steveloughran commented on code in PR #6604:
URL: https://github.com/apache/hadoop/pull/6604#discussion_r1537744581
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hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java:
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@@ -885,19 +904,26 @@ public int maxReadSizeForVectorReads() {
* @throws IOException IOE if any.
*/
@Override
- public void readVectored(List<? extends FileRange> ranges,
+ public synchronized void readVectored(List<? extends FileRange> ranges,
Review Comment:
the invocation is sync, so as to lock out other IO, file being closed etc.
but once the reads are queued for execution the API can be invoked again.
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