morningman commented on a change in pull request #3246: [metrics] Add some
metrics for container size in BE
URL: https://github.com/apache/incubator-doris/pull/3246#discussion_r402117572
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File path: be/src/runtime/result_buffer_mgr.cpp
##########
@@ -33,6 +34,11 @@ namespace doris {
ResultBufferMgr::ResultBufferMgr()
: _is_stop(false) {
+ REGISTER_PRIVATE_VARIABLE_METRIC(result_buffer_block_count);
+ DorisMetrics::metrics()->register_hook("result_buffer_block_count", [&]() {
+ boost::lock_guard<boost::mutex> l(_lock);
Review comment:
```suggestion
std::lock_guard<boost::mutex> l(_lock);
```
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