testing_project

Documentation: reference/reference_lua/box_slab/slab_stats

English

Translate

Zen

	English	Actions
	box.slab.stats()
	Show a detailed memory usage report (in bytes) for the slab allocator. The report is broken down into groups by data item size as well as by slab size (64-byte, 136-byte, etc). The report includes the memory allocated for storing both tuples and indexes.
	return
	``mem_free`` is the allocated, but currently unused memory;
	``mem_used`` is the memory used for storing data items (tuples and indexes);
	``item_count`` is the number of stored items;
	``item_size`` is the size of each data item;
	``slab_count`` is the number of slabs allocated;
	``slab_size`` is the size of each allocated slab.
	rtype
	table
	Example:
	Here is a sample report for the first group:
	tarantool> box.slab.stats()[1] --- - mem_free: 16232 mem_used: 48 item_count: 2 item_size: 24 slab_count: 1 slab_size: 16384 ...
	This report is saying that there are 2 data items (``item_count`` = 2) stored in one (``slab_count`` = 1) 24-byte slab (``item_size`` = 24), so ``mem_used`` = 2 * 24 = 48 bytes. Also, ``slab_size`` is 16384 bytes, of which 16384 - 48 = 16232 bytes are free (``mem_free``).
	A complete report would show memory usage statistics for all groups:
	tarantool> box.slab.stats() --- - - mem_free: 16232 mem_used: 48 item_count: 2 item_size: 24 slab_count: 1 slab_size: 16384 - mem_free: 15720 mem_used: 560 item_count: 14 item_size: 40 slab_count: 1 slab_size: 16384 <...> - mem_free: 32472 mem_used: 192 item_count: 1 item_size: 192 slab_count: 1 slab_size: 32768 - mem_free: 1097624 mem_used: 999424 item_count: 61 item_size: 16384 slab_count: 1 slab_size: 2097152 ...
	The total ``mem_used`` for all groups in this report equals ``arena_used`` in :doc:`/reference/reference_lua/box_slab/slab_info` report.

Loading…

None

New source string

testing_project / Documentation: reference/reference_lua/box_slab/slab_stats — English

2 years ago

Browse all string changes

Things to check

Ellipsis

The string uses three dots (...) instead of an ellipsis character (…)

Glossary

English	English
No related strings found in the glossary.

String information

Flags

read-only

String age

2 years ago

Last updated

2 years ago

Source string age

2 years ago

Translation file

string 14