HDDS-345. Upgrade RocksDB version from 5.8.0 to 5.14.2. Contributed by Nanda kumar.

hadoop-hdds/common/pom.xml

@@ -75,7 +75,7 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <dependency>
       <groupId>org.rocksdb</groupId>
       <artifactId>rocksdbjni</artifactId>
-      <version>5.8.0</version>
+      <version>5.14.2</version>
     </dependency>
 
     <dependency>

hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/RocksDBStore.java

@@ -247,7 +247,7 @@ public void writeBatch(BatchOperation operation)
         for (BatchOperation.SingleOperation opt : operations) {
           switch (opt.getOpt()) {
           case DELETE:
-            writeBatch.remove(opt.getKey());
+            writeBatch.delete(opt.getKey());
             break;
           case PUT:
             writeBatch.put(opt.getKey(), opt.getValue());