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[SPARK-2587] Error message is incorrect in make-distribution.sh - Spark - [issue]
...SPARK-2526 removed some options in favor of using Maven profiles, but it now gives incorrect guidance for those that try to use the old -with-hive flag: "-with-hive' is no longer supported, ...
http://issues.apache.org/jira/browse/SPARK-2587    Author: Mark Wagner, 2014-07-20, 04:25
[PIG-3568] Define the semantics of POStatus.STATUS_NULL - Pig - [issue]
...The meaning of POStatus.STATUS_NULL is not well documented and there are conflicting view points on its interpretation. The two interpretations are:1. POStatus.STATUS_NULL indicates that the...
http://issues.apache.org/jira/browse/PIG-3568    Author: Mark Wagner, 2014-07-07, 19:08
Re: [ANNOUNCE] Welcome new Pig Committer - Lorand Bendig - Pig - [mail # dev]
...Congrats and welcome, Lorand!On Sun, Jun 22, 2014 at 6:39 PM, Koji Noguchi wrote: ...
   Author: Mark Wagner, 2014-06-23, 21:41
[TEZ-793] Staging directories accumulate and pollute the home directory - Tez - [issue]
...Right now, most of the examples use Path stagingDir = new Path(fs.getWorkingDirectory(), UUID.randomUUID().toString());to get the staging directory. This results in home directories filled w...
http://issues.apache.org/jira/browse/TEZ-793    Author: Mark Wagner, 2014-06-21, 00:42
[HIVE-4734] Use custom ObjectInspectors for AvroSerde - Hive - [issue]
...Currently, the AvroSerde recursively copies all fields of a record from the GenericRecord to a List row object and provides the standard ObjectInspectors. Performance can be improved by prov...
http://issues.apache.org/jira/browse/HIVE-4734    Author: Mark Wagner, 2014-06-11, 02:30
[HDFS-4551] Change WebHDFS buffersize behavior to improve default performance - HDFS - [issue]
...Currently on 1.X branch, the buffer size used to copy bytes to network defaults to io.file.buffer.size. This causes performance problems if that buffersize is large....
http://issues.apache.org/jira/browse/HDFS-4551    Author: Mark Wagner, 2014-05-29, 20:39
[HDFS-4549] WebHDFS hits a Jetty performance issue - HDFS - [issue]
...WebHDFS on branch-1 is hitting a Jetty issue for me when it does chunked transfers. This is the same Jetty issue as MAPREDUCE-4399. I have not observed this on trunk....
http://issues.apache.org/jira/browse/HDFS-4549    Author: Mark Wagner, 2014-05-29, 20:39
[PIG-3325] Adding a tuple to a bag is slow - Pig - [issue]
...The time it takes to add a tuple to a bag has increased significantly, causing some jobs to take about 50x longer compared to 0.10.1. I've tracked this down to PIG-2923, which has made addin...
http://issues.apache.org/jira/browse/PIG-3325    Author: Mark Wagner, 2014-04-15, 21:45
[PIG-3591] Refactor POPackage to separate MR specific code from packaging - Pig - [issue]
...POPackage is currently closely associated with the MR shuffle semantics. This makes it difficult to adapt the variety of subclasses of POPackage to other execution engines without duplicatin...
http://issues.apache.org/jira/browse/PIG-3591    Author: Mark Wagner, 2014-04-06, 11:59
[HIVE-3953] Reading of partitioned Avro data fails because of missing properties - Hive - [issue]
...After HIVE-3833, reading partitioned Avro data fails due to missing properties. The "avro.schema.(url|literal)" properties are not making it all the way to the SerDe. Non-partitioned data ca...
http://issues.apache.org/jira/browse/HIVE-3953    Author: Mark Wagner, 2014-04-03, 18:15
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