Windows Kernel Internals Cache Manager - University ….ppt

Windows Kernel InternalsCache Manager;What is the Cache Manager?;Cache Manager Functionality;Who Uses the Cache Manager?;What Can Be Cached?;Virtual Block vs Logical Block Cache;Advantages of Virtual Block Cache integrated with VM;How Does It Work?;Cache Addresses;Datastructure Layout;Datastructures;Single Instancing Metadata;View Management;View Mapping;Interface Summary;The Cache Manager Doesn’t Stand Alone;The Big Block Diagram;The Slight Filesystem Digression;The Three File Sizes;Valid Data Length;How to get data into the cache;Fast IO – Who Needs an FS?;Regular Cached IO;Copy Method;Mdl (DMA) Method;Pagefault Cluster Hints;Readahead;Unmap Behind;Cache Hints;Write Throttling;Writing Cached Data;The Lazy Writer;Write Throttling;Valid Data Length Calls;Letting the Filesystem Into The Cache;Remember FsContext2?;Mapping/Pinning Method;BCBs and Lies Thereof;Basic Maintenance Functions;Cc Grab Bag;We Can’t Use That 16GB;Single Instancing is Security Context Insensitive;Single Instancing is Security Context Insensitive;Mapping Is An Expense;Views Are Large;Flushes Are Synchronous;Cache Manager Summary;Discussion