taklwu commented on code in PR #11102:
URL: https://github.com/apache/ozone/pull/11102#discussion_r3984356858
##########
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/storage/ChunkInputStream.java:
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@@ -430,14 +433,130 @@ protected void readChunkDataIntoBuffers(ChunkInfo
readChunkInfo)
}
/**
- * Send RPC call to get the chunk from the container.
+ * Whether this chunk stream can serve positioned reads without holding a
+ * lock. A plain chunk read is a self-contained RPC, so concurrent callers
+ * reading different ranges do not interfere. Overridden by
+ * {@link LocalChunkInputStream} uses positional {@link FileChannel} reads on
+ * the shared block channel, so concurrent callers on different chunks do not
+ * interfere.
*/
- @VisibleForTesting
- protected ByteBuffer[] readChunk(ChunkInfo readChunkInfo)
+ boolean supportsConcurrentPositionedRead() {
+ return true;
+ }
Review Comment:
thanks, let me fix the checkstyle and address this at the same time
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