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[HADOOP-9318] when exiting on a signal, print the signal name first - Hadoop - [issue]
...On UNIX, it would be nice to know when a Hadoop daemon had exited on a signal.  For example, if a daemon exited because the system administrator sent SIGTERM (i.e. killall java), it wou...
http://issues.apache.org/jira/browse/HADOOP-9318    Author: Colin Patrick McCabe, 2014-06-29, 03:21
[HADOOP-10667] implement TCP connection reuse for native client - Hadoop - [issue]
...The HDFS / YARN native clients should re-use TCP connections to avoid the overhead of the three-way handshake, similar to how the Java code does....
http://issues.apache.org/jira/browse/HADOOP-10667    Author: Colin Patrick McCabe, 2014-06-26, 19:05
[HADOOP-10640] Implement Namenode RPCs in HDFS native client - Hadoop - [issue]
...Implement the parts of libhdfs that just involve making RPCs to the Namenode, such as mkdir, rename, etc....
http://issues.apache.org/jira/browse/HADOOP-10640    Author: Colin Patrick McCabe, 2014-06-16, 10:15
[HADOOP-10443] limit symbol visibility in libhdfs-core.so and libyarn-core.so - Hadoop - [issue]
...We should avoid exposing all the symbols of libhdfs-core.so and libyarn-core.so.  Otherwise, we they conflict with symbols used in the applications using the libraries.  This can b...
http://issues.apache.org/jira/browse/HADOOP-10443    Author: Colin Patrick McCabe, 2014-06-12, 21:00
[HADOOP-10446] native code for reading Hadoop configuration XML files - Hadoop - [issue]
...We need to have a way to read Hadoop configuration XML files in the native HDFS and YARN clients.  This will allow those clients to discover the locations of NameNodes, YARN daemons, an...
http://issues.apache.org/jira/browse/HADOOP-10446    Author: Colin Patrick McCabe, 2014-06-12, 20:59
[HADOOP-10447] Implement C code for parsing Hadoop / HDFS URIs - Hadoop - [issue]
...We need some glue code for parsing Hadoop or HDFS URIs in C.  Probably we should just put a small 'Path' wrapper around a URI parsing library like http://uriparser.sourceforge.net/ (BSD...
http://issues.apache.org/jira/browse/HADOOP-10447    Author: Colin Patrick McCabe, 2014-06-12, 20:57
[HADOOP-10444] add pom.xml infrastructure for hadoop-native-core - Hadoop - [issue]
...Add pom.xml infrastructure for hadoop-native-core, so that it builds under Maven.  We can look to how we integrated CMake into hadoop-hdfs-project and hadoop-common-project for inspirat...
http://issues.apache.org/jira/browse/HADOOP-10444    Author: Colin Patrick McCabe, 2014-05-31, 00:40
[HADOOP-10587] Use a thread-local cache in TokenIdentifier#getBytes to avoid creating many DataOutputBuffer objects - Hadoop - [issue]
...We can use a thread-local cache in TokenIdentifier#getBytes to avoid creating many DataOutputBuffer objects.  This will reduce our memory usage (for example, when loading edit logs), an...
http://issues.apache.org/jira/browse/HADOOP-10587    Author: Colin Patrick McCabe, 2014-05-22, 19:48
[HADOOP-10401] ShellBasedUnixGroupsMapping#getGroups does not always return primary group first - Hadoop - [issue]
...ShellBasedUnixGroupsMapping#getGroups does not always return the primary group first.  It should do this so that clients who expect it don't get the wrong result.  We should also d...
http://issues.apache.org/jira/browse/HADOOP-10401    Author: Colin Patrick McCabe, 2014-05-20, 16:37
[HADOOP-10564] Add username to native RPCv9 client - Hadoop - [issue]
...Add the ability for the native RPCv9 client to set a username when initiating a connection....
http://issues.apache.org/jira/browse/HADOOP-10564    Author: Colin Patrick McCabe, 2014-05-15, 21:29
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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