acelyc111 commented on a change in pull request #641:
URL: https://github.com/apache/incubator-pegasus/pull/641#discussion_r521036548
##########
File path: src/server/hotspot_partition_calculator.cpp
##########
@@ -180,44 +177,39 @@ void
hotspot_partition_calculator::detect_hotkey_in_hotpartition(int data_type)
const dsn::replication::detect_action::type action)
{
FAIL_POINT_INJECT_F("send_detect_hotkey_request", [](dsn::string_view) {});
- auto request = dsn::make_unique<dsn::replication::detect_hotkey_request>();
- request->type = hotkey_type;
- request->action = action;
+
+ dsn::replication::detect_hotkey_request req;
+ req.type = hotkey_type;
+ req.action = action;
+ dsn::replication::detect_hotkey_response resp;
Review comment:
Move closer to the place where you use it, just before
`_shell_context->ddl_client->detect_hotkey `
##########
File path: src/server/hotspot_partition_calculator.cpp
##########
@@ -180,44 +177,39 @@ void
hotspot_partition_calculator::detect_hotkey_in_hotpartition(int data_type)
const dsn::replication::detect_action::type action)
{
FAIL_POINT_INJECT_F("send_detect_hotkey_request", [](dsn::string_view) {});
- auto request = dsn::make_unique<dsn::replication::detect_hotkey_request>();
- request->type = hotkey_type;
- request->action = action;
+
+ dsn::replication::detect_hotkey_request req;
+ req.type = hotkey_type;
+ req.action = action;
+ dsn::replication::detect_hotkey_response resp;
+
ddebug_f("{} {} hotkey detection in {}.{}",
(action == dsn::replication::detect_action::STOP) ? "Stop" :
"Start",
(hotkey_type == dsn::replication::hotkey_type::WRITE) ? "write" :
"read",
app_name,
partition_index);
- dsn::rpc_address meta_server;
- meta_server.assign_group("meta-servers");
- std::vector<dsn::rpc_address> meta_servers;
- replica_helper::load_meta_servers(meta_servers);
- for (const auto &address : meta_servers) {
- meta_server.group_address()->add(address);
+
+ int app_id;
+ int partition_count;
+ std::vector<dsn::partition_configuration> partitions;
+ _shell_context->ddl_client->list_app(app_name, app_id, partition_count,
partitions);
+ auto target_address = partitions[partition_index].primary;
+
+ auto error = _shell_context->ddl_client->detect_hotkey(target_address,
req, resp);
+
Review comment:
```suggestion
```
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