caiconghui commented on a change in pull request #6702:
URL: https://github.com/apache/incubator-doris/pull/6702#discussion_r715277007
##########
File path:
fe/fe-core/src/main/java/org/apache/doris/rpc/BackendServiceProxy.java
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@@ -59,23 +61,19 @@ public static BackendServiceProxy getInstance() {
}
public void removeProxy(TNetworkAddress address) {
- lock.writeLock().lock();
- try {
- serviceMap.remove(address);
- } finally {
- lock.writeLock().unlock();
+ LOG.warn("begin to remove proxy: {}", address);
+ BackendServiceClient service;
+ synchronized (this) {
Review comment:
why use synchronized here and use lock for getProxy? how about use
ConcurrentHashMap and use computeIfAbsent method
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