AlvinJ15 commented on a change in pull request #12702:
URL: https://github.com/apache/arrow/pull/12702#discussion_r837931262
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File path: cpp/src/arrow/compute/exec/aggregate_node.cc
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@@ -168,17 +168,26 @@ class ScalarAggregateNode : public ExecNode {
Status DoConsume(const ExecBatch& batch, size_t thread_index) {
util::tracing::Span span;
- START_SPAN(span, "Consume",
- {{"aggregate", ToStringExtra()},
- {"node.label", label()},
- {"batch.length", batch.length}});
+ START_SPAN(
+ span, "Consume",
+ {{"aggregate", ToStringExtra()},
+ {"node.label", label()},
+ {"batch.length", batch.length},
+ {"memory_pool_bytes",
+ plan_->exec_context()->memory_pool()->bytes_allocated()},
+ {"memory_used", arrow::internal::tracing::GetMemoryUsed()},
+ {"memory_used_process",
arrow::internal::tracing::GetMemoryUsedByProcess()}});
Review comment:
@westonpace I can create the background thread for report the `system
RAM`, but where can I place it? inside the memory pool constructor? and using
the same exporter or creating a new one just for this.
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