[#node-BlockManager-CalculateCurrentUsage]
= xref:node.adoc[node]::xref:node/BlockManager.adoc[BlockManager]::CalculateCurrentUsage
:relfileprefix: ../../
:mrdocs:

Calculate the amount of disk space the block & undo files currently use

== Synopsis

Declared in `<node/blockstorage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7ff37af16eb8), requires_capability(0x7ff376b83e98), requires_capability(0x7ff37ded1a88), requires_capability(0x7ff36c616ca8), requires_capability(0x7ff37c49ab08), requires_capability(0x7ff39283d508)]]
uint64_t
CalculateCurrentUsage();
----

== Return Value

The total size in bytes of the block and undo files on disk.


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