// Judge定时任务, 将 Judge发送缓存中的数据 通过rpc连接池 发送到Judge
func forward2JudgeTask(Q *list.SafeLinkedListLimited, node string, concurrent int) {
batch := g.Config().Judge.Batch // 一次发送,最多batch条数据
addr := g.Config().Judge.Cluster[node]
sema := nsema.NewSemaphore(concurrent)
for {
items := Q.PopBack(batch)
count := len(items)
if count == 0 {
time.Sleep(DefaultSendTaskSleepInterval)
continue
}
judgeItems := make([]*cmodel.JudgeItem, count)
for i := 0; i < count; i++ {
judgeItems[i] = items[i].(*cmodel.JudgeItem)
}
// 同步Call + 有限并发 进行发送
sema.Acquire()
go func(addr string, judgeItems []*cmodel.JudgeItem, count int) {
defer sema.Release()
resp := &cmodel.SimpleRpcResponse{}
var err error
sendOk := false
for i := 0; i < 3; i++ { //最多重试3次
err = JudgeConnPools.Call(addr, "Judge.Send", judgeItems, resp)
if err == nil {
sendOk = true
break
}
time.Sleep(time.Millisecond * 10)
}
if !sendOk {
log.Printf("send judge %s fail: %v", addr, err)
// statistics
proc.SendToJudgeFailCnt.IncrBy(int64(count))
} else {
// statistics
proc.SendToJudgeCnt.IncrBy(int64(count))
}
}(addr, judgeItems, count)
}
}
// Graph定时任务, 进行数据迁移时的 数据冗余发送
func forward2GraphMigratingTask(Q *list.SafeLinkedListLimited, node string, concurrent int) {
batch := g.Config().Graph.Batch // 一次发送,最多batch条数据
addr := g.Config().Graph.ClusterMigrating[node]
sema := nsema.NewSemaphore(concurrent)
for {
items := Q.PopBack(batch)
count := len(items)
if count == 0 {
time.Sleep(DefaultSendTaskSleepInterval)
continue
}
graphItems := make([]*cmodel.GraphItem, count)
for i := 0; i < count; i++ {
graphItems[i] = items[i].(*cmodel.GraphItem)
}
sema.Acquire()
go func(addr string, graphItems []*cmodel.GraphItem, count int) {
defer sema.Release()
resp := &cmodel.SimpleRpcResponse{}
var err error
sendOk := false
for i := 0; i < 3; i++ { //最多重试3次
err = GraphMigratingConnPools.Call(addr, "Graph.Send", graphItems, resp)
if err == nil {
sendOk = true
break
}
time.Sleep(time.Millisecond * 10) //发送失败了,睡10ms
}
if !sendOk {
log.Printf("send to graph migrating %s fail: %v", addr, err)
// statistics
proc.SendToGraphMigratingFailCnt.IncrBy(int64(count))
} else {
// statistics
proc.SendToGraphMigratingCnt.IncrBy(int64(count))
}
}(addr, graphItems, count)
}
}