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    Type:New Feature 
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    Resolution: Unresolved
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: None
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The first step in investigating whether cache modelling can be applied to WiredTiger's cache is to add tracing. Initially, add a verbose mode than logs a message every time a page is read. Write scripts to parse those messages and do basic sanity checking.