adoroszlai commented on a change in pull request #551: HDDS-2717. Handle chunk
increments in datanode
URL: https://github.com/apache/hadoop-ozone/pull/551#discussion_r387603227
##########
File path:
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/storage/BlockOutputStream.java
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@@ -274,13 +271,16 @@ public void writeOnRetry(long len) throws IOException {
if (len == 0) {
return;
}
- int count = 0;
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Retrying write length {} for blockID {}", len, blockID);
+ }
Preconditions.checkArgument(len <= streamBufferMaxSize);
+ int count = 0;
while (len > 0) {
- long writeLen;
- writeLen = Math.min(chunkSize, len);
- if (writeLen == chunkSize) {
- writeChunk(bufferPool.getBuffer(count));
+ ChunkBuffer buffer = bufferPool.getBuffer(count);
+ long writeLen = Math.min(buffer.position(), len);
+ if (!buffer.hasRemaining()) {
Review comment:
> Are we ensuring buffer size will always be equal to chunk size?
No, the goal was to make these independent. However, we can get rid of the
client-side config for now, and introduce it if/when server-side aggregation
for per-chunk layout is implemented.
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