Jinhua Fu created SPARK-20150:
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Summary: Can the spark add a mechanism for permsize statistics
which may be very useful for the memory usage assessment
Key: SPARK-20150
URL: https://issues.apache.org/jira/browse/SPARK-20150
Project: Spark
Issue Type: Wish
Components: Web UI
Affects Versions: 2.0.2
Reporter: Jinhua Fu
It seems worker memory only be assigned to executor heap which is usually not
enough for estimating the whole clauster memory usage,especially when memory
becomes a bottleneck of the clauster.In many case,we found a executor's real
memory usage was much larger than its heap size which make me have to check for
every application's real memory expenditure.
This can be improved by adding a mechanism for Non-Heap(permsize)
statistics,only shown for extra memory usage which has no effect on the current
worker memory allocation and statistics.The permsize can be obtained easily
from executor java options.
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