* Star tree mapping changes with feature flag

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* Fixes and tests

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* addressing review comments and adding validations, integ tests

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* addressing review comments

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

---------

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* Fix flaky test in range aggregation yaml test (opensearch-project#14486)

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

* Use CODECOV_TOKEN (opensearch-project#14536)

Signed-off-by: Prudhvi Godithi <pgodithi@amazon.com>

* [Tiered Caching]  Moving query recomputation logic outside of write lock (opensearch-project#14187)

* Moving query recompute out of write lock

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* [Tiered Caching] Moving query recomputation logic outside of write lock

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Adding java doc for the completable map

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Changes to call future handler only once per key

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Fixing spotless check

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Added changelog

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Addressing comments

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Fixing gradle fail

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* Addressing comments to refactor unit test

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

* minor UT refactor

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

---------

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>
Signed-off-by: Sagar <99425694+sgup432@users.noreply.github.com>
Co-authored-by: Sagar Upadhyaya <upasagar@amazon.com>

* Fix Flaky Test ClusterRerouteIT.testDelayWithALargeAmountOfShards (opensearch-project#14510)

Signed-off-by: kkewwei kkewwei@163.com

Signed-off-by: kkewwei kkewwei@163.com
Signed-off-by: kkewwei <kkewwei@163.com>

* Add doc for debugging rest tests (opensearch-project#14491)

* add doc for debugging rest tests

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

* Update TESTING.md

Co-authored-by: Marc Handalian <handalm@amazon.com>
Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

* Address comment

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

---------

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>
Co-authored-by: Marc Handalian <handalm@amazon.com>

* Fix flaky DefaultCacheStatsHolderTests (opensearch-project#14462)

Signed-off-by: Peter Alfonsi <petealft@amazon.com>
Co-authored-by: Peter Alfonsi <petealft@amazon.com>

* Startreemapping (#24)

* Star tree mapping changes with feature flag

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* Fixes and tests

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* addressing review comments and adding validations, integ tests

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* addressing review comments

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

---------

Signed-off-by: Bharathwaj G <bharath78910@gmail.com>

* OnHeap Star Tree Implementation

Signed-off-by: Sarthak Aggarwal <sarthagg@amazon.com>

* addressed nits

Signed-off-by: Sarthak Aggarwal <sarthagg@amazon.com>

* addressed major nits

Signed-off-by: Sarthak Aggarwal <sarthagg@amazon.com>

* includes Count Aggregator

Signed-off-by: Sarthak Aggarwal <sarthagg@amazon.com>

---------

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>
Signed-off-by: Prudhvi Godithi <pgodithi@amazon.com>
Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>
Signed-off-by: Sagar <99425694+sgup432@users.noreply.github.com>
Signed-off-by: kkewwei kkewwei@163.com
Signed-off-by: kkewwei <kkewwei@163.com>
Signed-off-by: Peter Alfonsi <petealft@amazon.com>
Signed-off-by: Bharathwaj G <bharath78910@gmail.com>
Signed-off-by: Sarthak Aggarwal <sarthagg@amazon.com>
Co-authored-by: bowenlan-amzn <bowenlan23@gmail.com>
Co-authored-by: Prudhvi Godithi <pgodithi@amazon.com>
Co-authored-by: Sagar <99425694+sgup432@users.noreply.github.com>
Co-authored-by: Sagar Upadhyaya <upasagar@amazon.com>
Co-authored-by: kkewwei <kkewwei@163.com>
Co-authored-by: Marc Handalian <handalm@amazon.com>
Co-authored-by: Peter Alfonsi <peter.alfonsi@gmail.com>
Co-authored-by: Peter Alfonsi <petealft@amazon.com>
Co-authored-by: Sarthak Aggarwal <sarthagg@amazon.com>