KYLIN-4372 Fix bug of delete file too later cause ZK started by HBase…

[weibin0516]

… crash

[codecov-io]

Codecov Report

Merging #1103 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1103      +/-   ##
============================================
+ Coverage     25.05%   25.06%   +0.01%     
- Complexity     6224     6225       +1     
============================================
  Files          1440     1440              
  Lines         87819    87883      +64     
  Branches      12275    12291      +16     
============================================
+ Hits          22001    22031      +30     
- Misses        63660    63694      +34     
  Partials       2158     2158

Impacted Files	Coverage Δ	Complexity Δ
...he/kylin/dict/lookup/cache/RocksDBLookupTable.java	72.97% <0%> (-5.41%)	6% <0%> (-1%)
...in/java/org/apache/kylin/query/util/QueryUtil.java	62.24% <0%> (-0.65%)	26% <0%> (ø)
...va/org/apache/kylin/query/routing/QueryRouter.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...va/org/apache/kylin/rest/service/QueryService.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...ava/org/apache/kylin/rest/service/CubeService.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...ylin/rest/controller/ExternalFilterController.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...org/apache/kylin/common/debug/BackdoorToggles.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...lin/job/impl/threadpool/PriorityFetcherRunner.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...rg/apache/kylin/rest/controller/JobController.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
...cube/v2/coprocessor/endpoint/CubeVisitService.java	67.75% <0%> (ø)	16% <0%> (ø)	⬇️
... and 9 more

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[coveralls]

Pull Request Test Coverage Report for Build 5609

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.006%) to 27.528%

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Files with Coverage Reduction	New Missed Lines	%
core-cube/src/main/java/org/apache/kylin/cube/inmemcubing/MemDiskStore.java	3	78.42%

Totals
Change from base Build 5602:	0.006%
Covered Lines:	24192
Relevant Lines:	87883

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💛 - Coveralls

[nichunen]

LGTM