[GOBBLIN-901] add debug log while renaming the file

[jhsenjaliya]

Dear Gobblin maintainers,

Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!

JIRA

• [x] My PR addresses the following Gobblin JIRA issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
  • https://issues.apache.org/jira/browse/GOBBLIN-901

Description

• [x] Here are some details about my PR, including screenshots (if applicable): When moving the staging data to final output dir, sometime it fails due to various reasons and its hard to debug without proper info. adding some more logging would help debug the issue, specially for new user.

Tests

• [x] My PR adds the following unit tests OR does not need testing for this extremely good reason: only adding more logging

Commits

• [x] My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

[codecov-io]

Codecov Report

Merging #2754 into master will decrease coverage by <.01%. The diff coverage is 33.33%.

@@             Coverage Diff              @@
##             master    #2754      +/-   ##
============================================
- Coverage     45.27%   45.27%   -0.01%     
  Complexity     8828     8828              
============================================
  Files          1889     1889              
  Lines         70634    70640       +6     
  Branches       7757     7758       +1     
============================================
+ Hits          31979    31981       +2     
- Misses        35701    35706       +5     
+ Partials       2954     2953       -1

Impacted Files	Coverage Δ	Complexity Δ
...n/java/org/apache/gobblin/writer/FsDataWriter.java	67.82% <33.33%> (-1.9%)	15 <0> (ø)
...in/java/org/apache/gobblin/cluster/HelixUtils.java	35.51% <0%> (-3.74%)	12% <0%> (-1%)
...lin/restli/throttling/ZookeeperLeaderElection.java	70% <0%> (-2.23%)	13% <0%> (ø)
.../apache/gobblin/runtime/api/JobExecutionState.java	80.37% <0%> (+0.93%)	24% <0%> (ø)	:arrow_down:
.../org/apache/gobblin/cluster/GobblinTaskRunner.java	65.27% <0%> (+1.38%)	28% <0%> (ø)	:arrow_down:
...lin/elasticsearch/writer/FutureCallbackHolder.java	62.85% <0%> (+1.42%)	4% <0%> (ø)	:arrow_down:
...che/gobblin/writer/HiveWritableHdfsDataWriter.java	76.47% <0%> (+2.94%)	9% <0%> (+1%)	:arrow_up:

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