anujmodi2021 commented on code in PR #7801:
URL: https://github.com/apache/hadoop/pull/7801#discussion_r2234848778
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/ConfigurationKeys.java:
##########
@@ -259,10 +259,46 @@ public final class ConfigurationKeys {
public static final String AZURE_KEY_ACCOUNT_SHELLKEYPROVIDER_SCRIPT =
"fs.azure.shellkeyprovider.script";
/**
- * Enable or disable readahead buffer in AbfsInputStream.
+ * Enable or disable readahead V1 in AbfsInputStream.
* Value: {@value}.
*/
public static final String FS_AZURE_ENABLE_READAHEAD =
"fs.azure.enable.readahead";
+ /**
+ * Enable or disable readahead V2 in AbfsInputStream. This will work
independent of V1.
+ * Value: {@value}.
+ */
+ public static final String FS_AZURE_ENABLE_READAHEAD_V2 =
"fs.azure.enable.readahead.v2";
+
+ /**
+ * Minimum number of prefetch threads in the thread pool for readahead V2.
+ * {@value }
+ */
+ public static final String FS_AZURE_READAHEAD_V2_MIN_THREAD_POOL_SIZE =
"fs.azure.readahead.v2.min.thread.pool.size";
+ /**
+ * Maximum number of prefetch threads in the thread pool for readahead V2.
+ * {@value }
+ */
+ public static final String FS_AZURE_READAHEAD_V2_MAX_THREAD_POOL_SIZE =
"fs.azure.readahead.v2.max.thread.pool.size";
+ /**
+ * Minimum size of the buffer pool for caching prefetched data for readahead
V2.
+ * {@value }
+ */
+ public static final String FS_AZURE_READAHEAD_V2_MIN_BUFFER_POOL_SIZE =
"fs.azure.readahead.v2.min.buffer.pool.size";
+ /**
+ * Maximum size of the buffer pool for caching prefetched data for readahead
V2.
+ * {@value }
+ */
+ public static final String FS_AZURE_READAHEAD_V2_MAX_BUFFER_POOL_SIZE =
"fs.azure.readahead.v2.max.buffer.pool.size";
+
+ /**
+ * TTL in milliseconds for the idle threads in executor service used by read
ahead v2.
+ */
+ public static final String
FS_AZURE_READAHEAD_V2_EXECUTOR_SERVICE_TTL_MILLISECONDS =
"fs.azure.readahead.v2.executor.service.ttl.seconds";
Review Comment:
Good catc. Fixed it
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