CHANGES.txt formatting cleanup

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1204394 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -199,7 +199,7 @@ Release 0.23.0 - 2011-11-01
     HDFS-1695. Federation: Fix testOIV and TestDatanodeUtils 
     (jhoman and tanping via boryas)
 
-    HDFS:1699. Federation: Fix failure of TestBlockReport.
+    HDFS-1699. Federation: Fix failure of TestBlockReport.
     (Matt Foley via suresh)
 
     HDFS-1698. Federation: TestOverReplicatedBlocks and TestWriteToReplica 
@@ -330,7 +330,7 @@ Release 0.23.0 - 2011-11-01
     HDFS-1873. Federation: Add cluster management web console.
     (Tanping Wang via suresh)
 
-    HDFS 1911 HDFS tests for the newly added viewfs
+    HDFS-1911 HDFS tests for the newly added viewfs
 
     HDFS-1814. Add "hdfs groups" command to query the server-side groups
     resolved for a user. (Aaron T. Myers via todd)
@@ -1248,83 +1248,132 @@ Release 0.23.0 - 2011-11-01
 
     HDFS-1521. Persist transaction ID on disk between NN restarts.
                (Ivan Kelly and Todd Lipcon via todd)
+
     HDFS-1538. Refactor more startup and image loading code out of FSImage.
                (todd)
+
     HDFS-1729. Add code to detect valid length of an edits file. (todd)
+
     HDFS-1793. Add code to inspect a storage directory with txid-based
                filenames (todd)
+
     HDFS-1794. Add code to list which edit logs are available on a remote NN
                (todd)
+
     HDFS-1858. Add state management variables to FSEditLog (Ivan Kelly and Todd
                Lipcon via todd)
+
     HDFS-1859. Add some convenience functions to iterate over edit log streams
                (Ivan Kelly and Todd Lipcon via todd)
+
     HDFS-1894. Add constants for LAYOUT_VERSIONs in edits log branch (todd)
+
     HDFS-1892. Fix EditLogFileInputStream.getValidLength to be aware of
                OP_INVALID filler (todd)
+
     HDFS-1799. Refactor log rolling and filename management out of FSEditLog
                (Ivan Kelly and Todd Lipcon via todd)
+
     HDFS-1801. Remove use of timestamps to identify checkpoints and logs (todd)
+
     HDFS-1930. TestDFSUpgrade failing in HDFS-1073 branch (todd)
+
     HDFS-1800. Extend image checksumming to function with multiple fsimage
                files per directory. (todd)
+
     HDFS-1725. Set storage directories only at FSImage construction (Ivan Kelly
                via todd)
+
     HDFS-1926. Remove references to StorageDirectory from JournalManager
                interface (Ivan Kelly via todd)
+
     HDFS-1893. Change edit logs and images to be named based on txid (todd)
+
     HDFS-1985. Clean up image transfer servlet (todd)
+
     HDFS-1984. Enable multiple secondary namenodes to run simultaneously (todd)
+
     HDFS-1987. Re-enable TestCheckpoint.testSecondaryImageDownload which was
                not running previously. (todd)
+
     HDFS-1993. TestCheckpoint needs to clean up between cases (todd)
+
     HDFS-1992. Remove vestiges of NNStorageListener. (todd)
+
     HDFS-1991. Some refactoring of Secondary NameNode to be able to share more
                code with the BackupNode or CheckpointNode. (todd)
+
     HDFS-1994. Fix race conditions when running two rapidly checkpointing
                Secondary NameNodes. (todd)
+
     HDFS-2001. Remove use of previous.checkpoint and lastcheckpoint.tmp
                directories (todd)
+
     HDFS-2015. Remove checkpointTxId from VERSION file. (todd)
+
     HDFS-2016. Add infrastructure to remove or archive old and unneeded storage
                files within the name directories. (todd)
+
     HDFS-2047. Improve TestNamespace and TestEditLog in HDFS-1073 branch.
                (todd)
+
     HDFS-2048. Add upgrade tests and fix upgrade from 0.22 with corrupt image.
                (todd)
+
     HDFS-2027. Image inspector should return finalized logs before unfinalized
                logs. (todd)
+
     HDFS-2074. Determine edit log validity by truly reading and validating
                transactions. (todd)
+
     HDFS-2085. Finalize in-progress edit logs at startup. (todd)
+
     HDFS-2026. SecondaryNameNode should properly handle the case where the
                NameNode is reformatted. (todd)
+
     HDFS-2077. Address checkpoint upload when one of the storage dirs is failed
                (todd)
+
     HDFS-2078. NameNode should not clear directory when restoring removed
                storage. (todd)
+
     HDFS-2088. Move edits log archiving logic into FSEditLog/JournalManager
                (todd)
+
     HDFS-2093. Handle case where an entirely empty log is left during NN crash
                (todd)
+
     HDFS-2102. Zero-pad edits filename to make them lexically sortable. (Ivan
                Kelly via todd)
+
     HDFS-2010. Fix NameNode to exit if all edit streams become inaccessible.
                (atm via todd)
+
     HDFS-2123. Checkpoint interval should be based on txn count, not size.
                (todd)
+
     HDFS-1979. Fix backupnode for new edits/image layout. (todd)
+
     HDFS-2101. Fix remaining unit tests for new storage filenames. (todd)
+
     HDFS-2133. Address remaining TODOs and pre-merge cleanup on HDFS-1073
                branch.  (todd)
+
     HDFS-1780. Reduce need to rewrite FSImage on startup. (todd)
+
     HDFS-2104. Add a flag to the 2NN to format its checkpoint dirs on startup.
                (todd)
+
     HDFS-2135. Fix regression of HDFS-1955 in HDFS-1073 branch. (todd)
+
     HDFS-2160. Fix CreateEditsLog test tool in HDFS-1073 branch. (todd)
+
     HDFS-2168. Reenable TestEditLog.testFailedOpen and fix exposed bug. (todd)
+
     HDFS-2169. Clean up TestCheckpoint and remove TODOs (todd)
+
     HDFS-2170. Address remaining TODOs in HDFS-1073 branch. (todd)
+
     HDFS-2172. Address findbugs and javadoc warnings in HDFS-1073 branch. 
                (todd)