anujmodi2021 commented on code in PR #7801:
URL: https://github.com/apache/hadoop/pull/7801#discussion_r2214975298
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hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/ConfigurationKeys.java:
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@@ -259,10 +259,15 @@ 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";
Review Comment:
By independent I mean, users don't have to explicitly enable
`fs.azure.enable.readahead` for `fs.azure.enable.readahead.v2` to work.
And yes if both are set, preference will be given to V2.
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