[#btck-ChainstateManagerOptions-UpdateBlockTreeDbInMemory]
= xref:btck.adoc[btck]::xref:btck/ChainstateManagerOptions.adoc[ChainstateManagerOptions]::UpdateBlockTreeDbInMemory
:relfileprefix: ../../
:mrdocs:

Controls whether the block tree database is kept in memory&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&lowbar;wrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
UpdateBlockTreeDbInMemory(bool block&lowbar;tree&lowbar;db&lowbar;in&lowbar;memory);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block&lowbar;tree&lowbar;db&lowbar;in&lowbar;memory*
| True to keep the block tree database in memory&period;
|===


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