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Posted to hdfs-dev@hadoop.apache.org by GitBox <gi...@apache.org> on 2019/10/25 18:37:44 UTC

[GitHub] [hadoop-ozone] adoroszlai opened a new pull request #88: HDDS-2272. Avoid buffer copying in GrpcReplicationClient

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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