KeDeng has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/19670 )

Change subject: [GC] gc ancient, fully deleted rowsets without live row count
......................................................................


Patch Set 6:

(6 comments)

Thnaks for your reviews.

http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc
File src/kudu/tablet/diskrowset-test.cc:

http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc@771
PS5, Line 771: TestGCDRSWithoutLiveRowCount) {
> I think it's necessary to test that when the rows of this DRS have been ful
Done


http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc@773
PS5, Line 773:   WriteTestRowSet();
> The function declaration is
Well. I think there may be a misunderstanding here.
The real work function is 'DoWriteTestRowSet', in its implementation, if the 
value of n_ rows is 0, which will be set to 10000.


http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc@780
PS5, Line 780:   CHECK_OK(rs->CountLiveRows(&rs_live_rows));
> nit: check the accurate value of 'rs_live_rows'
Done


http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc@790
PS5, Line 790:   // The live rows count is 0 if the DRS has been fully deleted 
without DMS exist.
> nit: Check 'rs_live_rows' is not change after some update operations.
Done


http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc@801
PS5, Line 801: WriteTestRowSet();
> Also to check that 'rs_live_rows_without_lrc' is larger than some value?
Considering that the data in DMS may not be recorded, I added 'ASSERT'_ GE 
'judgment.


http://gerrit.cloudera.org:8080/#/c/19670/5/src/kudu/tablet/diskrowset-test.cc@802
PS5, Line 802: kRowSet> rs;
> I'm curious what's the purpose of this compact in this test?
Removed.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iacdff107b8b07cbd56f47f296a93f4bcfbf56b41
Gerrit-Change-Number: 19670
Gerrit-PatchSet: 6
Gerrit-Owner: KeDeng <kdeng...@gmail.com>
Gerrit-Reviewer: KeDeng <kdeng...@gmail.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Yingchun Lai <laiyingc...@apache.org>
Gerrit-Comment-Date: Tue, 04 Apr 2023 03:32:04 +0000
Gerrit-HasComments: Yes

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