.Misses))
r.opts.Meter.Counter(PoolTimeoutTotal).Set(uint64(stats.Timeouts))
r.opts.Meter.Counter(PoolConnTotalCurrent).Set(uint64(stats.TotalConns))
r.opts.Meter.Counter(PoolConnIdleCurrent).Set(uint64(stats.IdleConns))
r.opts.Meter.Counter(PoolConnStaleTotal).Set(uint64(stats.StaleConns))
}
}
}()
}