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

Report whether the configured database cache is large enough to warrant a warning.

== Synopsis

Declared in `<node/caches.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bool
ShouldWarnOversizedDbCache(
    uint64_t dbcache,
    uint64_t total_ram) noexcept;
----

== Return Value

True if `dbcache` exceeds the safe fraction of available RAM.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dbcache*
| The configured database cache size in bytes.
| *total_ram*
| The total system RAM in bytes.
|===


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