use kv for dds

[chengzhinei]

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• Reviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #152 (217186c) into dev (cc562bf) will increase coverage by 0.00%.
The diff coverage is n/a.

❗ Current head 217186c differs from pull request most recent head 02d3b90. Consider uploading reports for the commit 02d3b90 to get more accurate results

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@@           Coverage Diff           @@
##              dev     #152   +/-   ##
=======================================
  Coverage   34.21%   34.21%           
=======================================
  Files         423      423           
  Lines       44399    44399           
=======================================
+ Hits        15191    15193    +2     
+ Misses      28097    28096    -1     
+ Partials     1111     1110    -1     

see 1 file with indirect coverage changes