Spread the sync load over time (grafana#1587)

* Spread the sync load over time Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com> * Move seed to main Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>
cyriltovena · Aug 22, 2019 · f919fd8 · f919fd8
1 parent 271a9cb
commit f919fd8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/table_manager.go b/table_manager.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"math/rand"
 	"sort"
 	"strings"
 	"sync"
@@ -166,6 +167,9 @@ func (m *TableManager) Stop() {
 func (m *TableManager) loop() {
 	defer m.wait.Done()
 
+	// Sleep for a bit to spread the sync load across different times if the tablemanagers are all started at once.
+	time.Sleep(time.Duration(rand.Int63n(int64(m.cfg.DynamoDBPollInterval))))
+
 	ticker := time.NewTicker(m.cfg.DynamoDBPollInterval)
 	defer ticker.Stop()