imay commented on a change in pull request #1202: Add max cache size to
ClientCache in BE
URL: https://github.com/apache/incubator-doris/pull/1202#discussion_r287359123
##########
File path: be/src/runtime/client_cache.cpp
##########
@@ -135,15 +135,23 @@ Status ClientCacheHelper::create_client(
void ClientCacheHelper::release_client(void** client_key) {
DCHECK(*client_key != NULL) << "Trying to release NULL client";
boost::lock_guard<boost::mutex> lock(_lock);
- ClientMap::iterator i = _client_map.find(*client_key);
- DCHECK(i != _client_map.end());
- ThriftClientImpl* info = i->second;
- //VLOG_RPC << "releasing client for "
- // << info->ipaddress() << ":" << info->port();
- ClientCacheMap::iterator j =
- _client_cache.find(make_network_address(info->ipaddress(),
info->port()));
+ ClientMap::iterator client_map_entry = _client_map.find(*client_key);
+ DCHECK(client_map_entry != _client_map.end());
+ ThriftClientImpl* info = client_map_entry->second;
+ ClientCacheMap::iterator j =
_client_cache.find(make_network_address(info->ipaddress(), info->port()));
DCHECK(j != _client_cache.end());
- j->second.push_back(*client_key);
+
+ if (_max_cache_size_per_host >=0 && j->second.size() >=
_max_cache_size_per_host) {
+ // cache of this host is full, close this client connection and remove
if from _client_map
+ client_map_entry->second->close();
Review comment:
```suggestion
info->close();
delete info;
```
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