Quanlong Huang created IMPALA-14874:
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Summary: Add more TCMalloc metrics
Key: IMPALA-14874
URL: https://issues.apache.org/jira/browse/IMPALA-14874
Project: IMPALA
Issue Type: Improvement
Components: Backend
Reporter: Quanlong Huang
Assignee: Quanlong Huang
Currently, we just track the following TCMalloc metrics:
* tcmalloc.bytes-in-use
* tcmalloc.pageheap-free-bytes
* tcmalloc.pageheap-unmapped-bytes
* tcmalloc.physical-bytes-reserved
* tcmalloc.total-bytes-reserved
It'd be helpful to show more numeric properties from TCMalloc that should have
minimal overhead to read. E.g.,
* tcmalloc.current_total_thread_cache_bytes
* tcmalloc.central_cache_free_bytes
* tcmalloc.transfer_cache_free_bytes
* tcmalloc.thread_cache_free_bytes
[https://github.com/gperftools/gperftools/blob/gperftools-2.10/src/gperftools/malloc_extension.h#L185-L207]
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