[#HeadersSyncParams-redownload_buffer_size]
= xref:HeadersSyncParams.adoc[HeadersSyncParams]::redownload_buffer_size
:relfileprefix: ../
:mrdocs:

Minimum number of validated headers to accumulate in the redownload buffer before feeding them into the permanent block index.

== Synopsis

Declared in `<kernel/chainparams.h>`

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


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