Add release notes for version 2.0.1

[kotwanikunal]

Signed-off-by: Kunal Kotwani [email protected]

Description

• Add release notes for 2.0.1

Issues Resolved

• Part of 2165

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

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[dreamer-89]

These three commits can be removed. First two commit added typed end-points (and type support in bulk request), the third commit reverts the first two. Keeping these will confuse the user.

[kotwanikunal]

Updated the PR

[dreamer-89]

LGTM!

[opensearch-ci-bot]

❌   Gradle Check failure 32862f3d6a84b738146cbde47518e5acc96f4df2
Log 6043

Reports 6043

[kotwanikunal]

2> REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.opensearch.cluster.routing.allocation.decider.DiskThresholdDeciderIT.testHighWatermarkNotExceeded" -Dtests.seed=F9A946563670180E -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=pt-BR -Dtests.timezone=Europe/Istanbul -Druntime.java=17
  2> java.lang.AssertionError: Mismatching shard routings: []
    Expected: a collection with size <1>
         but: collection size was <0>
        at __randomizedtesting.SeedInfo.seed([F9A946563670180E:1088A7E4B6B6D1E0]:0)
        at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
        at org.junit.Assert.assertThat(Assert.java:964)
        at org.opensearch.cluster.routing.allocation.decider.DiskThresholdDeciderIT.lambda$assertBusyWithDiskUsageRefresh$5(DiskThresholdDeciderIT.java:362)
        at org.opensearch.test.OpenSearchTestCase.assertBusy(OpenSearchTestCase.java:1049)
        at org.opensearch.cluster.routing.allocation.decider.DiskThresholdDeciderIT.assertBusyWithDiskUsageRefresh(DiskThresholdDeciderIT.java:355)
        at org.opensearch.cluster.routing.allocation.decider.DiskThresholdDeciderIT.testHighWatermarkNotExceeded(DiskThresholdDeciderIT.java:188)
  2> NOTE: leaving temporary files on disk at: /var/CITOOL/workflow/OpenSearch_CI/PR_Checks/Gradle_Check/search/server/build/testrun/internalClusterTest/temp/org.opensearch.cluster.routing.allocation.decider.DiskThresholdDeciderIT_F9A946563670180E-004
  2> NOTE: test params are: codec=Lucene92, sim=Asserting(RandomSimilarity(queryNorm=false): {}), locale=pt-BR, timezone=Europe/Istanbul
  2> NOTE: Linux 5.13.0-1014-aws amd64/Eclipse Adoptium 17.0.3 (64-bit)/cpus=72,threads=1,free=215626176,total=536870912
  2> NOTE: All tests run in this JVM: [TransportClusterStateActionDisruptionIT, IndexingClusterManagerFailoverIT, DiskThresholdDeciderIT]

Same issue as #3568 (comment)

#3579

[opensearch-ci-bot]

✅   Gradle Check success 72c17e4
Log 6044

Reports 6044