MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0
These views summarize memory use, grouped by thread. By default, rows are sorted by descending amount of memory used.
The
memory_by_thread_by_current_bytes
and
x$memory_by_thread_by_current_bytes
views have these columns:
thread_id
The thread ID.
user
The thread user or thread name.
current_count_used
The current number of allocated memory blocks that have not been freed yet for the thread.
current_allocated
The current number of allocated bytes that have not been freed yet for the thread.
current_avg_alloc
The current number of allocated bytes per memory block for the thread.
current_max_alloc
The largest single current memory allocation in bytes for the thread.
total_allocated
The total memory allocation in bytes for the thread.