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Review request for hadoop-hdfs. Summary ------- BookKeeper is a system to reliably log streams of records (https://issues.apache.org/jira/browse/ZOOKEEPER-276). The NameNode is a natural target for such a system for being the metadata repository of the entire file system for HDFS. This addresses bug HDFS-234. http://issues.apache.org/jira/browse/HDFS-234 Diffs ----- hadoop-hdfs-project/hadoop-hdfs/pom.xml 1bcc372 hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/BookKeeperEditLogInputStream.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/TestBookKeeperJournalManager.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogTestUtil.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/EditLogLedgerMetadata.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/MaxTxId.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/WriteLock.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/BookKeeperEditLogOutputStream.java PRE-CREATION hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/bkjournal/BookKeeperJournalManager.java PRE-CREATION Diff: https://reviews.apache.org/r/2835/diff Testing ------- Thanks, Ivan
