[#node-IndexCacheSizes-tx_index]
= xref:node.adoc[node]::xref:node/IndexCacheSizes.adoc[IndexCacheSizes]::tx_index
:relfileprefix: ../../
:mrdocs:

Cache size for the transaction index.

== Synopsis

Declared in `<node/caches.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t tx_index = {0};
----


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