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[PIG-3226] Groovy UDF support may fail to load script under some circumstances - Pig - [issue]
...When running in M/R mode, scripts may fail to load, this is due to the GroovyScriptEngine looking for the script under the attempt's current working dir which does not contain the script.The...
http://issues.apache.org/jira/browse/PIG-3226    Author: Mathias Herberts, 2015-01-15, 19:22
Re: Security in 0.8.2 beta - Kafka - [mail # user]
...Simply encrypt your messages with a PSK between producers and consumers.On Nov 12, 2014 4:38 AM, "Kashyap Mhaisekar"  wrote: ...
   Author: Mathias Herberts, 2014-11-12, 07:42
Re: powered by kafka - Kafka - [mail # user]
...Hi there,my company Cityzen Data uses Kafka as well, we provide a paltform forcollecting, storing and analyzing machine data.http://www.cityzendata.com/@CityzenDataMathias.On Mon, Nov 10, 20...
   Author: Mathias Herberts, 2014-11-10, 11:05
[HADOOP-10978] HADOOP_IDENT_STRING is overriden in hadoop-env.sh - Hadoop - [issue]
...hadoop-env.sh forces HADOOP_IDENT_STRING to $USER possibly overriding a previously set value.Instead hadoop-env.sh should set HADOOP_IDENT_STRING to:export HADOOP_IDENT_STRING=${HADOOP_IDENT...
http://issues.apache.org/jira/browse/HADOOP-10978    Author: Mathias Herberts, 2014-08-26, 03:07
[HDFS-6857] Configuration key fs.homeDir is not taken into consideration when returning a user's home directory - HDFS - [issue]
...The fs.homeDir key is defined in org.apache.hadoop.fs.CommonConfigurationKeys as constant FS_HOME_DIR_KEY but the method org.apache.hadoop.fs.FileSystem#getHomeDirectory does not use it....
http://issues.apache.org/jira/browse/HDFS-6857    Author: Mathias Herberts, 2014-08-17, 03:17
[HBASE-3413] DNS Configs may completely break HBase cluster - HBase - [issue]
...I recently experienced a cluster malfunction which was caused by a change in DNS config for services co-hosted on the machines running region servers.The RS are specified using IP addresses ...
http://issues.apache.org/jira/browse/HBASE-3413    Author: Mathias Herberts, 2014-08-12, 20:19
[HBASE-11365] NavigableMap returned by a 'reversed' scanner has qualifiers ordered in the natural order and not the reversed one - HBase - [issue]
...Maybe this is a misconception on my side, but I assumed that the 'cells' returned by a reverse scanner (HBASE-4811) would be in reverse order, not just the rows.Was I wrong in my assumption?...
http://issues.apache.org/jira/browse/HBASE-11365    Author: Mathias Herberts, 2014-06-19, 07:29
[MAPREDUCE-3310] Custom grouping comparator cannot be set for Combiners - MapReduce - [issue]
...Combiners are often described as 'Reducers running on the Map side'.As Reducers, Combiners are fed <K,{V}>, where {V} is built by grouping values associated with the 'same' key.Fo...
http://issues.apache.org/jira/browse/MAPREDUCE-3310    Author: Mathias Herberts, 2014-02-24, 20:58
[HBASE-9717] Allow filterRowKey to return a next key hint - HBase - [issue]
...The Filter interface has a filterRowKey method which returns a boolean set to true if the given row key should be filtered out.When a row key is filtered, it could be interesting to be able ...
http://issues.apache.org/jira/browse/HBASE-9717    Author: Mathias Herberts, 2013-10-11, 04:54
[expand - 1 more] - Producer thread safety - Kafka - [mail # user]
...Hi,I'm testing Kafka 0.8 and I encounter an error when accessing a Producerfrom mutliple threads.I've always thought Producer was thread safe but it seems this is no longerthe case. This is ...
   Author: Mathias Herberts, 2013-09-19, 09:35
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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