adoroszlai opened a new pull request #88: HDDS-2272. Avoid buffer copying in GrpcReplicationClient URL: https://github.com/apache/hadoop-ozone/pull/88 ## What changes were proposed in this pull request? Eliminate `BufferedOutputStream`, write `ByteString` directly to `FileStream` to avoid a buffer copy. Also, use `ByteString.writeTo(OutputStream)`, although it still seems to copy the byte array internally. https://issues.apache.org/jira/browse/HDDS-2272 ## How was this patch tested? Tested closed container replication manually with a 300MB container. Verified that container is correctly replicated to other datanode.
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