Mike Percy has posted comments on this change.

Change subject: design docs: Add tablet history GC design doc
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Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/2853/2/docs/design-docs/tablet-history-gc.md
File docs/design-docs/tablet-history-gc.md:

Line 60: 
> How expensive is the Row GC task? If I'm understanding it correctly, it mak
This actually never got implemented, except in the context of a merging 
compaction.


Line 64: appears to be prone to causing write amplification.
> The score for Row GC will generally be lower than for merge compaction, rig
Yeah... I am going to drop this section and we can revisit down the road. The 
problem with a pure Row GC task is that it appears to be prone to causing write 
amplification.


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ibd1776971ac4afa15a34daeced052913cf887dc3
Gerrit-PatchSet: 3
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Mike Percy <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Dan Burkert <[email protected]>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <[email protected]>
Gerrit-Reviewer: Todd Lipcon <[email protected]>
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