[
https://issues.apache.org/jira/browse/HADOOP-19139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17838463#comment-17838463
]
ASF GitHub Bot commented on HADOOP-19139:
-----------------------------------------
saxenapranav commented on code in PR #6699:
URL: https://github.com/apache/hadoop/pull/6699#discussion_r1569995818
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/ConfigurationKeys.java:
##########
@@ -309,5 +309,19 @@ public static String accountProperty(String property,
String account) {
* @see FileSystem#openFile(org.apache.hadoop.fs.Path)
*/
public static final String FS_AZURE_BUFFERED_PREAD_DISABLE =
"fs.azure.buffered.pread.disable";
+
+ /**
+ * Disable the call of HEAD call for opening a inputStream. ReadPath API of
server
+ * would give the contentLength and eTag which would be used in subsequent
calls
+ * for if-match headers.
+ */
+ public static final String FS_AZURE_HEAD_CALL_OPTIMIZATION_INPUT_STREAM =
"fs.azure.head.call.optimization.input.stream";
Review Comment:
taken
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/ConfigurationKeys.java:
##########
@@ -309,5 +309,19 @@ public static String accountProperty(String property,
String account) {
* @see FileSystem#openFile(org.apache.hadoop.fs.Path)
*/
public static final String FS_AZURE_BUFFERED_PREAD_DISABLE =
"fs.azure.buffered.pread.disable";
+
+ /**
+ * Disable the call of HEAD call for opening a inputStream. ReadPath API of
server
+ * would give the contentLength and eTag which would be used in subsequent
calls
+ * for if-match headers.
+ */
+ public static final String FS_AZURE_HEAD_CALL_OPTIMIZATION_INPUT_STREAM =
"fs.azure.head.call.optimization.input.stream";
+
+ /**
+ * Enable prefetch on the first read to {@link
org.apache.hadoop.fs.azurebfs.services.AbfsInputStream}.
+ * If disabled, first call would not trigger prefetch. Prefetch would be
switched on
+ * after first read call.
+ */
+ public static final String FS_AZURE_PREFETCH_FIRST_READ_CALL =
"fs.azure.prefetch.first.read.call";
Review Comment:
taken.
> [ABFS]: No GetPathStatus call for opening AbfsInputStream
> ---------------------------------------------------------
>
> Key: HADOOP-19139
> URL: https://issues.apache.org/jira/browse/HADOOP-19139
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Reporter: Pranav Saxena
> Assignee: Pranav Saxena
> Priority: Major
> Labels: pull-request-available
>
> Read API gives contentLen and etag of the path. This information would be
> used in future calls on that inputStream. Prior information of eTag is of not
> much importance.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
