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https://issues.apache.org/jira/browse/HADOOP-19211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17866192#comment-17866192
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ASF GitHub Bot commented on HADOOP-19211:
-----------------------------------------
mukund-thakur commented on code in PR #6904:
URL: https://github.com/apache/hadoop/pull/6904#discussion_r1678447883
##########
hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java:
##########
@@ -211,4 +211,54 @@ private Constants() {
public static final String LIST_VERSION = "fs.oss.list.version";
public static final int DEFAULT_LIST_VERSION = 2;
+
+ /**
+ * What is the smallest reasonable seek in bytes such
+ * that we group ranges together during vectored read operation.
+ * Value : {@value}.
+ */
+ public static final String OSS_VECTOR_READS_MIN_SEEK_SIZE =
+ "fs.oss.vectored.read.min.seek.size";
+
+ /**
+ * What is the largest merged read size in bytes such
+ * that we group ranges together during vectored read.
+ * Setting this value to 0 will disable merging of ranges.
+ * Value : {@value}.
+ */
+ public static final String OSS_VECTOR_READS_MAX_MERGED_READ_SIZE =
+ "fs.oss.vectored.read.max.merged.size";
+
+ /**
+ * Default minimum seek in bytes during vectored reads : {@value}.
+ */
+ public static final int DEFAULT_OSS_VECTOR_READS_MIN_SEEK_SIZE = 4896; // 4K
+
+ /**
+ * Default maximum read size in bytes during vectored reads : {@value}.
+ */
+ public static final int DEFAULT_OSS_VECTOR_READS_MAX_MERGED_READ_SIZE =
1253376; //1M
Review Comment:
please pick the correct values from
https://github.com/apache/hadoop/pull/6702/files
> AliyunOSS: Support vectored read API
> ------------------------------------
>
> Key: HADOOP-19211
> URL: https://issues.apache.org/jira/browse/HADOOP-19211
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/oss
> Affects Versions: 3.2.4, 3.3.6
> Reporter: wujinhu
> Assignee: wujinhu
> Priority: Major
> Labels: pull-request-available
>
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