Yingchun Lai has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14743 )

Change subject: KUDU-3001 Multi-thread to load containers in a data directory
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Patch Set 12:

(7 comments)

http://gerrit.cloudera.org:8080/#/c/14743/11//COMMIT_MSG
Commit Message:

PS11:
> Please rerun your benchmarks, experimenting with different values for --fs_
Run some more benchmarks, but, I don't have machine with NVMes :(


http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc
File src/kudu/fs/log_block_manager.cc:

http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc@1505
PS11, Line 1505: struct LogBlockContainerLoadResult {
> Why does this need shared ownership?
Done


http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc@1511
PS11, Line 1511:   vector<LogBlockContainerRefPtr> dead_containers;
> Don't need std:: prefixes here and below.
Done


http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc@2077
PS11, Line 2077:       dir_result->dead_containers.insert(
> Why not just std::move()?
Here I aim to _append_ multiple container_results' dead_containers to 
dir_result's, not _assign_.


http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc@2094
PS11, Line 2094:
> Since this is going to be written to, pass it by (unretained) pointer.
Done


http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc@2495
PS11, Line 2495:     results->emplace_back(new 
internal::LogBlockContainerLoadResult());
> Use emplace_back.
Done


http://gerrit.cloudera.org:8080/#/c/14743/11/src/kudu/fs/log_block_manager.cc@2514
PS11, Line 2514:     // Load the container's records asynchronously.
> Nit: "Load the container's records asynchronously."
Done



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I0721ee4a5a6824db146ba0658e60eec25dd0c65c
Gerrit-Change-Number: 14743
Gerrit-PatchSet: 12
Gerrit-Owner: Yingchun Lai <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Yingchun Lai <[email protected]>
Gerrit-Reviewer: wangning <[email protected]>
Gerrit-Comment-Date: Thu, 05 Dec 2019 12:39:22 +0000
Gerrit-HasComments: Yes

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