box.info.memory()

box.info.memory()¶

Get information about memory usage for the current instance.

Примечание

Чтобы получить представление о подсистеме vinyl’а, используйте box.stat.vinyl().

cache – the number of bytes used for caching user data. The memtx storage engine does not require a cache, so in fact this is the number of bytes in the cache for the tuples stored for the vinyl storage engine.
data – the number of bytes used for storing user data (the tuples) with the memtx engine and with level 0 of the vinyl engine, without taking memory fragmentation into account.
index – the number of bytes used for indexing user data, including memtx and vinyl memory tree extents, the vinyl page index, and the vinyl bloom filters.
lua – the number of bytes used for Lua runtime.
net – the number of bytes used for network input/output buffers.
tx – the number of bytes in use by active transactions. For the vinyl storage engine, this is the total size of all allocated objects (struct txv, struct vy_tx, struct vy_read_interval) and tuples pinned for those objects.

Example

sharded_cluster_crud:storage-a-002> box.info.memory()
---
- cache: 0
  data: 43848
  index: 1130496
  lua: 10516849
  net: 1572864
  tx: 0
...