turboFei commented on PR #2623: URL: https://github.com/apache/celeborn/pull/2623#issuecomment-2226795293
I checked the items in METRICS.md one by one.
All the master/worker metrics are included in monitoring.md.
Only these JVM namespace metrics are not mentioned in the monitoring.md
```
jvm_gc_count | JVM |
The GC count of each garbage collector.
|
| jvm_gc_time | JVM |
The GC cost time of each garbage collector.
|
| jvm_memory_heap_init | JVM |
The amount of heap init memory.
|
| jvm_memory_heap_max | JVM |
The amount of heap max memory.
|
| jvm_memory_heap_used | JVM |
The amount of heap used memory.
|
| jvm_memory_heap_committed | JVM |
The amount of heap committed memory.
|
| jvm_memory_heap_usage | JVM |
The percentage of heap memory usage.
|
| jvm_memory_non_heap_init | JVM |
The amount of non-heap init memory.
|
| jvm_memory_non_heap_max | JVM |
The amount of non-heap max memory.
|
| jvm_memory_non_heap_used | JVM |
The amount of non-heap uesd memory.
|
| jvm_memory_non_heap_committed | JVM |
The amount of non-heap committed memory.
|
| jvm_memory_non_heap_usage | JVM |
The percentage of non-heap memory usage.
|
| jvm_memory_pools_init | JVM |
The amount of each memory pool's init memory.
|
| jvm_memory_pools_max | JVM |
The amount of each memory pool's max memory.
|
| jvm_memory_pools_used | JVM |
The amount of each memory pool's used memory.
|
| jvm_memory_pools_committed | JVM |
The amount of each memory pool's committed memory.
|
| jvm_memory_pools_used_after_gc | JVM |
The amount of each memory pool's used memory after GC.
|
| jvm_memory_pools_usage | JVM |
The percentage of each memory pool's memory usage.
|
| jvm_memory_total_init | JVM |
The amount of total init memory.
|
| jvm_memory_total_max | JVM |
The amount of total max memory.
|
| jvm_memory_total_used | JVM |
The amount of total used memory.
|
| jvm_memory_total_committed | JVM |
The amount of each memory pool's committed memory.
|
| jvm_direct_capacity | JVM |
An estimate of the total capacity of the buffers in this pool
|
| jvm_direct_count | JVM |
An estimate of the number of buffers in the pool
|
| jvm_direct_used | JVM |
An estimate of the memory that JVM is using for this buffer pool
|
| jvm_mapped_capacity | JVM |
An estimate of the total capacity of the buffers in this pool
|
| jvm_mapped_count | JVM |
An estimate of the number of buffers in the pool
|
| jvm_mapped_used | JVM |
An estimate of the memory that JVM is using for this buffer pool
|
| jvm_thread_count | JVM |
The current number of threads.
|
| jvm_thread_daemon_count | JVM |
The current number of daemon threads.
|
| jvm_thread_blocked_count | JVM |
The current number of threads having blocked state.
|
| jvm_thread_deadlock_count | JVM |
The current number of threads having deadlock state.
|
| jvm_thread_new_count | JVM |
The current number of threads having new state.
|
| jvm_thread_peak_count | JVM |
The current number of peak live threads.
|
| jvm_thread_runnable_count | JVM |
The current number of threads having runnable state.
|
| jvm_thread_terminated_count | JVM |
The current number of threads having terminated state.
|
| jvm_thread_timed_waiting_count | JVM |
The current number of threads having timed_waiting state.
|
| jvm_thread_total_started_count | JVM |
The current number of started threads.
|
| jvm_thread_waiting_count | JVM |
The current number of threads having waiting state.
|
| jvm_classloader_loaded | JVM |
The total number of classes loaded since the start of the JVM.
|
| jvm_classloader_unloaded | JVM |
The total number of classes unloaded since the start of the JVM.
```
But there is some description for such JVM namespace metrics:
<img width="962" alt="image"
src="https://github.com/user-attachments/assets/9b022b43-998a-458e-8377-4b001c5b3d56";>
So, I think all the items are included in monitoring.md.
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