[kudu-CR] KUDU-3326 [master] add flag FLAGS deleted table reserve seconds to change the cluster-wide behavior of the DeleteTable() RPC.

["KeDeng (Code Review)" <ge...@cloudera.org>]

Hello Mahesh Reddy, Alexey Serbin, Yingchun Lai, Kudu Jenkins, Abhishek Chennaka, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/18864

to look at the new patch set (#8).

Change subject: KUDU-3326 [master] add flag FLAGS_deleted_table_reserve_seconds to change the cluster-wide behavior of the DeleteTable() RPC.
......................................................................

KUDU-3326 [master] add flag FLAGS_deleted_table_reserve_seconds to change the cluster-wide
behavior of the DeleteTable() RPC.

This patch helps to change the default behavior of the DeleteTable RPC at the master side.
Value 0 means DeleteTable() works the regular way, i.e. dropping the table and purging its
data immediately. If it's set to anything greater than 0, then all DeleteTable() RPCs are
turned into SoftDeleteTable(..., FLAGS_deleted_table_reserve_seconds)").

NOTE : this flag is useless if HMS is enable.

Change-Id: I7cf3021fa0e9a425d5f8091ea3336c55a3c14bbc
---
M src/kudu/client/client-test.cc
M src/kudu/master/catalog_manager.cc
2 files changed, 122 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/64/18864/8
-- 
To view, visit http://gerrit.cloudera.org:8080/18864
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I7cf3021fa0e9a425d5f8091ea3336c55a3c14bbc
Gerrit-Change-Number: 18864
Gerrit-PatchSet: 8
Gerrit-Owner: KeDeng <kd...@gmail.com>
Gerrit-Reviewer: Abhishek Chennaka <ac...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <al...@apache.org>
Gerrit-Reviewer: KeDeng <kd...@gmail.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Mahesh Reddy <mr...@cloudera.com>
Gerrit-Reviewer: Yingchun Lai <ac...@gmail.com>