Sarah Jelinek has posted comments on this change.

Change subject: WIP: refactor cache a bit for contiguous key/value
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Patch Set 1:

(1 comment)

Still need to review more. What I need to know is if you want me to cache the 
whole cache key I will have to change the nvm cache code.

http://gerrit.cloudera.org:8080/#/c/2326/1/src/kudu/cfile/cfile_reader.cc
File src/kudu/cfile/cfile_reader.cc:

Line 345:     scratch.TryAllocateFromCache(cache, key, ptr.size());
You are only allocating ptr.size() here. And I don't want the whole key 
structure to be stored in the nvm cache. I want only the the slice.data() 
portion of this. It looks like you are putting the whole key inside the cache 
memory. 

I can change this in the nvm cache but is there a reason you want to do it this 
way? Unless I am misunderstanding what you are doing.


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ic822d0020431f8d3233034af0cd11c4f2f448a1e
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Todd Lipcon <[email protected]>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Sarah Jelinek <[email protected]>
Gerrit-HasComments: Yes

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