Yuqi Du has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/19610 )

Change subject: KUDU-3371 [fs] make LogBlockContainer a base class
......................................................................


Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/19610/3/src/kudu/fs/log_block_manager.cc
File src/kudu/fs/log_block_manager.cc:

http://gerrit.cloudera.org:8080/#/c/19610/3/src/kudu/fs/log_block_manager.cc@629
PS3, Line 629:   virtual void AfterBlocksDeleted() {}
nit: what about

'CompactIfNeed' or 'DoCleanerWorksIfNeed()' ?

This is a new function, make it  a pure virtual function?


http://gerrit.cloudera.org:8080/#/c/19610/3/src/kudu/fs/log_block_manager.cc@743
PS3, Line 743: LogBlockContainerNativeMeta
In semantics, LogBlockContainer is a pair combination of a meta file and a data 
file.

LogBlockContainerNativeMeta is a LogBlockContainer. So
nit: the name seems not good, because it's not a meta. so   
NativeLogBlockContainer ?


Furthermore, IMO, another reasonable refactoring, because the data part is not 
changed. Under LogBlockContainer, only the meta part is a plugin for LogBlock 
and rocksdb. So how about extracting a LogBlockMeta which defines all all 
meta's logic actions, LogBlockMeta is part of LogBlockContainer,  And we 
implements several class such as LogBlockMeta and RocksMeta based  LogBlockMeta.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ieb199de95973aaeba76947ad095907272d84ca67
Gerrit-Change-Number: 19610
Gerrit-PatchSet: 3
Gerrit-Owner: Yingchun Lai <laiyingc...@apache.org>
Gerrit-Reviewer: Abhishek Chennaka <achenn...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <ale...@apache.org>
Gerrit-Reviewer: Ashwani Raina <ara...@cloudera.com>
Gerrit-Reviewer: Attila Bukor <abu...@apache.org>
Gerrit-Reviewer: KeDeng <kdeng...@gmail.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Wang Xixu <1450306...@qq.com>
Gerrit-Reviewer: Yifan Zhang <chinazhangyi...@163.com>
Gerrit-Reviewer: Yingchun Lai <laiyingc...@apache.org>
Gerrit-Reviewer: Yuqi Du <shenxingwuy...@gmail.com>
Gerrit-Comment-Date: Tue, 04 Apr 2023 10:55:33 +0000
Gerrit-HasComments: Yes

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