dcapwell commented on code in PR #3606:
URL: https://github.com/apache/cassandra/pull/3606#discussion_r1794248317
##########
src/java/org/apache/cassandra/io/util/CompressedChunkReader.java:
##########
@@ -117,8 +141,23 @@ public void readChunk(long position, ByteBuffer
uncompressed)
{
ByteBuffer compressed = bufferHolder.getBuffer(length);
- if (channel.read(compressed, chunk.offset) != length)
- throw new CorruptBlockException(channel.filePath(),
chunk);
+ if (readAheadBuffer != null && readAheadBuffer.hasBuffer())
+ {
+ int copied = 0;
+ while (copied < length) {
+ readAheadBuffer.fill(chunk.offset + copied);
+
+ int leftToRead = length - copied;
+ if (readAheadBuffer.remaining() >= leftToRead)
+ copied += readAheadBuffer.read(compressed,
leftToRead);
+ else
+ copied += readAheadBuffer.read(compressed,
readAheadBuffer.remaining());
+ }
+ } else
Review Comment:
```suggestion
}
else
```
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