Adding a mostly write(0.95) workload for performance benchmarking

PiperOrigin-RevId: 318336207

Author: p3rf Team

CHANGES.next.md

@@ -15,6 +15,8 @@
 -   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:
 

perfkitbenchmarker/data/ycsb/workloadw

@@ -0,0 +1,20 @@
+# PKB custom mostly write workload
+#
+#   Read/update ratio: 5/95
+#   Default data size: 1 KB records (10 fields, 100 bytes each, plus key),
+#     total payloads are 1GB (1kb * 1000000) in size.
+#   Request distribution: zipfian
+
+workload=site.ycsb.workloads.CoreWorkload
+
+readallfields=true
+operationcount=1000000
+recordcount = 1000000
+
+readproportion=0.05
+updateproportion=0.95
+scanproportion=0
+insertproportion=0
+
+requestdistribution=zipfian
+

perfkitbenchmarker/data/ycsb/workloadw_uniform

@@ -0,0 +1,20 @@
+# PKB custom mostly write workload
+#
+#   Read/update ratio: 5/95
+#   Default data size: 1 KB records (10 fields, 100 bytes each, plus key),
+#     total payloads are 1GB (1kb * 1000000) in size.
+#   Request distribution: uniform
+
+workload=site.ycsb.workloads.CoreWorkload
+
+readallfields=true
+operationcount=1000000
+recordcount = 1000000
+
+readproportion=0.05
+updateproportion=0.95
+scanproportion=0
+insertproportion=0
+
+requestdistribution=uniform
+