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chore: optimize lock in discov.etcd (#4272)

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Kevin Wan 2024-07-25 17:24:05 +08:00 committed by GitHub
parent 8f7aff558f
commit 8ae0f287d6
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1 changed files with 6 additions and 5 deletions
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11
core/discov/internal/registry.go
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@ -78,7 +78,7 @@ type cluster struct {
listeners map[string][]UpdateListener
watchGroup *threading.RoutineGroup
done chan lang.PlaceholderType
lock sync.Mutex
lock sync.RWMutex
}
func newCluster(endpoints []string) *cluster {
@ -108,8 +108,8 @@ func (c *cluster) getClient() (EtcdClient, error) {
}
func (c *cluster) getCurrent(key string) []KV {
c.lock.Lock()
defer c.lock.Unlock()
c.lock.RLock()
defer c.lock.RUnlock()
var kvs []KV
for k, v := range c.values[key] {
@ -125,6 +125,7 @@ func (c *cluster) getCurrent(key string) []KV {
func (c *cluster) handleChanges(key string, kvs []KV) {
var add []KV
var remove []KV
c.lock.Lock()
listeners := append([]UpdateListener(nil), c.listeners[key]...)
vals, ok := c.values[key]
@ -173,9 +174,9 @@ func (c *cluster) handleChanges(key string, kvs []KV) {
}
func (c *cluster) handleWatchEvents(key string, events []*clientv3.Event) {
c.lock.Lock()
c.lock.RLock()
listeners := append([]UpdateListener(nil), c.listeners[key]...)
c.lock.Unlock()
c.lock.RUnlock()
for _, ev := range events {
switch ev.Type {