jerqi commented on code in PR #55:
URL: https://github.com/apache/incubator-uniffle/pull/55#discussion_r921870100
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client-mr/src/main/java/org/apache/hadoop/mapreduce/task/reduce/RssRemoteMergeManagerImpl.java:
##########
@@ -140,6 +141,14 @@ public RssRemoteMergeManagerImpl(String appId,
TaskAttemptID reduceId, JobConf j
this.mergedMapOutputsCounter = mergedMapOutputsCounter;
try {
+ // Use minimized replica, because spilled data can be recomputed by
reduce task.
+ // Instead, we use more retries on HDFS client.
+ int replication =
remoteConf.getInt(RssMRConfig.RSS_REDUCE_REMOTE_SPILL_REPLICATION,
Review Comment:
remoteConf only contains jobConf, doesn't contain rssConf.
##########
client-mr/src/main/java/org/apache/hadoop/mapreduce/task/reduce/RssRemoteMergeManagerImpl.java:
##########
@@ -140,6 +141,14 @@ public RssRemoteMergeManagerImpl(String appId,
TaskAttemptID reduceId, JobConf j
this.mergedMapOutputsCounter = mergedMapOutputsCounter;
try {
+ // Use minimized replica, because spilled data can be recomputed by
reduce task.
+ // Instead, we use more retries on HDFS client.
+ int replication =
remoteConf.getInt(RssMRConfig.RSS_REDUCE_REMOTE_SPILL_REPLICATION,
Review Comment:
RemoteConf only contains jobConf, doesn't contain rssConf.
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