Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/9127#discussion_r42805011
--- Diff: core/src/main/java/org/apache/spark/memory/TaskMemoryManager.java
---
@@ -103,16 +107,39 @@
private final boolean inHeap;
/**
- * Construct a new MemoryManager.
+ * Construct a new TaskMemoryManager.
+ */
+ public TaskMemoryManager(MemoryManager memoryManager, long
taskAttemptId) {
+ this.inHeap = memoryManager.tungstenMemoryIsAllocatedInHeap();
+ this.memoryManager = memoryManager;
+ this.taskAttemptId = taskAttemptId;
+ }
+
+ /**
+ * Acquire N bytes of memory for execution, evicting cached blocks if
necessary.
+ * Blocks evicted in the process, if any, are added to `evictedBlocks`.
--- End diff --
there's no `evictedBlocks` here
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