diff --git a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeConfiguration.java b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeConfiguration.java
index 6167d71efef4..75c34477de5b 100644
--- a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeConfiguration.java
+++ b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeConfiguration.java
@@ -75,8 +75,10 @@ public class DatanodeConfiguration {
   static final boolean CONTAINER_SCHEMA_V3_ENABLED_DEFAULT = false;
   static final long ROCKSDB_LOG_MAX_FILE_SIZE_BYTES_DEFAULT = 32 * 1024 * 1024;
   static final int ROCKSDB_LOG_MAX_FILE_NUM_DEFAULT = 64;
+  // one hour
   static final long ROCKSDB_DELETE_OBSOLETE_FILES_PERIOD_MICRO_SECONDS_DEFAULT =
-      6 * 60 * 60 * 1000 * 1000;
+      1L * 60 * 60 * 1000 * 1000;
+  static final int ROCKSDB_MAX_OPEN_FILES_DEFAULT = 1024;
   public static final String ROCKSDB_LOG_MAX_FILE_SIZE_BYTES_KEY =
       "hdds.datanode.rocksdb.log.max-file-size";
   public static final String ROCKSDB_LOG_MAX_FILE_NUM_KEY =
@@ -338,16 +340,24 @@ public void setWaitOnAllFollowers(boolean val) {
   )
   private int rocksdbMaxFileNum = ROCKSDB_LOG_MAX_FILE_NUM_DEFAULT;
 
-  @Config(key = "rocksdb.delete_obsolete_files_period",
-      defaultValue = "6h", timeUnit = MICROSECONDS,
+  @Config(key = "rocksdb.delete-obsolete-files-period",
+      defaultValue = "1h", timeUnit = MICROSECONDS,
       type = ConfigType.TIME,
       tags = { DATANODE },
       description = "Periodicity when obsolete files get deleted. " +
-          "Default is 6h."
+          "Default is 1h."
   )
   private long rocksdbDeleteObsoleteFilesPeriod =
       ROCKSDB_DELETE_OBSOLETE_FILES_PERIOD_MICRO_SECONDS_DEFAULT;
 
+  @Config(key = "rocksdb.max-open-files",
+      defaultValue = "1024",
+      type = ConfigType.INT,
+      tags = { DATANODE },
+      description = "The total number of files that a RocksDB can open. "
+  )
+  private int rocksdbMaxOpenFiles = ROCKSDB_MAX_OPEN_FILES_DEFAULT;
+
   @PostConstruct
   public void validate() {
     if (containerDeleteThreads < 1) {
@@ -562,4 +572,12 @@ public long getRocksdbDeleteObsoleteFilesPeriod() {
   public void setRocksdbDeleteObsoleteFilesPeriod(long period) {
     this.rocksdbDeleteObsoleteFilesPeriod = period;
   }
-}
+
+  public void setRocksdbMaxOpenFiles(int count) {
+    this.rocksdbMaxOpenFiles = count;
+  }
+
+  public int getRocksdbMaxOpenFiles() {
+    return this.rocksdbMaxOpenFiles;
+  }
+}
\ No newline at end of file