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MySQL 8.4 Reference Manual  / ...  / MySQL sys Schema  / sys Schema Object Reference  / sys Schema Views  /  The memory_by_host_by_current_bytes and x$memory_by_host_by_current_bytes Views

30.4.3.16 The memory_by_host_by_current_bytes andx$memory_by_host_by_current_bytes Views

These views summarize memory use, grouped by host. By default, rows are sorted by descending amount of memory used.

Thememory_by_host_by_current_bytes andx$memory_by_host_by_current_bytes views have these columns:

  • host

    The host from which the client connected. Rows for which theHOST column in the underlying Performance Schema table isNULL are assumed to be for background threads and are reported with a host name ofbackground.

  • current_count_used

    The current number of allocated memory blocks that have not been freed yet for the host.

  • current_allocated

    The current number of allocated bytes that have not been freed yet for the host.

  • current_avg_alloc

    The current number of allocated bytes per memory block for the host.

  • current_max_alloc

    The largest single current memory allocation in bytes for the host.

  • total_allocated

    The total memory allocation in bytes for the host.