[#kernel-ChainstateManagerOpts-prevoutfetch_threads_num]
= xref:kernel.adoc[kernel]::xref:kernel/ChainstateManagerOpts.adoc[ChainstateManagerOpts]::prevoutfetch_threads_num
:relfileprefix: ../../
:mrdocs:

Number of worker threads used for prefetching block input prevouts. Zero means no parallel fetching.

== Synopsis

Declared in `<kernel/chainstatemanager_opts.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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int32_t prevoutfetch_threads_num = {DEFAULT_PREVOUTFETCH_THREADS};
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