rustyrazorblade commented on code in PR #3606:
URL: https://github.com/apache/cassandra/pull/3606#discussion_r1850695843
##########
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) {
Review Comment:
> would you prefer a boolean to turn it on and off and a fixed buffer size.
I think it could be useful to test larger sizes. We might find that a 1MB
buffer works a little better in some situations, such as spinning disks or a
slower NAS / SAN.
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