steveloughran commented on a change in pull request #1830: HADOOP-11867: Add
gather API to file system.
URL: https://github.com/apache/hadoop/pull/1830#discussion_r374652156
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/PositionedReadable.java
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@@ -85,4 +89,37 @@ void readFully(long position, byte[] buffer, int offset,
int length)
* the read operation completed
*/
void readFully(long position, byte[] buffer) throws IOException;
+
+ /**
+ * What is the smallest reasonable seek?
+ * @return the minimum number of bytes
+ */
+ default int minimumReasonableSeek() {
+ return 4 * 1024;
Review comment:
should really be constants somewhere, even if within this interface
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