anmolanmol1234 commented on code in PR #8212:
URL: https://github.com/apache/hadoop/pull/8212#discussion_r2741073137
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hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsPrefetchInputStream.java:
##########
@@ -80,10 +81,22 @@ protected int readOneBlock(final byte[] b, final int off,
final int len) throws
}
/*
- * Always start with Prefetch even from first read.
- * Even if out of order seek comes, prefetches will be triggered for
next set of blocks.
+ Skips prefetch for the first read if restrictGpsOnOpenFile config is
enabled.
+ This is required since contentLength is not available yet to determine
prefetch block size.
*/
- bytesRead = readInternal(getFCursor(), getBuffer(), 0, getBufferSize(),
false);
+ if(shouldRestrictGpsOnOpenFile() && isFirstRead()) {
Review Comment:
nit: space after if
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