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https://github.com/seaweedfs/seaweedfs.git
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fmt
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@@ -20,7 +20,7 @@ import (
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func (b *MessageQueueBroker) GetOrGenerateLocalPartition(t topic.Topic, partition topic.Partition) (localTopicPartition *topic.LocalPartition, getOrGenError error) {
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// get or generate a local partition
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topicKey := t.String()
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// Check cache first to avoid expensive filer reads (60% CPU overhead!)
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b.topicConfCacheMu.RLock()
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if entry, found := b.topicConfCache[topicKey]; found {
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@@ -37,7 +37,7 @@ func (b *MessageQueueBroker) GetOrGenerateLocalPartition(t topic.Topic, partitio
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}
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}
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b.topicConfCacheMu.RUnlock()
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// Cache miss or expired - read from filer
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glog.V(4).Infof("TopicConf cache MISS for %s, reading from filer", topicKey)
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conf, readConfErr := b.fca.ReadTopicConfFromFiler(t)
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@@ -45,7 +45,7 @@ func (b *MessageQueueBroker) GetOrGenerateLocalPartition(t topic.Topic, partitio
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glog.Errorf("topic %v not found: %v", t, readConfErr)
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return nil, fmt.Errorf("topic %v not found: %w", t, readConfErr)
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}
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// Cache the result
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b.topicConfCacheMu.Lock()
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b.topicConfCache[topicKey] = &topicConfCacheEntry{
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