Update release notes for PKB version 1.15.1.

PiperOrigin-RevId: 318359632

Author: bvliu

CHANGES.md

@@ -1,4 +1,36 @@
+# v1.15.1
+
+### Breaking changes:
+
+-   Rename ycsb workloadd to workloadx to show that it is a custom PKB
+    write-only workload.
+
+### New features:
+
+-   Add FairSeq Roberta Masked Multilingual LM benchmark for linux.
+-   Add bulk delete API operation to object storage API scripts.
+-   Catch preemptible instance's interrupt event.
+
+### Enhancements:
+
+-   Enable support for AWS's c6g and r6g families.
+-   Integrate edw_benchmark with new Client Interface and results aggregation
+    framework.
+-   Update default stress-ng version from 5.23 to 9.25 (default on Ubuntu 1804).
+-   Added two new workloads(workloadw and workloadw_uniform) for testing mostly
+    write use cases(read/write 5/95)
+
+### Bug fixes and maintenance updates:
+
+-   Parallelize entity deletion processing for a kind.
+-   Move coremark installation into a package.
+-   Fixed one object per stream run for object storage service benchmark.
+-   Benchmarking of AWS Athena now records client observed run time rather that
+    Athena's reported run time.
+-   Use sub processes instead of threads for entity deletion processing.
+
 # v1.15.0
+
 ### Breaking changes:
 
 -   Remove `ubuntu1404` and `debian` OS types.

CHANGES.next.md

@@ -1,28 +1,7 @@
 ### Breaking changes:
 
--   Rename ycsb workloadd to workloadx to show that it is a custom PKB
-    write-only workload.
-
 ### New features:
 
--   Add FairSeq Roberta Masked Multilingual LM benchmark for linux.
--   Add bulk delete API operation to object storage API scripts.
--   Catch preemptible instance's interrupt event.
-
 ### Enhancements:
 
--   Enable support for AWS's c6g and r6g families.
--   Integrate edw_benchmark with new Client Interface and results aggregation
-    framework.
--   Update default stress-ng version from 5.23 to 9.25 (default on Ubuntu 1804).
--   Added two new workloads(workloadw and workloadw_uniform) for testing mostly
-    write use cases(read/write 5/95)
-
 ### Bug fixes and maintenance updates:
-
--   Parallelize entity deletion processing for a kind.
--   Move coremark installation into a package.
--   Fixed one object per stream run for object storage service benchmark.
--   Benchmarking of AWS Athena now records client observed run time rather that
-    Athena's reported run time.
--   Use sub processes instead of threads for entity deletion processing.