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[HADOOP-11127] Improve versioning and compatibility support in native library for downstream hadoop-common users. - Hadoop - [issue]
...There is no compatibility policy enforced on the JNI function signatures implemented in the native library.  This library typically is deployed to all nodes in a cluster, built from a s...
http://issues.apache.org/jira/browse/HADOOP-11127    Author: Chris Nauroth , 2019-02-19, 10:37
[HDFS-9572] Prevent DataNode log spam if a client connects on the data transfer port but sends no data. - HDFS - [issue]
...Monitoring tools may choose to check liveness of the DataNode's data transfer port by connecting to it.  The monitoring tool will close the connection immediately after establishment wi...
http://issues.apache.org/jira/browse/HDFS-9572    Author: Chris Nauroth , 2018-12-18, 02:25
[HDFS-11063] Set NameNode RPC server handler thread name with more descriptive information about the RPC call. - HDFS - [issue]
...We often run jstack on a NameNode process as a troubleshooting step if it is suffering high load or appears to be hanging.  By reading the stack trace, we can identify if a caller is bl...
http://issues.apache.org/jira/browse/HDFS-11063    Author: Chris Nauroth , 2018-11-23, 11:58
[HADOOP-13581] Expand FileSystem specification to describe differences between FileSystem and FileContext. - Hadoop - [issue]
...Sometimes there are behavioral differences between using the FileSystem API and using the FileContext API.  This issue proposes to enhance the specification to describe these difference...
http://issues.apache.org/jira/browse/HADOOP-13581    Author: Chris Nauroth , 2018-11-23, 11:56
[HADOOP-13726] Enforce that FileSystem initializes only a single instance of the requested FileSystem. - Hadoop - [issue]
...The FileSystem cache is intended to guarantee reuse of instances by multiple call sites or multiple threads.  The current implementation does provide this guarantee, but there is a brie...
http://issues.apache.org/jira/browse/HADOOP-13726    Author: Chris Nauroth , 2018-11-23, 11:56
[HADOOP-13454] S3Guard: Provide custom FileSystem Statistics. - Hadoop - [issue]
...Provide custom FileSystem Statistics with information about the internal operational details of S3Guard....
http://issues.apache.org/jira/browse/HADOOP-13454    Author: Chris Nauroth , 2018-11-23, 11:56
[HADOOP-13625] Document FileSystem actions that trigger update of modification time. - Hadoop - [issue]
...Hadoop users and developers of Hadoop-compatible file systems have sometimes asked questions about which file system actions trigger an update of the path's modification time.  This iss...
http://issues.apache.org/jira/browse/HADOOP-13625    Author: Chris Nauroth , 2018-11-23, 11:56
[HADOOP-13733] Support WASB connections through an HTTP proxy server. - Hadoop - [issue]
...WASB currently does not support use of an HTTP proxy server to connect to the Azure Storage back-end.  The Azure Storage SDK does support use of a proxy, so we can enhance WASB to read ...
http://issues.apache.org/jira/browse/HADOOP-13733    Author: Chris Nauroth , 2018-11-23, 11:55
[HADOOP-13607] Specify and test contract for FileSystem#close. - Hadoop - [issue]
...This issue proposes to enhance the FileSystem specification by describing the expected semantics of FileSystem#close and adding corresponding contract tests.  Notable aspects are that t...
http://issues.apache.org/jira/browse/HADOOP-13607    Author: Chris Nauroth , 2018-11-23, 11:55
[HADOOP-14544] DistCp documentation for command line options is misaligned. - Hadoop - [issue]
...In the DistCp documentation, the Command Line Options section appears to be misaligned/incorrect in some of the Notes for release 2.7.3.  This is the current stable version, so it's lik...
http://issues.apache.org/jira/browse/HADOOP-14544    Author: Chris Nauroth , 2018-09-25, 11:24