@@ -25,6 +25,7 @@ box.stat.memtx().tx
2525 ``space:replace{0, 1} `` within this transaction. Under the hood,
2626 this operation becomes a statement for this transaction.
2727 Tarantool reports the following statistics for statements:
28+
2829 * ``box.stat.memtx().tx.txn.statements.max `` is the maximal number of bytes
2930 that a single transaction uses for statements.
3031 * ``box.stat.memtx().tx.txn.statements.avg `` is the average number of bytes
@@ -37,6 +38,7 @@ box.stat.memtx().tx
3738 the current transaction using the Tarantool C API function
3839 :ref: `box_txn_alloc() <txn-box_txn_alloc >`.
3940 Tarantool reports the following statistics for this kind of transactions:
41+
4042 * ``box.stat.memtx().tx.txn.user.max `` is the maximal number of bytes
4143 within a transaction allocated using ``box_txn_alloc() ``.
4244 * ``box.stat.memtx().tx.txn.user.avg `` is the average number of bytes within
@@ -58,6 +60,7 @@ box.stat.memtx().tx
5860 * ``box.stat.memtx().tx.mvcc.trackers `` is the memory allocated for *trackers *
5961 of transaction reads.
6062 Tarantool reports the following statistics for trackers:
63+
6164 * ``box.stat.memtx().tx.mvcc.trackers.max `` is the maximal number of bytes
6265 allocated for trackers per a single transaction.
6366 * ``box.stat.memtx().tx.mvcc.trackers.avg `` is the average number of bytes
@@ -79,6 +82,7 @@ box.stat.memtx().tx
7982
8083 All stored tuples fall into three categories, with memory statistics
8184 reported for each category:
85+
8286 * ``box.stat.memtx().tx.mvcc.tuples.tracking `` is for tuples that are not used
8387 by any transactions directly, but MVCC uses them for tracking transaction reads.
8488 * ``box.stat.memtx().tx.mvcc.tuples.used `` is for tuples that are used
@@ -87,10 +91,12 @@ box.stat.memtx().tx
8791 by active read-write transactions, but are used by read-only transactions.
8892
8993 For each of the three categories, Tarantool reports two statistical blocks:
94+
9095 * ``stories `` is for stories.
9196 * ``retained `` is for *retained * tuples which do not belong to any index,
9297 but MVCC doesn't allow to delete them yet.
9398
9499 For each block, Tarantool reports the following statistics:
100+
95101 * ``count `` is the number of stories or retained tuples.
96102 * ``total `` is the number of bytes allocated for stories or retained tuples.
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