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[HDFS-2009] test-patch comment doesn't show names of failed FI tests - HDFS - [issue]
...Looks like test-patch.sh only looks at the build/test/*xml test results, but it should also look at build-fi/test/*xml I think...
http://issues.apache.org/jira/browse/HDFS-2009    Author: Todd Lipcon, 2015-04-26, 01:53
[HDFS-2686] Remove DistributedUpgrade related code - HDFS - [issue]
...A distributed upgrade framework was introduced long ago in HADOOP-1286 but was only used twice throughout history, and not since 0.17, where it was considered buggy (see HADOOP-3677). This i...
http://issues.apache.org/jira/browse/HDFS-2686    Author: Todd Lipcon, 2015-04-22, 14:15
[HDFS-3918] EditLogTailer shouldn't log WARN when other node is in standby mode - HDFS - [issue]
...If both nodes are in standby mode, each will be trying to roll the others' logs, which results in errors like:Unable to trigger a roll of the active NN org.apache.hadoop.ipc.StandbyException...
http://issues.apache.org/jira/browse/HDFS-3918    Author: Todd Lipcon, 2015-03-31, 15:46
[HDFS-4638] TransferFsImage should take Configuration as parameter - HDFS - [issue]
...TransferFsImage currently creates a new HdfsConfiguration object, rather than taking one passed in. This means that using dfsadmin -fetchImage, you can't pass a different timeout on the comm...
http://issues.apache.org/jira/browse/HDFS-4638    Author: Todd Lipcon, 2015-03-22, 22:40
[HDFS-2771] Move Federation and WebHDFS documentation into HDFS project - HDFS - [issue]
...For some strange reason, the WebHDFS and Federation documentation is currently in the hadoop-yarn site. This is counter-intuitive. We should move these documents to an hdfs site, or if we th...
http://issues.apache.org/jira/browse/HDFS-2771    Author: Todd Lipcon, 2015-03-16, 20:06
[HDFS-3280] DFSOutputStream.sync should not be synchronized - HDFS - [issue]
...HDFS-895 added an optimization to make hflush() much faster by unsynchronizing it. But, we forgot to un-synchronize the deprecated sync() wrapper method. This makes the HBase WAL really slow...
http://issues.apache.org/jira/browse/HDFS-3280    Author: Todd Lipcon, 2015-03-16, 19:57
[HDFS-1029] Image corrupt with number of files = 1 - HDFS - [issue]
...Last week I recovered a corrupt namenode image that was completely sane except that the "number of files" in the header was set to 1, rather than the correct number (many million). The NN in...
http://issues.apache.org/jira/browse/HDFS-1029    Author: Todd Lipcon, 2015-03-12, 02:00
[HDFS-2115] Transparent compression in HDFS - HDFS - [issue]
...In practice, we find that a lot of users store text data in HDFS without using any compression codec. Improving usability of compressible formats like Avro/RCFile helps with this, but we cou...
http://issues.apache.org/jira/browse/HDFS-2115    Author: Todd Lipcon, 2015-03-10, 18:11
[HDFS-2956] calling fetchdt without a --renewer argument throws NPE - HDFS - [issue]
...If I call "bin/hdfs fetchdt /tmp/mytoken" without a "--renewer foo" argument, then it will throw a NullPointerException:Exception in thread "main" java.lang.NullPointerException   ...
http://issues.apache.org/jira/browse/HDFS-2956    Author: Todd Lipcon, 2015-03-10, 08:54
[HDFS-1787] "Not enough xcievers" error should propagate to client - HDFS - [issue]
...We find that users often run into the default transceiver limits in the DN. Putting aside the inherent issues with xceiver threads, it would be nice if the "xceiver limit exceeded" error pro...
http://issues.apache.org/jira/browse/HDFS-1787    Author: Todd Lipcon, 2015-03-10, 06:55
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB