[Backport 2.x] Refactor async blob read to avoid blocking calls, support non multipa…

[opensearch-trigger-bot]

Backport 61495bf from #10192.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26486/
• CommitID: e8d107d
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Compatibility status:

Checks if related components are compatible with change e8d107d

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/performance-analyzer-rca.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26497/
• CommitID: e8d107d
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26499/
• CommitID: e8d107d
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[kotwanikunal]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26499/
• CommitID: e8d107d
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

#10006

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/26764/
• CommitID: e8d107d
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.remotestore.multipart.RemoteStoreMultipartIT.testRestoreSnapshotToIndexWithSameNameDifferentUUID

• URL: https://build.ci.opensearch.org/job/gradle-check/26769/
• CommitID: e8d107d
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #10278 (e8d107d) into 2.x (eaccdf5) will decrease coverage by 0.01%.
Report is 13 commits behind head on 2.x.
The diff coverage is 73.45%.

@@             Coverage Diff              @@
##                2.x   #10278      +/-   ##
============================================
- Coverage     70.87%   70.87%   -0.01%     
- Complexity    58344    58345       +1     
============================================
  Files          4814     4814              
  Lines        275527   275603      +76     
  Branches      40503    40519      +16     
============================================
+ Hits         195280   195321      +41     
+ Misses        63613    63579      -34     
- Partials      16634    16703      +69     

Files	Coverage Δ
...main/java/org/opensearch/core/rest/RestStatus.java	97.33% <100.00%> (+8.14%)	⬆️
...arch/analysis/common/MappingCharFilterFactory.java	50.00% <100.00%> (ø)
...n/java/org/opensearch/index/analysis/Analysis.java	84.21% <100.00%> (-0.12%)	⬇️
.../opensearch/index/shard/InternalIndexingStats.java	87.50% <100.00%> (ø)
...in/java/org/opensearch/indices/IndicesService.java	70.07% <100.00%> (-0.64%)	⬇️
...rg/opensearch/action/bulk/TransportBulkAction.java	76.44% <94.44%> (+0.37%)	⬆️
...rg/opensearch/repositories/s3/S3BlobContainer.java	77.18% <76.66%> (-1.02%)	⬇️
...java/org/opensearch/index/shard/IndexingStats.java	86.61% <81.81%> (+2.30%)	⬆️
...pensearch/action/update/TransportUpdateAction.java	4.24% <0.00%> (-0.34%)	⬇️

... and 461 files with indirect coverage changes