diff --git a/docs/_includes/generated/rocks_db_configurable_configuration.html b/docs/_includes/generated/rocks_db_configurable_configuration.html
index 638a3a5574763..fa0e0ff0dd04b 100644
--- a/docs/_includes/generated/rocks_db_configurable_configuration.html
+++ b/docs/_includes/generated/rocks_db_configurable_configuration.html
@@ -40,12 +40,12 @@
state.backend.rocksdb.files.open |
(none) |
- The maximum number of open files that can be used by the DB, '-1' means no limit. RocksDB has default configuration as '5000'. |
+ The maximum number of open files (per TaskManager) that can be used by the DB, '-1' means no limit. RocksDB has default configuration as '5000'. |
state.backend.rocksdb.thread.num |
(none) |
- The maximum number of concurrent background flush and compaction jobs. RocksDB has default configuration as '1'. |
+ The maximum number of concurrent background flush and compaction jobs (per TaskManager). RocksDB has default configuration as '1'. |
state.backend.rocksdb.writebuffer.count |
diff --git a/docs/_includes/generated/rocks_db_configuration.html b/docs/_includes/generated/rocks_db_configuration.html
index 88e8c466f92b5..f9a6d95f0f674 100644
--- a/docs/_includes/generated/rocks_db_configuration.html
+++ b/docs/_includes/generated/rocks_db_configuration.html
@@ -10,7 +10,7 @@
state.backend.rocksdb.checkpoint.transfer.thread.num |
1 |
- The number of threads used to transfer (download and upload) files in RocksDBStateBackend. |
+ The number of threads (per stateful operator) used to transfer (download and upload) files in RocksDBStateBackend. |
state.backend.rocksdb.localdir |
diff --git a/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBConfigurableOptions.java b/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBConfigurableOptions.java
index 089f08cd669d3..261e5f020b816 100644
--- a/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBConfigurableOptions.java
+++ b/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBConfigurableOptions.java
@@ -46,13 +46,13 @@ public class RocksDBConfigurableOptions implements Serializable {
public static final ConfigOption MAX_BACKGROUND_THREADS =
key("state.backend.rocksdb.thread.num")
.noDefaultValue()
- .withDescription("The maximum number of concurrent background flush and compaction jobs. " +
+ .withDescription("The maximum number of concurrent background flush and compaction jobs (per TaskManager). " +
"RocksDB has default configuration as '1'.");
public static final ConfigOption MAX_OPEN_FILES =
key("state.backend.rocksdb.files.open")
.noDefaultValue()
- .withDescription("The maximum number of open files that can be used by the DB, '-1' means no limit. " +
+ .withDescription("The maximum number of open files (per TaskManager) that can be used by the DB, '-1' means no limit. " +
"RocksDB has default configuration as '5000'.");
//--------------------------------------------------------------------------
diff --git a/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBOptions.java b/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBOptions.java
index 8fa497b47d8e1..8ffd1423d5a8e 100644
--- a/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBOptions.java
+++ b/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBOptions.java
@@ -56,7 +56,7 @@ public class RocksDBOptions {
public static final ConfigOption CHECKPOINT_TRANSFER_THREAD_NUM = ConfigOptions
.key("state.backend.rocksdb.checkpoint.transfer.thread.num")
.defaultValue(1)
- .withDescription("The number of threads used to transfer (download and upload) files in RocksDBStateBackend.");
+ .withDescription("The number of threads (per stateful operator) used to transfer (download and upload) files in RocksDBStateBackend.");
/** This determines if compaction filter to cleanup state with TTL is enabled. */
public static final ConfigOption TTL_COMPACT_FILTER_ENABLED = ConfigOptions