Apache9 commented on a change in pull request #3434:
URL: https://github.com/apache/hbase/pull/3434#discussion_r660287517
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File path:
hbase-common/src/main/java/org/apache/hadoop/hbase/io/util/BlockIOUtils.java
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@@ -207,6 +234,17 @@ public static boolean readWithExtra(ByteBuff buf,
FSDataInputStream dis, int nec
*/
public static boolean preadWithExtra(ByteBuff buff, FSDataInputStream dis,
long position,
int necessaryLen, int extraLen) throws IOException {
+ boolean preadbytebuffer = dis.hasCapability("in:preadbytebuffer");
Review comment:
We need to test it every time? Is it possible to test once when the
FSDataInputStream is created?
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