[GitHub] [arrow-datafusion] yjshen commented on a change in pull request #1933: Add debug log when waiting for spilling on other consumers

[GitBox <gi...@apache.org>]

yjshen commented on a change in pull request #1933:
URL: https://github.com/apache/arrow-datafusion/pull/1933#discussion_r820316965



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File path: datafusion/src/execution/memory_manager.rs
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@@ -340,6 +340,9 @@ impl MemoryManager {
             } else if current < min_per_rqt {
                 // if we cannot acquire at lease 1/2n memory, just wait for others
                 // to spill instead spill self frequently with limited total mem
+                debug!(
+                    "Cannot acquire minimum amount of memory {}, waiting for others to spill ...",
+                    human_readable_size(min_per_rqt));

Review comment:
       Yeah, that makes sense 




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